Teaspeak-Server/server/src/client/command_handler/channel.cpp

#include <memory>

#include <bitset>
#include <algorithm>
#include "../../build.h"
#include "../ConnectedClient.h"
#include "../InternalClient.h"
#include "../../server/file/FileServer.h"
#include "../../server/VoiceServer.h"
#include "../voice/VoiceClient.h"
#include "PermissionManager.h"
#include "../../InstanceHandler.h"
#include "../../server/QueryServer.h"
#include "../file/FileClient.h"
#include "../music/MusicClient.h"
#include "../query/QueryClient.h"
#include "../../weblist/WebListManager.h"
#include "../../manager/ConversationManager.h"
#include "../../manager/PermissionNameMapper.h"
#include <cstdint>

#include "helpers.h"

#include <Properties.h>
#include <log/LogUtils.h>
#include <misc/sassert.h>
#include <misc/base64.h>
#include <misc/digest.h>
#include <bbcode/bbcodes.h>

using namespace std::chrono;
using namespace std;
using namespace ts;
using namespace ts::server;
using namespace ts::token;

//{findError("parameter_invalid"), "could not resolve permission " + (cmd[index].has("permid") ? cmd[index]["permid"].as<string>() : cmd[index]["permsid"].as<string>())};                                        \
//TODO: Log missing permissions?

command_result ConnectedClient::handleCommandChannelGetDescription(Command &cmd) {
    CMD_CHK_AND_INC_FLOOD_POINTS(0);
    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<BasicChannel>(l_channel->entry);
    assert(channel);

    if(!permission::v2::permission_granted(1, this->calculate_permission(permission::b_channel_ignore_description_view_power, channel->channelId()))) {
        auto view_power = this->calculate_permission(permission::i_channel_description_view_power, channel->channelId());
        if(!channel->permission_granted(permission::i_channel_needed_description_view_power, view_power, false))
            return command_result{permission::i_channel_description_view_power};
    }

    this->sendChannelDescription(channel, true);
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelSubscribe(Command &cmd) {
    CMD_REF_SERVER(ref_server);
    CMD_RESET_IDLE;

    bool flood_points = false;
    deque<shared_ptr<BasicChannel>> channels;

    {
        shared_lock server_channel_lock(this->server->channel_tree_lock);
        unique_lock client_channel_lock(this->channel_lock);

        for (int index = 0; index < cmd.bulkCount(); index++) {
            auto local_channel = this->channel_view()->find_channel(cmd[index]["cid"].as<ChannelId>());
            if(!local_channel)
                return command_result{error::channel_invalid_id, "Cant resolve channel"};

            auto channel = this->server->channelTree->findChannel(cmd[index]["cid"].as<ChannelId>());
            if (!channel)
                return command_result{error::channel_invalid_id, "Cant resolve channel"};

            channels.push_back(channel);
            if(!flood_points && system_clock::now() - local_channel->view_timestamp > seconds(5)) {
                flood_points = true;
                CMD_CHK_AND_INC_FLOOD_POINTS(15);
            }
        }

        if(!channels.empty())
            this->subscribeChannel(channels, false, false);
    }

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelSubscribeAll(Command &cmd) {
    CMD_REQ_SERVER;
    CMD_CHK_AND_INC_FLOOD_POINTS(20);

    {
        shared_lock server_channel_lock(this->server->channel_tree_lock);
        unique_lock client_channel_lock(this->channel_lock);
        this->subscribeChannel(this->server->channelTree->channels(), false, false);
        this->subscribeToAll = true;
    }
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelUnsubscribe(Command &cmd) {
    CMD_REQ_SERVER;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    {
        shared_lock server_channel_lock(this->server->channel_tree_lock);
        unique_lock client_channel_lock(this->channel_lock);

        deque<shared_ptr<BasicChannel>> channels;
        for(int index = 0; index < cmd.bulkCount(); index++) {
            auto channel = this->server->channelTree->findChannel(cmd["cid"].as<ChannelId>());
            if(!channel) continue;
            channels.push_front(channel);
        }

        this->unsubscribeChannel(channels, false);
    }
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelUnsubscribeAll(Command &cmd) {
    CMD_REQ_SERVER;
    CMD_CHK_AND_INC_FLOOD_POINTS(25);

    {
        shared_lock server_channel_lock(this->server->channel_tree_lock);
        unique_lock client_channel_lock(this->channel_lock);
        this->unsubscribeChannel(this->server->channelTree->channels(), false);
        this->subscribeToAll = false;
    }
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupAdd(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_virtualserver_channelgroup_create, 1);

    auto group_manager = this->server ? this->server->getGroupManager() : serverInstance->getGroupManager().get();
    if(cmd["type"].as<GroupType>() == GroupType::GROUP_TYPE_NORMAL && !this->server) return command_result{error::parameter_invalid, "You cant create normal channel groups on the template server"};
    if(cmd["name"].string().empty()) return command_result{error::parameter_invalid, "invalid group name"};
    for(const auto& gr : group_manager->availableServerGroups(true))
        if(gr->name() == cmd["name"].string() && gr->target() == GroupTarget::GROUPTARGET_CHANNEL) return command_result{error::parameter_invalid, "Group already exists"};
    auto group = group_manager->createGroup(GroupTarget::GROUPTARGET_CHANNEL, cmd["type"].as<GroupType>(), cmd["name"].string());
    if (group) {
        group->permissions()->set_permission(permission::b_group_is_permanent, {1, 0}, permission::v2::set_value, permission::v2::do_nothing);
        if(this->server)
            this->server->forEachClient([](shared_ptr<ConnectedClient> cl) {
                cl->notifyChannelGroupList();
            });
    } else return command_result{error::group_invalid_id};
    return command_result{error::ok};
}

//name=Channel\sAdmin scgid=5 tcgid=4 type=1
command_result ConnectedClient::handleCommandChannelGroupCopy(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_virtualserver_channelgroup_create, 1);

    auto ref_server = this->server;

    auto group_manager = this->server ? this->server->groups : serverInstance->getGroupManager().get();

    auto source_group_id = cmd["scgid"].as<GroupId>();
    auto source_group = group_manager->findGroup(source_group_id);

    if(!source_group || source_group->target() != GROUPTARGET_CHANNEL)
        return command_result{error::group_invalid_id, "invalid source group"};

    const auto group_type_modificable = [&](GroupType type) {
        switch(type) {
            case GroupType::GROUP_TYPE_TEMPLATE:
                if(!permission::v2::permission_granted(1, this->calculate_permission(permission::b_serverinstance_modify_templates, 0)))
                    return permission::b_serverinstance_modify_templates;
                break;
            case GroupType::GROUP_TYPE_QUERY:
                if(!permission::v2::permission_granted(1, this->calculate_permission(permission::b_serverinstance_modify_querygroup, 0)))
                    return permission::b_serverinstance_modify_querygroup;
                break;

            default:
                break;
        }
        return permission::undefined;
    };

    {
        auto result = group_type_modificable(source_group->type());
        if(result != permission::undefined)
            return command_result{result};
    }

    auto global_update = false;
    if(cmd[0].has("tcgid") && cmd["tcgid"].as<GroupId>() != 0) {
        //Copy an existing group
        auto target_group = group_manager->findGroup(cmd["tcgid"]);
        if(!target_group || target_group->target() != GROUPTARGET_CHANNEL)
            return command_result{error::group_invalid_id, "invalid target group"};

        {
            auto result = group_type_modificable(target_group->type());
            if(result != permission::undefined)
                return command_result{result};
        }

        if(!target_group->permission_granted(permission::i_channel_group_needed_modify_power, this->calculate_permission(permission::i_channel_group_modify_power, 0), true))
            return command_result{permission::i_channel_group_modify_power};

        if(!group_manager->copyGroupPermissions(source_group, target_group))
            return command_result{error::vs_critical, "failed to copy group permissions"};

        global_update = !this->server || !group_manager->isLocalGroup(target_group);
    } else {
        //Copy a new group
        auto target_type = cmd["type"].as<GroupType>();

        {
            auto result = group_type_modificable(target_type);
            if(result != permission::undefined)
                return command_result{result};
        }

        if(!ref_server && target_type == GroupType::GROUP_TYPE_NORMAL)
            return command_result{error::parameter_invalid, "You cant create normal groups on the template server!"};

        if(!group_manager->findGroup(GroupTarget::GROUPTARGET_CHANNEL, cmd["name"].string()).empty())
            return command_result{error::group_name_inuse, "You cant create normal groups on the template server!"};

        auto target_group_id = group_manager->copyGroup(source_group, target_type, cmd["name"], target_type != GroupType::GROUP_TYPE_NORMAL ? 0 : this->getServerId());
        if(target_group_id == 0)
            return command_result{error::vs_critical, "failed to copy group"};

        if(this->getType() == ClientType::CLIENT_QUERY) {
            Command notify("");
            notify["cgid"] = target_group_id;
            this->sendCommand(notify);
        }

        global_update = !this->server || !group_manager->isLocalGroup(group_manager->findGroup(target_group_id));
    }

    for(const auto& server : (global_update ? serverInstance->getVoiceServerManager()->serverInstances() : deque<shared_ptr<VirtualServer>>{this->server}))
        if(server)
            server->forEachClient([](shared_ptr<ConnectedClient> cl) {
                cl->notifyChannelGroupList();
            });
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupRename(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    auto group_manager = this->server ? this->server->getGroupManager() : serverInstance->getGroupManager().get();
    auto channel_group = group_manager->findGroup(cmd["cgid"].as<GroupId>());
    if (!channel_group || channel_group->target() != GROUPTARGET_CHANNEL) return command_result{error::parameter_invalid, "invalid channel group id"};
    ACTION_REQUIRES_GROUP_PERMISSION(channel_group, permission::i_channel_group_needed_modify_power, permission::i_channel_group_modify_power, true);

    group_manager->renameGroup(channel_group, cmd["name"].string());
    if(this->server)
        this->server->forEachClient([](shared_ptr<ConnectedClient> cl) {
            cl->notifyChannelGroupList();
        });

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupDel(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_virtualserver_channelgroup_delete, 1);

    auto group_manager = this->server ? this->server->getGroupManager() : serverInstance->getGroupManager().get();
    auto channel_group = group_manager->findGroup(cmd["cgid"].as<GroupId>());
    if (!channel_group || channel_group->target() != GROUPTARGET_CHANNEL) return command_result{error::parameter_invalid, "invalid channel group id"};

    if(this->server) {
        if(this->server->properties()[property::VIRTUALSERVER_DEFAULT_CHANNEL_GROUP] == channel_group->groupId())
            return command_result{error::parameter_invalid, "Could not delete default channel group!"};
        if(this->server->properties()[property::VIRTUALSERVER_DEFAULT_CHANNEL_ADMIN_GROUP] == channel_group->groupId())
            return command_result{error::parameter_invalid, "Could not delete default channel admin group!"};
    }
    if(serverInstance->properties()[property::SERVERINSTANCE_TEMPLATE_CHANNELDEFAULT_GROUP] == channel_group->groupId())
        return command_result{error::parameter_invalid, "Could not delete instance default channel group!"};
    if(serverInstance->properties()[property::SERVERINSTANCE_TEMPLATE_CHANNELADMIN_GROUP] == channel_group->groupId())
        return command_result{error::parameter_invalid, "Could not delete instance default channel admin group!"};

    if (!cmd["force"].as<bool>())
        if (!group_manager->listGroupMembers(channel_group, false).empty())
            return command_result{error::database_empty_result, "group not empty!"};

    if (group_manager->deleteGroup(channel_group) && this->server) {
        this->server->forEachClient([&](shared_ptr<ConnectedClient> cl) {
            if(this->server->notifyClientPropertyUpdates(cl, this->server->groups->update_server_group_property(cl, true, cl->getChannel()))) {
                if(cl->update_cached_permissions()) /* update cached calculated permissions */
                    cl->sendNeededPermissions(false); /* cached permissions had changed, notify the client */
            }
            cl->notifyChannelGroupList();
        });
    }

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupList(Command &) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_virtualserver_channelgroup_list, 1);

    this->notifyChannelGroupList();
    this->command_times.servergrouplist = system_clock::now();
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupClientList(Command &cmd) {
    CMD_REQ_SERVER;
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    auto target_channel_id = cmd[0].has("cid") ? cmd["cid"].as<ChannelId>() : 0;
    if(target_channel_id > 0) {
        ACTION_REQUIRES_PERMISSION(permission::b_virtualserver_channelgroup_client_list, 1, target_channel_id);
    } else {
        ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_virtualserver_channelgroup_client_list, 1);
    }
    Command result(this->getExternalType() == ClientType::CLIENT_TEAMSPEAK ? "notifychannelgroupclientlist" : "");

    deque<variable> variables{variable{":sid", this->getServerId()}};
    string query = "SELECT `groupId`, `cldbid`, `until`, `channelId` FROM `assignedGroups` WHERE `serverId` = :sid";

    if(cmd[0].has("cgid") && cmd["cgid"].as<GroupId>() > 0) {
        auto group = this->server->getGroupManager()->findGroup(cmd["cgid"]);
        if(!group || group->target() != GroupTarget::GROUPTARGET_CHANNEL)
            return command_result{error::parameter_invalid, "invalid channel group id"};
        query += " AND `groupId` = :groupId";
        variables.push_back({":groupId", cmd["cgid"].as<GroupId>()});
    } else {
        query += " AND `groupId` IN (SELECT `groupId` FROM `groups` WHERE `serverId` = :sid AND `target` = :target)";
        variables.push_back({":target", GroupTarget::GROUPTARGET_CHANNEL});
    }
    if(cmd[0].has("cldbid") && cmd["cldbid"].as<ClientDbId>() > 0) {
        query += " AND `cldbid` = :cldbid";
        variables.push_back({":cldbid", cmd["cldbid"].as<ClientDbId>()});
    }
    if(cmd[0].has("cid") && cmd["cid"].as<ChannelId>() > 0) {
        auto channel = this->server->getChannelTree()->findChannel(cmd["cid"]);
        if(!channel)
            return command_result{error::parameter_invalid, "invalid channel id"};
        query += " AND `channelId` = :cid";
        variables.push_back({":cid", cmd["cid"].as<ChannelId>()});
    }
    debugMessage(this->getServerId(), "Command channelgroupclientlist sql: {}", query);

    auto command = sql::command(this->sql, query);
    for(const auto& variable : variables)
        command.value(variable);

    int index = 0;
    command.query([&](Command& command, int& index, int length, string* values, string* names) {
        GroupId group_id = 0;
        ChannelId channel_id = 0;
        ClientDbId cldbid = 0;
        for(int i = 0; i < length; i++) {
            try {
                if(names[i] == "groupId")
                    group_id = stoll(values[i]);
                else if(names[i] == "cldbid")
                    cldbid = stoll(values[i]);
                else if(names[i] == "channelId")
                    channel_id = stoll(values[i]);
            } catch(std::exception& ex) {
                logError(this->getServerId(), "Failed to parse db field {}", names[i]);
            }
        }
        result[index]["cid"] = channel_id;
        result[index]["cgid"] = group_id;
        result[index]["cldbid"] = cldbid;
        index++;
    }, result, index);
    if (index == 0) return command_result{error::database_empty_result};
    this->sendCommand(result);
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupPermList(Command &cmd) {
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_virtualserver_channelgroup_permission_list, 1);

    auto channelGroup = (this->server ? this->server->groups : serverInstance->getGroupManager().get())->findGroup(cmd["cgid"].as<GroupId>());
    if (!channelGroup || channelGroup->target() != GROUPTARGET_CHANNEL) return command_result{error::parameter_invalid, "invalid channel group id"};
    if (!this->notifyGroupPermList(channelGroup, cmd.hasParm("permsid"))) return command_result{error::database_empty_result};

    if(this->getType() == ClientType::CLIENT_TEAMSPEAK && this->command_times.last_notify + this->command_times.notify_timeout < system_clock::now()) {
        this->sendTSPermEditorWarning();
    }

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupAddPerm(Command &cmd) {
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    auto group_manager = this->server ? this->server->getGroupManager() : serverInstance->getGroupManager().get();
    auto channelGroup = group_manager->findGroup(cmd["cgid"].as<GroupId>());
    if (!channelGroup || channelGroup->target() != GROUPTARGET_CHANNEL) return command_result{error::parameter_invalid, "invalid channel group id"};
    ACTION_REQUIRES_GROUP_PERMISSION(channelGroup, permission::i_channel_group_needed_modify_power, permission::i_channel_group_modify_power, true);

    auto max_value = this->calculate_permission(permission::i_permission_modify_power, 0, true);
    if(!max_value.has_value) return command_result{permission::i_permission_modify_power};

    auto ignore_granted_values = permission::v2::permission_granted(1, this->calculate_permission(permission::b_permission_modify_power_ignore, 0));

    auto conOnError = cmd[0].has("continueonerror");
    bool updateList = false;

    auto permission_manager = channelGroup->permissions();
    for (int index = 0; index < cmd.bulkCount(); index++) {
        PARSE_PERMISSION(cmd);

        auto val = cmd[index]["permvalue"].as<permission::PermissionValue>();
        if(permission_require_granted_value(permType) && !permission::v2::permission_granted(val, max_value)) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if(!ignore_granted_values && !permission::v2::permission_granted(1, this->calculate_permission(permType, 0, true))) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if (grant) {
            permission_manager->set_permission(permType, {0, cmd[index]["permvalue"]}, permission::v2::PermissionUpdateType::do_nothing, permission::v2::PermissionUpdateType::set_value);
        } else {
            permission_manager->set_permission(
                    permType,
                    {cmd[index]["permvalue"], 0},
                    permission::v2::PermissionUpdateType::set_value,
                    permission::v2::PermissionUpdateType::do_nothing,

                    cmd[index]["permskip"].as<bool>() ? 1 : 0,
                    cmd[index]["permnegated"].as<bool>() ? 1 : 0
            );
            updateList |= permission_is_group_property(permType);
        }
    }


    if(updateList)
        channelGroup->apply_properties_from_permissions();

    if(this->server) {
        if(updateList)
            this->server->forEachClient([](shared_ptr<ConnectedClient> cl) {
                cl->notifyChannelGroupList();
            });
        this->server->forEachClient([channelGroup](shared_ptr<ConnectedClient> cl) {
            unique_lock client_channel_lock(cl->channel_lock); /* while we're updating groups we dont want to change anything! */
            if (cl->channelGroupAssigned(channelGroup, cl->getChannel())) {
                if(cl->update_cached_permissions())
                    cl->sendNeededPermissions(false); /* update the needed permissions */
                cl->updateChannelClientProperties(false, true);
                cl->join_state_id++; /* join permission may changed, all channels need to be recalculate dif needed */
            }
        });
    }
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelGroupDelPerm(Command &cmd) {
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    auto group_manager = this->server ? this->server->getGroupManager() : serverInstance->getGroupManager().get();
    auto channelGroup = group_manager->findGroup(cmd["cgid"].as<GroupId>());
    if (!channelGroup || channelGroup->target() != GROUPTARGET_CHANNEL) return command_result{error::parameter_invalid, "invalid channel group id"};
    ACTION_REQUIRES_GROUP_PERMISSION(channelGroup, permission::i_channel_group_needed_modify_power, permission::i_channel_group_modify_power, true);

    auto ignore_granted_values = permission::v2::permission_granted(1, this->calculate_permission(permission::b_permission_modify_power_ignore, 0));

    bool updateList = false;
    bool conOnError = cmd[0].has("continueonerror");

    auto permission_manager = channelGroup->permissions();
    for (int index = 0; index < cmd.bulkCount(); index++) {
        PARSE_PERMISSION(cmd)

        if(!ignore_granted_values && !permission::v2::permission_granted(0, this->calculate_permission(permType, 0, true))) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if (grant) {
            permission_manager->set_permission(permType, permission::v2::empty_permission_values, permission::v2::PermissionUpdateType::do_nothing, permission::v2::PermissionUpdateType::delete_value);
        } else {
            permission_manager->set_permission(
                    permType,
                    permission::v2::empty_permission_values,
                    permission::v2::PermissionUpdateType::delete_value,
                    permission::v2::PermissionUpdateType::do_nothing
            );
            updateList |= permission_is_group_property(permType);
        }
    }

    if(updateList)
        channelGroup->apply_properties_from_permissions();

    if(this->server) {
        if(updateList)
            this->server->forEachClient([](shared_ptr<ConnectedClient> cl) {
                cl->notifyChannelGroupList();
            });
        this->server->forEachClient([channelGroup](shared_ptr<ConnectedClient> cl) {
            unique_lock client_channel_lock(cl->channel_lock); /* while we're updating groups we dont want to change anything! */
            if (cl->channelGroupAssigned(channelGroup, cl->getChannel())) {
                if(cl->update_cached_permissions()) /* update cached calculated permissions */
                    cl->sendNeededPermissions(false); /* cached permissions had changed, notify the client */
                cl->updateChannelClientProperties(false, false);
                cl->join_state_id++; /* join permission may changed, all channels need to be recalculate dif needed */
            }
        });
    }
    return command_result{error::ok};
}

//TODO: Test if parent or previous is deleted!
command_result ConnectedClient::handleCommandChannelCreate(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(25);
    CMD_CHK_PARM_COUNT(1);

    //TODO: Use for this here the cache as well!
    auto permission_cache = make_shared<CalculateCache>();
    if (cmd[0].has("cpid") && cmd["cpid"].as<uint64_t>() != 0) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_child, 1, permission_cache);
    if (cmd[0].has("channel_order")) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_sortorder, 1, permission_cache);

    if(!cmd[0].has("channel_flag_permanent")) cmd[0]["channel_flag_permanent"] = false;
    if(!cmd[0].has("channel_flag_semi_permanent")) cmd[0]["channel_flag_semi_permanent"] = false;
    if(!cmd[0].has("channel_flag_default")) cmd[0]["channel_flag_default"] = false;
    if(!cmd[0].has("channel_flag_password")) cmd[0]["channel_flag_password"] = false;

    if (cmd[0]["channel_flag_permanent"].as<bool>()) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_permanent, 1, permission_cache);
    else if (cmd[0]["channel_flag_semi_permanent"].as<bool>()) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_semi_permanent, 1, permission_cache);
    else ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_temporary, 1, permission_cache);

    if (!cmd[0]["channel_flag_permanent"].as<bool>() && !this->server) return command_result{error::parameter_invalid, "You can only create a permanent channel"};

    if (cmd[0]["channel_flag_default"].as<bool>()) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_default, 1, permission_cache);
    if (cmd[0]["channel_flag_password"].as<bool>()) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_password, 1, permission_cache);
    else if(permission::v2::permission_granted(1, this->calculate_permission(permission::b_channel_create_modify_with_force_password, 0, false, permission_cache)))
        return command_result{permission::b_channel_create_modify_with_force_password};

    if(cmd[0].has("channel_password") && this->getType() == ClientType::CLIENT_QUERY)
        cmd["channel_password"] = base64::decode(digest::sha1(cmd["channel_password"].string()));
    if (cmd[0].has("channel_description")) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_description, 1, permission_cache);
    if (cmd[0].has("channel_maxclients") || (cmd[0].has("channel_flag_maxclients_unlimited") && !cmd["channel_flag_maxclients_unlimited"].as<bool>())) {
        ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_maxclients, 1, permission_cache);
        if(!cmd[0]["channel_flag_permanent"].as<bool>() && !cmd[0]["channel_flag_semi_permanent"].as<bool>()) {
            cmd["channel_maxclients"] = -1;
            cmd["channel_flag_maxclients_unlimited"] = 1;
        }
    }
    if (cmd[0].has("channel_maxfamilyclients")) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_maxfamilyclients, 1, permission_cache);
    if (cmd[0].has("channel_needed_talk_power")) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_needed_talk_power, 1, permission_cache);
    if (cmd[0].has("channel_topic")) ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_with_topic, 1, permission_cache);

    auto target_tree = this->server ? this->server->channelTree : serverInstance->getChannelTree().get();
    auto& tree_lock = this->server ? this->server->channel_tree_lock : serverInstance->getChannelTreeLock();
    unique_lock tree_channel_lock(tree_lock);

    if(cmd[0].has("channel_conversation_history_length")) {
        auto value = cmd["channel_conversation_history_length"].as<int64_t>();
        if(value == 0) {
            ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::b_channel_create_modify_conversation_history_unlimited, 1, permission_cache);
        } else {
            ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::i_channel_create_modify_conversation_history_length, 1, permission_cache);
        }
    }

    {
        auto delete_delay = cmd[0].has("channel_delete_delay") ? cmd["channel_delete_delay"].as<permission::PermissionValue>() : 0UL;
        if(delete_delay == 0) {
            if(this->server)
                cmd["channel_delete_delay"] = this->server->properties()[property::VIRTUALSERVER_CHANNEL_TEMP_DELETE_DELAY_DEFAULT].as<uint32_t>();
            else
                cmd["channel_delete_delay"] = 0;
        } else {
            ACTION_REQUIRES_GLOBAL_PERMISSION_CACHED(permission::i_channel_create_modify_with_temp_delete_delay, cmd["channel_delete_delay"].as<permission::PermissionValue>(), permission_cache);
        }
    }

    {
        size_t created_total = 0, created_tmp = 0, created_semi = 0, created_perm = 0;
        auto own_cldbid = this->getClientDatabaseId();
        for(const auto& channel : target_tree->channels()) {
            created_total++;
            if(channel->properties()[property::CHANNEL_CREATED_BY] == own_cldbid) {
                if(channel->properties()[property::CHANNEL_FLAG_PERMANENT].as<bool>())
                    created_perm++;
                else if(channel->properties()[property::CHANNEL_FLAG_SEMI_PERMANENT].as<bool>())
                    created_semi++;
                else
                    created_tmp++;
            }
        }

        if(this->server && created_total >= this->server->properties()[property::VIRTUALSERVER_MAX_CHANNELS].as<uint64_t>())
            return command_result{error::channel_limit_reached};

        auto max_channels = this->calculate_permission(permission::i_client_max_channels, 0, false, permission_cache);
        if(max_channels.has_value) {
            if(!permission::v2::permission_granted(created_perm + created_semi + created_tmp + 1, max_channels))
                return command_result{permission::i_client_max_channels};
        }

        if (cmd[0]["channel_flag_permanent"].as<bool>()) {
            max_channels = this->calculate_permission(permission::i_client_max_permanent_channels, 0, false, permission_cache);

            if(max_channels.has_value) {
                if(!permission::v2::permission_granted(created_perm + 1, max_channels))
                    return command_result{permission::i_client_max_permanent_channels};
            }
        }
        else if (cmd[0]["channel_flag_semi_permanent"].as<bool>()) {
            max_channels = this->calculate_permission(permission::i_client_max_semi_channels, 0, false, permission_cache);

            if(max_channels.has_value) {
                if(!permission::v2::permission_granted(created_semi + 1, max_channels))
                    return command_result{permission::i_client_max_semi_channels};
            }
        }
        else {
            max_channels = this->calculate_permission(permission::i_client_max_temporary_channels, 0, false, permission_cache);

            if(max_channels.has_value) {
                if(!permission::v2::permission_granted(created_tmp + 1, max_channels))
                    return command_result{permission::i_client_max_temporary_channels};
            }
        }
    }

    //TODO check voice (opus etc)
    std::shared_ptr<TreeView::LinkedTreeEntry> parent = nullptr;
    std::shared_ptr<BasicChannel> created_channel = nullptr, old_default_channel;

    //bool enforce_permanent_parent = cmd[0]["channel_flag_default"].as<bool>(); //TODO check parents here
    { //Checkout the parent(s)
        if (cmd[0].has("cpid") && cmd["cpid"].as<ChannelId>() != 0 && cmd["cpid"].as<int>() != -1) {
            parent = target_tree->findLinkedChannel(cmd["cpid"].as<ChannelId>());
            if (!parent) return command_result{error::channel_invalid_id, "Cant resolve parent channel"};
        }

        {

            auto min_channel_deep = this->calculate_permission(permission::i_channel_min_depth, 0, false, permission_cache);
            auto max_channel_deep = this->calculate_permission(permission::i_channel_max_depth, 0, false, permission_cache);

            if(min_channel_deep.has_value || max_channel_deep.has_value) {
                auto channel_deep = 0;
                auto local_parent = parent;
                while(local_parent) {
                    channel_deep++;
                    {
                        const auto typed_parent = dynamic_pointer_cast<ServerChannel>(local_parent->entry);
                        if(typed_parent->deleted) return command_result{error::channel_is_deleted, "One of the parents has been deleted"};
                    }
                    local_parent = local_parent->parent.lock();
                }

                if(min_channel_deep.has_value && (channel_deep < min_channel_deep.value && !min_channel_deep.has_infinite_power())) return command_result{permission::i_channel_min_depth};
                if(max_channel_deep.has_value && !permission::v2::permission_granted(channel_deep, max_channel_deep)) return command_result{permission::i_channel_max_depth};
            }
        }
    }

    if(!cmd[0].has("channel_order")) {
        auto last = parent ? parent->child_head : target_tree->tree_head();
        while(last && last->next)
            last = last->next;
        if(last)
            cmd["channel_order"] = last->entry->channelId();
    } else {

    }

    if (cmd["channel_name"].string().length() < 1) return command_result{error::channel_name_inuse, "Invalid channel name"};

    {
        if (target_tree->findChannel(cmd["channel_name"].as<std::string>(), parent ? dynamic_pointer_cast<BasicChannel>(parent->entry) : nullptr)) return command_result{error::channel_name_inuse, "Name already in use"};

        created_channel = target_tree->createChannel(parent ? parent->entry->channelId() : (ChannelId) 0, cmd[0].has("channel_order") ? cmd["channel_order"].as<ChannelId>() : (ChannelId) 0, cmd["channel_name"].as<std::string>());
    }

    if (!created_channel) return command_result{error::channel_invalid_flags, "Could not create channel"};

    auto created_linked_channel = target_tree->findLinkedChannel(created_channel->channelId());
    sassert(created_linked_channel);

    if (cmd[0].has("channel_flag_default") && cmd["channel_flag_default"].as<bool>()) {
        old_default_channel = target_tree->getDefaultChannel();
        target_tree->setDefaultChannel(created_channel);
    }

    created_channel->properties()[property::CHANNEL_CREATED_BY] = this->getClientDatabaseId();

    {
        auto default_modify_power = this->calculate_permission(permission::i_channel_modify_power, 0, false, permission_cache);
        auto default_delete_power = this->calculate_permission(permission::i_channel_delete_power, 0, false, permission_cache);

        auto permission_manager = created_channel->permissions();
        permission_manager->set_permission(
                permission::i_channel_needed_modify_power,
                {default_modify_power.has_value ? default_modify_power.value : 0, 0},
                permission::v2::PermissionUpdateType::set_value,
                permission::v2::PermissionUpdateType::do_nothing
        );
        permission_manager->set_permission(
                permission::i_channel_needed_delete_power,
                {default_delete_power.has_value ? default_delete_power.value : 0, 0},
                permission::v2::PermissionUpdateType::set_value,
                permission::v2::PermissionUpdateType::do_nothing
        );
    }

    for (auto &prop : cmd[0].keys()) {
        if (prop == "channel_flag_default") continue;
        if (prop == "channel_order") continue;
        if (prop == "channel_name") continue;
        if (prop == "cpid") continue;
        if (prop == "cid") continue;

        const auto &property = property::info<property::ChannelProperties>(prop);
        if(*property == property::CHANNEL_UNDEFINED) {
            logError(this->getServerId(), "Client " + this->getDisplayName() + " tried to change a not existing channel property " + prop);
            continue;
        }

        if(!property->validate_input(cmd[prop].as<string>())) {
            logError(this->getServerId(), "Client " + this->getDisplayName() + " tried to change a property to an invalid value. (Value: '" + cmd[prop].as<string>() + "', Property: '" + property->name + "')");
            continue;
        }
        created_channel->properties()[property] = cmd[prop].as<std::string>();
    }
    if(created_channel->parent()) {
        if(created_channel->parent()->channelType() > created_channel->channelType())
            created_channel->setChannelType(created_channel->parent()->channelType());
    }

    if(this->server) {
        const auto self_lock = _this.lock();
        this->server->forEachClient([&, created_channel](const shared_ptr<ConnectedClient>& client) {
            unique_lock client_channel_lock(client->channel_lock);
            auto result = client->channels->add_channel(created_linked_channel);
            if(!result) return;

            client->notifyChannelCreate(created_channel, result->previous_channel, self_lock);
            if(client == self_lock && this->getType() == ClientType::CLIENT_QUERY) {
                Command notify("");
                notify["cid"] = created_channel->channelId();
                this->sendCommand(notify);
            }
            client->notifyChannelDescriptionChanged(created_channel);
            if (client->subscribeToAll)
                client->subscribeChannel({created_channel}, false, true);

            if(old_default_channel) {
                //TODO: Reminder: client channel tree must be at least read locked here!
                client->notifyChannelEdited(old_default_channel, {property::CHANNEL_FLAG_DEFAULT}, self_lock, false);
            }
        });

        GroupId adminGroup = this->server->properties()[property::VIRTUALSERVER_DEFAULT_CHANNEL_ADMIN_GROUP];
        auto channel_admin_group = this->server->groups->findGroup(adminGroup);
        if (!channel_admin_group) {
            logError(this->getServerId(), "Missing server's default channel admin group! Using default channel group!");
            channel_admin_group = this->server->groups->defaultGroup(GroupTarget::GROUPTARGET_CHANNEL);
        }
        this->server->groups->setChannelGroup(this->getClientDatabaseId(), channel_admin_group, created_channel);

        if (created_channel->channelType() == ChannelType::temporary && (this->getType() == ClientType::CLIENT_TEAMSPEAK || this->getType() == ClientType::CLIENT_WEB))
            this->server->client_move(
                    this->ref(),
                    created_channel,
                    nullptr,
                    "channel created",
                    ViewReasonId::VREASON_USER_ACTION,
                    true,
                    tree_channel_lock
            );
    }

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelDelete(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(25);

    RESOLVE_CHANNEL_W(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<ServerChannel>(l_channel->entry);
    assert(channel);
    if(channel->deleted) /* channel gets already removed */
        return command_result{error::ok};

    ACTION_REQUIRES_CHANNEL_PERMISSION(channel, permission::i_channel_needed_delete_power, permission::i_channel_delete_power, true);
    for(const auto& ch : channel_tree->channels(channel)) {
        if(ch->defaultChannel())
            return command_result{error::channel_can_not_delete_default};
    }

    if(this->server) {
        auto clients = this->server->getClientsByChannelRoot(channel, false);
        if(!clients.empty())
            ACTION_REQUIRES_PERMISSION(permission::b_channel_delete_flag_force, 1, channel->channelId());

        this->server->delete_channel(channel, this->ref(), "channel deleted", channel_tree_write_lock);
    } else {
        auto channel_ids = channel_tree->deleteChannelRoot(channel);
        this->notifyChannelDeleted(channel_ids, this->ref());
    }
    return command_result{error::ok};
}

/*
 * 1. check for permission and basic requirements
 * 2. Lock the channel tree in write mode if required
 * 3. Apply changed, test for advanced requirements like channel name etc
 * 4. notify everyone
 */
command_result ConnectedClient::handleCommandChannelEdit(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(25);

    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<ServerChannel>(l_channel->entry);
    assert(channel);
    if(channel->deleted) {
        /* channel gets already removed */
        return command_result{error::ok};
    }

    std::deque<std::shared_ptr<property::PropertyDescription>> keys;
    bool require_write_lock = false;
    bool update_max_clients = false;
    bool update_max_family_clients = false;
    bool update_clients_in_channel = false;
    bool update_password = false;
    bool update_name = false;
    /* Step 1 */

    bool target_channel_type_changed = false;
    ChannelType::ChannelType target_channel_type = channel->channelType();
    ACTION_REQUIRES_CHANNEL_PERMISSION(channel, permission::i_channel_needed_modify_power, permission::i_channel_modify_power, true);

    for (const auto &key : cmd[0].keys()) {
        if(key == "cid")
            continue;
        if(key == "return_code")
            continue;

        const auto &property = property::info<property::ChannelProperties>(key);
        if(*property == property::CHANNEL_UNDEFINED) {
            logError(this->getServerId(), R"({} Tried to edit a not existing channel property "{}" to "{}")", CLIENT_STR_LOG_PREFIX, key, cmd[key].string());
            continue;
        }

        if((property->flags & property::FLAG_USER_EDITABLE) == 0) {
            logError(this->getServerId(), "{} Tried to change a channel property which is not changeable. (Key: {}, Value: \"{}\")", CLIENT_STR_LOG_PREFIX, key, cmd[key].string());
            continue;
        }

        if(!property->validate_input(cmd[key].as<string>())) {
            logError(this->getServerId(), "{} Tried to change a channel property to an invalid value. (Key: {}, Value: \"{}\")", CLIENT_STR_LOG_PREFIX, key, cmd[key].string());
            continue;
        }

        if(channel->properties()[*property].as<string>()  == cmd[key].as<string>())
            continue; /* we dont need to update stuff which is the same */

        if(key == "channel_icon_id") {
            ACTION_REQUIRES_CHANNEL_PERMISSION(channel, permission::i_channel_needed_permission_modify_power, permission::i_channel_permission_modify_power, true);
        } else if (key == "channel_order") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_sortorder, 1, channel_id);
            require_write_lock = true;
        } else if (key == "channel_flag_default") {
            if(!cmd["channel_flag_default"].as<bool>())
                return command_result{error::channel_invalid_flags};

            ACTION_REQUIRES_GLOBAL_PERMISSION(permission::b_channel_modify_make_default, 1);
            require_write_lock = true;
        } else if (key == "channel_name") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_name, 1, channel_id);
            if (count_characters(cmd["channel_name"]) < 1)
                return command_result{error::channel_name_invalid};
            if (count_characters(cmd["channel_name"]) > 40)
                return command_result{error::channel_name_invalid};
            require_write_lock = true;
            update_name = true;
        } else if (key == "channel_name_phonetic") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_name, 1, channel_id);
        } else if (key == "channel_topic") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_topic, 1, channel_id);
        } else if (key == "channel_description") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_description, 1, channel_id);
            if(!permission::v2::permission_granted(1, this->calculate_permission(permission::b_client_use_bbcode_any, channel_id))) {
                auto bbcode_image = bbcode::sloppy::has_image(cmd[key]);
                auto bbcode_url = bbcode::sloppy::has_url(cmd[key]);
                debugMessage(this->getServerId(), "Channel description contains bb codes: Image: {} URL: {}", bbcode_image, bbcode_url);
                if(bbcode_image && !permission::v2::permission_granted(1, this->calculate_permission(permission::b_client_use_bbcode_image, channel_id)))
                    return command_result{permission::b_client_use_bbcode_image};
                if(bbcode_url &&  !permission::v2::permission_granted(1, this->calculate_permission(permission::b_client_use_bbcode_url, channel_id)))
                    return command_result{permission::b_client_use_bbcode_url};
            }
        } else if (key == "channel_codec") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_codec, 1, channel_id);
        } else if (key == "channel_codec_quality") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_codec_quality, 1, channel_id);
        } else if (key == "channel_codec_is_unencrypted") {
            if (cmd["channel_codec_is_unencrypted"].as<bool>())
                ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_make_codec_encrypted, 1, channel_id);
        } else if (key == "channel_needed_talk_power") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_needed_talk_power, 1, channel_id);
            update_clients_in_channel = true;
        } else if (key == "channel_maxclients" || key == "channel_flag_maxclients_unlimited") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_maxclients, 1, channel_id);
            require_write_lock = true;
            update_max_clients = true;
        } else if(key == "channel_maxfamilyclients" || key == "channel_flag_maxfamilyclients_unlimited" || key == "channel_flag_maxfamilyclients_inherited") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_maxfamilyclients, 1, channel_id);
            require_write_lock = true;
            update_max_family_clients = true;
        } else if (key == "channel_flag_permanent" || key == "channel_flag_semi_permanent") {
            if (cmd[0].has("channel_flag_permanent") && cmd["channel_flag_permanent"].as<bool>()) {
                ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_make_permanent, 1, channel_id);
                target_channel_type = ChannelType::permanent;
            } else if (cmd[0].has("channel_flag_semi_permanent") && cmd["channel_flag_semi_permanent"].as<bool>()) {
                ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_make_semi_permanent, 1, channel_id);
                target_channel_type = ChannelType::semipermanent;
            } else {
                ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_make_temporary, 1, channel_id);
                target_channel_type = ChannelType::temporary;
            }
            target_channel_type_changed = true;
            require_write_lock = true;
        } else if (key == "channel_delete_delay") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_temp_delete_delay, cmd["channel_delete_delay"].as<permission::PermissionValue>(), channel_id);
        } else if (key == "channel_password" || key == "channel_flag_password") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_password, 1, channel_id);
            update_password = true;
        } else if (key == "channel_conversation_history_length") {
            auto value = cmd["channel_conversation_history_length"].as<int64_t>();
            if(value == 0) {
                ACTION_REQUIRES_PERMISSION(permission::b_channel_create_modify_conversation_history_unlimited, 1, channel_id);
            } else {
                ACTION_REQUIRES_PERMISSION(permission::i_channel_create_modify_conversation_history_length, 1, channel_id);
            }
        } else if (key == "channel_flag_conversation_private") {
            ACTION_REQUIRES_PERMISSION(permission::b_channel_create_modify_conversation_private, 1, channel_id);
        } else {
            logCritical(
                    this->getServerId(),
                    "The client " + this->getDisplayName() + " tried to change a editable channel property but we haven't found a permission. Please report this error. (Channel property: {})",
                    key
            );
            continue;
        }
        keys.push_back(property);
    }

    unique_lock server_channel_w_lock(this->server ? this->server->channel_tree_lock : serverInstance->getChannelTreeLock(), defer_lock);
    if(require_write_lock) {
        channel_tree_read_lock.unlock();
        server_channel_w_lock.lock();

        /* not that while we're waiting to edit the server the channel got deleted... fuck my english */
        if(channel->deleted)
            return command_result{error::ok};
    }

    /* test the password parameters */
    if(update_password) {
        if(!cmd[0].has("channel_password")) {
            if(cmd[0].has("channel_flag_password") && cmd["channel_flag_password"].as<bool>())
                return command_result{error::parameter_missing};
            else
                cmd["channel_password"] = ""; /* no password set */
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_PASSWORD));
        }
        if(!cmd[0].has("channel_flag_password")) {
            cmd["channel_flag_password"] = !cmd["channel_password"].string().empty();
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_PASSWORD));
        }

        if(cmd["channel_flag_password"].as<bool>()) {
            if(cmd["channel_password"].string().empty())
                return command_result{error::channel_invalid_flags}; /* we cant enable a password without a given password */

            /* we've to "encode" the password */
            if(this->getType() == ClientType ::CLIENT_QUERY)
                cmd["channel_password"] = base64::encode(digest::sha1(cmd["channel_password"].string()));
        } else {
            cmd["channel_password"] = ""; /* flag password if false so we set the password to empty */
        }
    }

    /* test the default channel update */
    if(cmd[0].has("channel_flag_default") || channel->defaultChannel()) {
        if(target_channel_type != ChannelType::permanent)
            return command_result{error::channel_default_require_permanent}; /* default channel is not allowed to be non permanent */

        if((cmd[0].has("channel_flag_password") && cmd["channel_flag_password"].as<bool>()) || channel->properties()[property::CHANNEL_FLAG_PASSWORD]) {
            cmd["channel_flag_password"] = false;
            cmd["channel_password"] = "";
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_PASSWORD));
        }

        if(cmd[0].has("channel_flag_default")) {
            cmd["channel_maxclients"] = -1;
            cmd["channel_flag_maxclients_unlimited"] = true;
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_MAXCLIENTS));
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXCLIENTS_UNLIMITED));
            update_max_clients = true;

            cmd["channel_maxfamilyclients"] = -1;
            cmd["channel_flag_maxfamilyclients_inherited"] = true;
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_MAXFAMILYCLIENTS));
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXFAMILYCLIENTS_INHERITED));
            update_max_family_clients = true;
        }
    }

    /* "fix" max client for temporary channels */
    if(target_channel_type_changed) {
        if(target_channel_type == ChannelType::temporary) {
            if(channel->properties()[property::CHANNEL_MAXCLIENTS].as<int>() != -1) {
                cmd["channel_maxclients"] = -1;
                cmd["channel_flag_maxclients_unlimited"] = true;
                keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_MAXCLIENTS));
                keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXCLIENTS_UNLIMITED));
                update_max_clients = true;
            }
            if(channel->properties()[property::CHANNEL_MAXFAMILYCLIENTS].as<int>() != -1) {
                cmd["channel_maxfamilyclients"] = -1;
                cmd["channel_flag_maxfamilyclients_inherited"] = true;
                keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_MAXFAMILYCLIENTS));
                keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXFAMILYCLIENTS_INHERITED));
                update_max_family_clients = true;
            }
        }

        if(target_channel_type != ChannelType::permanent) {
            /* test if any child is the default channel */
            for(const auto& child : channel_tree->channels(channel))
                if(child->defaultChannel())
                    return command_result{error::channel_default_require_permanent}; /* default channel is not allowed to be non permanent */
        }
        auto parent = channel->parent();
        if(parent && parent->channelType() > target_channel_type)
            return command_result{error::channel_parent_not_permanent};
    }

    /* test the max clients parameters */
    if(update_max_clients) {
        if(!cmd[0].has("channel_maxclients")) {
            if(cmd[0].has("channel_flag_maxclients_unlimited") && cmd["channel_flag_maxclients_unlimited"].as<bool>())
                cmd["channel_maxclients"] = -1;
            else
                return command_result{error::parameter_missing, "channel_maxclients"}; /* max clients must be specified */
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_MAXCLIENTS));
        }

        if(!cmd[0].has("channel_flag_maxclients_unlimited")) {
            cmd["channel_flag_maxclients_unlimited"] = cmd["channel_maxclients"].as<int>() < 0;
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXCLIENTS_UNLIMITED));
        }

        if(cmd["channel_flag_maxclients_unlimited"].as<bool>() && cmd["channel_maxclients"].as<int>() != -1)
            return command_result{error::channel_invalid_flags}; /* channel cant have a max client settings AND be unlimited as well */

        if(!cmd["channel_flag_maxclients_unlimited"].as<bool>() && target_channel_type == ChannelType::temporary)
            return command_result{error::channel_invalid_flags}; /* temporary channels cant have a limited user count */
    }

    /* test the max family clients parameters */
    if(update_max_family_clients) {
        if(!cmd[0].has("channel_maxfamilyclients")) {
            if(cmd[0].has("channel_flag_maxfamilyclients_unlimited")) {
                if(cmd["channel_flag_maxfamilyclients_unlimited"].as<bool>())
                    cmd["channel_flag_maxfamilyclients_inherited"] = false;
                else
                    cmd["channel_flag_maxfamilyclients_inherited"] = true;
                keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXFAMILYCLIENTS_INHERITED));
            } else if(cmd[0].has("channel_flag_maxfamilyclients_inherited")) {
                if(cmd["channel_flag_maxfamilyclients_inherited"].as<bool>())
                    cmd["channel_flag_maxfamilyclients_unlimited"] = false;
                else
                    cmd["channel_flag_maxfamilyclients_unlimited"] = true;
                keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_FLAG_MAXFAMILYCLIENTS_UNLIMITED));
            } else /* not really possible */
                return command_result{error::parameter_missing, "channel_maxfamilyclients"}; /* family max clients must be  */
            cmd["channel_maxfamilyclients"] = -1;
            keys.push_back(property::info<property::ChannelProperties>(property::CHANNEL_MAXFAMILYCLIENTS));
        }
        //keep this order because this command: "channeledit cid=<x> channel_maxfamilyclients=-1" should set max family clients mode to inherited
        if(!cmd[0].has("channel_flag_maxfamilyclients_inherited")) {
            auto flag_unlimited = cmd[0].has("channel_flag_maxfamilyclients_unlimited") && cmd["channel_flag_maxfamilyclients_unlimited"].as<bool>();
            if(flag_unlimited)
                cmd["channel_flag_maxfamilyclients_inherited"] = false;
            else
                cmd["channel_flag_maxfamilyclients_inherited"] = cmd["channel_maxfamilyclients"].as<int>() < 0;
        }
        if(!cmd[0].has("channel_flag_maxfamilyclients_unlimited")) {
            auto flag_inherited = cmd[0].has("channel_flag_maxfamilyclients_inherited") && cmd["channel_flag_maxfamilyclients_inherited"].as<bool>();
            if(flag_inherited)
                cmd["channel_flag_maxfamilyclients_unlimited"] = false;
            else
                cmd["channel_flag_maxfamilyclients_unlimited"] = cmd["channel_maxfamilyclients"].as<int>() < 0;
        }

        if(cmd["channel_flag_maxfamilyclients_inherited"].as<bool>() && cmd["channel_flag_maxfamilyclients_unlimited"].as<bool>())
            return command_result{error::channel_invalid_flags}; /* both at the same time are not possible */

        if(cmd["channel_flag_maxfamilyclients_inherited"].as<bool>() && cmd["channel_maxfamilyclients"].as<int>() != -1)
            return command_result{error::channel_invalid_flags}; /* flag inherited required max users to be -1 */

        if(cmd["channel_flag_maxfamilyclients_unlimited"].as<bool>() && cmd["channel_maxfamilyclients"].as<int>() != -1)
            return command_result{error::channel_invalid_flags}; /* flag unlimited required max users to be -1 */

        if(cmd["channel_maxfamilyclients"].as<int>() != -1 && target_channel_type == ChannelType::temporary)
            return command_result{error::channel_invalid_flags}; /* temporary channels cant have a limited user count */
    }

    /* test the channel name */
    if(update_name) {
        auto named_channel = channel_tree->findChannel(cmd["channel_name"].string(), channel->parent());
        if (named_channel)
            return command_result{error::channel_name_inuse};
    }

    auto self_ref = this->ref();
    shared_ptr<BasicChannel> old_default_channel;
    deque<shared_ptr<BasicChannel>> child_channel_updated;
    for(const std::shared_ptr<property::PropertyDescription>& key : keys) {
        if(*key == property::CHANNEL_ORDER) {
            /* TODO: May move that up because if it fails may some other props have already be applied */
            if (!channel_tree->change_order(channel, cmd[key->name]))
                return command_result{error::channel_invalid_order, "Can't change order id"};

            if(this->server) {
                auto parent = channel->hasParent() ? channel_tree->findLinkedChannel(channel->parent()->channelId()) : nullptr;
                auto previous = channel_tree->findLinkedChannel(channel->previousChannelId());

                this->server->forEachClient([&](const shared_ptr<ConnectedClient>& cl) {
                    unique_lock client_channel_lock(cl->channel_lock);

                    auto actions = cl->channels->change_order(l_channel, parent, previous);
                    std::deque<ChannelId> deletions;
                    for(const auto& action : actions) {
                        switch (action.first) {
                            case ClientChannelView::NOTHING:
                                continue;
                            case ClientChannelView::ENTER_VIEW:
                                cl->notifyChannelShow(action.second->channel(), action.second->previous_channel);
                                break;
                            case ClientChannelView::DELETE_VIEW:
                                deletions.push_back(action.second->channelId());
                                break;
                            case ClientChannelView::MOVE:
                                cl->notifyChannelMoved(action.second->channel(), action.second->previous_channel, this->ref());
                                break;
                            case ClientChannelView::REORDER:
                                cl->notifyChannelEdited(action.second->channel(), {property::CHANNEL_ORDER}, self_ref, false);
                                break;
                        }
                    }
                    if(!deletions.empty()) {
                        cl->notifyChannelHide(deletions, false);
                        return; //Channel got deleted so we dont have to send the updates
                    }
                });
            }
        } else if(*key == property::CHANNEL_FLAG_DEFAULT) {
            old_default_channel = channel_tree->getDefaultChannel();
            if(old_default_channel == channel) {
                old_default_channel = nullptr;
                continue;
            }

            if(!cmd[key->name].as<bool>()) {
                old_default_channel = nullptr;
                continue;
            }

            channel_tree->setDefaultChannel(channel);

            deque<shared_ptr<BasicChannel>> updated_channels;
            shared_ptr<BasicChannel> current_channel = channel;
            do {
                if(current_channel->channelType() == ChannelType::permanent)
                    break;

                current_channel->setChannelType(ChannelType::permanent);
                if(current_channel != channel)
                    updated_channels.push_back(channel);
            } while ((current_channel = current_channel->parent()));

            if(this->server && !updated_channels.empty()) {
                std::reverse(updated_channels.begin(), updated_channels.end());
                auto this_ref = this->ref();
                this->server->forEachClient([&](const shared_ptr<ConnectedClient>& client) {
                    unique_lock client_channel_lock(client->channel_lock);
                    for(const auto& channel : updated_channels) {
                        client->notifyChannelEdited(channel, {property::CHANNEL_FLAG_PERMANENT, property::CHANNEL_FLAG_SEMI_PERMANENT}, this_ref, false);
                    }
                });
            }
        } else if(*key == property::CHANNEL_FLAG_PERMANENT || *key == property::CHANNEL_FLAG_SEMI_PERMANENT) {
            if(target_channel_type_changed) { /* must be true else the key would not appere here */
                target_channel_type_changed = false; /* we only need to check all subchannels once! */


                { /* check channel children */
                    deque<shared_ptr<BasicChannel>> channel_to_test = {channel};

                    while(!channel_to_test.empty()) {
                        auto current_channel = channel_to_test.front();
                        channel_to_test.pop_front();

                        for(const auto& child : channel_tree->channels(current_channel, 1)) {
                            if(child == current_channel)
                                continue;

                            if(child->channelType() < target_channel_type) {
                                child->setChannelType(target_channel_type);
                                channel_to_test.push_back(child);
                                child_channel_updated.push_back(child);
                            }
                        }
                    }
                }
            }
        } else if(*key == property::CHANNEL_CONVERSATION_HISTORY_LENGTH) {
            //channel_conversation_history_length
            auto conversation_manager = this->server->conversation_manager();
            if(conversation_manager) {
                auto conversation = conversation_manager->get(channel->channelId());
                if(conversation)
                    conversation->set_history_length(cmd[key->name]);
            }
        } else if(*key == property::CHANNEL_NEEDED_TALK_POWER) {
            channel->permissions()->set_permission(permission::i_client_needed_talk_power, {cmd[key->name].as<int>(), 0}, permission::v2::set_value, permission::v2::do_nothing);
        }

        channel->properties()[key] = cmd[key->name].string();
    }
    if(this->server) {
        vector<property::ChannelProperties> key_vector;
        key_vector.reserve(keys.size());
        for(const auto& key : keys)
            key_vector.push_back((property::ChannelProperties) key->property_index);

        auto self_rev = this->ref();
        this->server->forEachClient([&](const shared_ptr<ConnectedClient>& client) {
            unique_lock client_channel_lock(client->channel_lock);

            for(const auto& channel : child_channel_updated)
                client->notifyChannelEdited(channel, {property::CHANNEL_FLAG_PERMANENT, property::CHANNEL_FLAG_SEMI_PERMANENT}, self_rev, false);

            client->notifyChannelEdited(channel, key_vector, self_rev, false);

            if(old_default_channel) /* clients need to have one or more defualt channels... */
                client->notifyChannelEdited(old_default_channel, {property::CHANNEL_FLAG_DEFAULT}, self_rev, false);
        });
    }

    if(server_channel_w_lock.owns_lock())
        server_channel_w_lock.unlock();

    if(!channel_tree_read_lock.owns_lock())
        channel_tree_read_lock.lock();

    if(update_clients_in_channel && this->server) {
        for(const auto& client : this->server->getClientsByChannel(channel))
            client->updateChannelClientProperties(true, true); //TODO: May only update the talk power and not all?
    }
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelMove(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(25);
    RESOLVE_CHANNEL_W(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<ServerChannel>(l_channel->entry);
    assert(channel);
    if(channel->deleted)
        return command_result{error::channel_is_deleted};

    if(!cmd[0].has("order"))
        cmd["order"] = 0;

    auto l_parent = channel_tree->findLinkedChannel(cmd["cpid"]);
    shared_ptr<TreeView::LinkedTreeEntry> l_order;
    if(cmd[0].has("order")) {
        l_order = channel_tree->findLinkedChannel(cmd["order"]);
        if (!l_order && cmd["order"].as<ChannelId>() != 0) return command_result{error::channel_invalid_id};
    } else {
        l_order = l_parent ? l_parent->child_head : (this->server ? this->server->getChannelTree() : serverInstance->getChannelTree().get())->tree_head();
        while(l_order && l_order->next)
            l_order = l_order->next;
    }

    auto parent = l_parent ? dynamic_pointer_cast<ServerChannel>(l_parent->entry) : nullptr;
    auto order = l_order ? dynamic_pointer_cast<ServerChannel>(l_order->entry) : nullptr;

    if((parent && parent->deleted) || (order && order->deleted))
        return command_result{error::channel_is_deleted, "parent channel order previous channel has been deleted"};

    if(channel->parent() == parent && channel->channelOrder() == (order ? order->channelId() : 0))
        return command_result{error::ok};

    if (channel->parent() != parent)
        ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_parent, 1, channel_id);
    if ((order ? order->channelId() : 0) != channel->channelOrder())
        ACTION_REQUIRES_PERMISSION(permission::b_channel_modify_sortorder, 1, channel_id);

    {
        auto min_channel_deep = this->calculate_permission(permission::i_channel_min_depth, 0, false);
        auto max_channel_deep = this->calculate_permission(permission::i_channel_max_depth, 0, false);

        if(min_channel_deep.has_value || max_channel_deep.has_value) {
            auto channel_deep = 0;
            auto local_parent = l_parent;
            while(local_parent) {
                channel_deep++;
                local_parent = local_parent->parent.lock();
            }

            if(min_channel_deep.has_value && (channel_deep < min_channel_deep.value && !min_channel_deep.has_infinite_power())) return command_result{permission::i_channel_min_depth};
            if(max_channel_deep.has_value && !permission::v2::permission_granted(channel_deep, max_channel_deep)) return command_result{permission::i_channel_max_depth};
        }
    }
    {
        auto name = channel_tree->findChannel(channel->name(), parent);
        if(name && name != channel) return command_result{error::channel_name_inuse};
    }
    debugMessage(this->getServerId(), "Moving channel {} from old [{} | {}] to [{} | {}]", channel->name(), channel->channelOrder(), channel->parent() ? channel->parent()->channelId() : 0, order ? order->channelId() : 0, parent ? parent->channelId() : 0);

    if (!channel_tree->move_channel(channel, parent, order)) return command_result{error::channel_invalid_order, "Cant change order id"};

    deque<shared_ptr<BasicChannel>> channel_type_updates;
    {
        auto flag_default = channel->defaultChannel();
        auto current_channel = channel;
        do {
            if(flag_default) {
                if(current_channel->channelType() != ChannelType::permanent) {
                    current_channel->setChannelType(ChannelType::permanent);
                    channel_type_updates.push_front(current_channel);
                }
            } else if(current_channel->hasParent()) {
                if(current_channel->channelType() < current_channel->parent()->channelType()) {
                    current_channel->setChannelType(current_channel->parent()->channelType());
                    channel_type_updates.push_front(current_channel);
                }
            }
        } while ((current_channel = dynamic_pointer_cast<ServerChannel>(current_channel->parent())));
    }

    if(this->server) {
        auto self_rev = this->ref();
        this->server->forEachClient([&](const shared_ptr<ConnectedClient>& client) {
            unique_lock channel_lock(client->channel_lock);
            for(const auto& type_update : channel_type_updates)
                client->notifyChannelEdited(type_update, {property::CHANNEL_FLAG_PERMANENT, property::CHANNEL_FLAG_SEMI_PERMANENT}, self_rev, false);

            auto actions = client->channels->change_order(l_channel, l_parent, l_order);
            std::deque<ChannelId> deletions;
            for(const auto& action : actions) {
                switch (action.first) {
                    case ClientChannelView::NOTHING:
                        continue;
                    case ClientChannelView::ENTER_VIEW:
                        client->notifyChannelShow(action.second->channel(), action.second->previous_channel);
                        break;
                    case ClientChannelView::DELETE_VIEW:
                        deletions.push_back(action.second->channelId());
                        break;
                    case ClientChannelView::MOVE:
                        client->notifyChannelMoved(action.second->channel(), action.second->previous_channel, _this.lock());
                        break;
                    case ClientChannelView::REORDER:
                        client->notifyChannelEdited(action.second->channel(), {property::CHANNEL_ORDER}, self_rev, false);
                        break;
                }
            }
            if(!deletions.empty())
                client->notifyChannelHide(deletions, false);
        });
    }

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelPermList(Command &cmd) {
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<BasicChannel>(l_channel->entry);
    assert(channel);

    ACTION_REQUIRES_PERMISSION(permission::b_virtualserver_channel_permission_list, 1, channel->channelId());

    if(this->getType() == ClientType::CLIENT_TEAMSPEAK && this->command_times.last_notify + this->command_times.notify_timeout < system_clock::now()) {
        this->sendTSPermEditorWarning();
    }

    auto sids = cmd.hasParm("permsid");

    Command result(this->notify_response_command("notifychannelpermlist"));
    int index = 0;
    result["cid"] = channel->channelId();

    auto permission_mapper = serverInstance->getPermissionMapper();
    auto type = this->getType();
    auto permission_manager = channel->permissions();
    for (const auto &permission_data : permission_manager->permissions()) {
        auto& permission = std::get<1>(permission_data);
        if(permission.flags.value_set) {
            if(sids) {
                result[index]["permsid"] = permission_mapper->permission_name(type, std::get<0>(permission_data));
            } else {
                result[index]["permid"] = std::get<0>(permission_data);
            }

            result[index]["permvalue"] = permission.values.value;
            result[index]["permnegated"] = permission.flags.negate;
            result[index]["permskip"] = permission.flags.skip;
            index++;
        }
        if(permission.flags.grant_set) {
            if(sids) {
                result[index]["permsid"] = permission_mapper->permission_name_grant(type, std::get<0>(permission_data));
            } else {
                result[index]["permid"] = (uint16_t) (std::get<0>(permission_data) | PERM_ID_GRANT);
            }
            result[index]["permvalue"] = permission.values.grant;
            result[index]["permnegated"] = 0;
            result[index]["permskip"] = 0;
            index++;
        }
    }
    if(index == 0)
        return command_result{error::database_empty_result};

    this->sendCommand(result);
    return command_result{error::ok};
}

//
//channel_icon_id=18446744073297259750
//channel_name
//channel_topic
//Desctiption has no extra parm
command_result ConnectedClient::handleCommandChannelAddPerm(Command &cmd) {
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<BasicChannel>(l_channel->entry);
    assert(channel);

    ACTION_REQUIRES_CHANNEL_PERMISSION(channel, permission::i_channel_needed_permission_modify_power, permission::i_channel_permission_modify_power, true);

    auto max_value = this->calculate_permission(permission::i_permission_modify_power, channel_id, true);
    if(!max_value.has_value) return command_result{permission::i_permission_modify_power};

    auto ignore_granted_values = permission::v2::permission_granted(1, this->calculate_permission(permission::b_permission_modify_power_ignore, channel_id));
    auto updateClients = false, update_view = false, update_channel_properties = false;

    bool conOnError = cmd[0].has("continueonerror");

    auto permission_manager = channel->permissions();
    for (int index = 0; index < cmd.bulkCount(); index++) {
        PARSE_PERMISSION(cmd);

        auto val = cmd[index]["permvalue"].as<permission::PermissionValue>();
        if(permission_require_granted_value(permType) && !permission::v2::permission_granted(val, max_value)) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if(!ignore_granted_values && !permission::v2::permission_granted(1, this->calculate_permission(permType, channel_id, true))) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }


        if (grant) {
            permission_manager->set_permission(permType, {0, cmd[index]["permvalue"]}, permission::v2::PermissionUpdateType::do_nothing, permission::v2::PermissionUpdateType::set_value);
        } else {
            permission_manager->set_permission(
                    permType,
                    {cmd[index]["permvalue"], 0},
                    permission::v2::PermissionUpdateType::set_value,
                    permission::v2::PermissionUpdateType::do_nothing,

                    cmd[index]["permskip"].as<bool>() ? 1 : 0,
                    cmd[index]["permnegated"].as<bool>() ? 1 : 0
            );
            updateClients |= permission_is_client_property(permType);
            update_view |= permType == permission::i_channel_needed_view_power;
            update_channel_properties |= channel->permission_require_property_update(permType);

            if (permType == permission::i_icon_id) {
                if(this->server) {
                    auto self_ref = this->ref();
                    this->server->forEachClient([&](std::shared_ptr<ConnectedClient> cl) {
                        shared_lock client_channel_lock(cl->channel_lock);
                        cl->notifyChannelEdited(channel, {property::CHANNEL_ICON_ID}, self_ref, false);
                    });
                }
                continue;
            }
        }
    }

    /* broadcast the updated channel properties */
    if(update_channel_properties) {
        auto updates = channel->update_properties_from_permissions();
        if(!updates.empty() && this->server){
            auto self_ref = this->ref();
            this->server->forEachClient([&](std::shared_ptr<ConnectedClient> cl) {
                shared_lock client_channel_lock(cl->channel_lock);
                cl->notifyChannelEdited(channel, updates, self_ref, false);
            });
        }
    }

    if(updateClients && this->server)
        for(const auto& client : this->server->getClientsByChannel(channel)) {
            /* let them lock the server channel tree as well (read lock so does not matter) */
            client->updateChannelClientProperties(true, true);
            client->join_state_id++; /* join permission may changed, all channels need to be recalculate dif needed */
        }

    if(update_view && this->server) {
        auto l_source = this->server->channelTree->findLinkedChannel(channel->channelId());
        this->server->forEachClient([&](const shared_ptr<ConnectedClient>& cl) {
            /* server tree read lock still active */
            auto l_target = !cl->currentChannel ? nullptr : cl->server->channelTree->findLinkedChannel(cl->currentChannel->channelId());
            sassert(l_source);
            if(cl->currentChannel) sassert(l_target);

            {
                unique_lock client_channel_lock(cl->channel_lock);

                deque<ChannelId> deleted;
                for(const auto& update_entry : cl->channels->update_channel(l_source, l_target)) {
                    if(update_entry.first)
                        cl->notifyChannelShow(update_entry.second->channel(), update_entry.second->previous_channel);
                    else deleted.push_back(update_entry.second->channelId());
                }
                if(!deleted.empty())
                    cl->notifyChannelHide(deleted, false);
            }
        });
    }
    return command_result{error::ok};;
}

command_result ConnectedClient::handleCommandChannelDelPerm(Command &cmd) {
    CMD_RESET_IDLE;

    RESOLVE_CHANNEL_R(cmd["cid"], true)
    auto channel = dynamic_pointer_cast<BasicChannel>(l_channel->entry);
    assert(channel);

    ACTION_REQUIRES_CHANNEL_PERMISSION(channel, permission::i_channel_needed_permission_modify_power, permission::i_channel_permission_modify_power, true);

    auto ignore_granted_values = permission::v2::permission_granted(1, this->calculate_permission(permission::b_permission_modify_power_ignore, channel_id));
    bool conOnError = cmd[0].has("continueonerror");
    auto updateClients = false, update_view = false, update_channel_properties = false;

    auto permission_manager = channel->permissions();
    for (int index = 0; index < cmd.bulkCount(); index++) {
        PARSE_PERMISSION(cmd);

        if(!ignore_granted_values && !permission::v2::permission_granted(0, this->calculate_permission(permType, channel_id, true))) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if (grant) {
            permission_manager->set_permission(permType, permission::v2::empty_permission_values, permission::v2::PermissionUpdateType::do_nothing, permission::v2::PermissionUpdateType::delete_value);
        } else {
            permission_manager->set_permission(permType, permission::v2::empty_permission_values, permission::v2::PermissionUpdateType::delete_value, permission::v2::PermissionUpdateType::do_nothing);
            updateClients |= permission_is_client_property(permType);
            update_view |= permType == permission::i_channel_needed_view_power;
            update_channel_properties |= channel->permission_require_property_update(permType);
        }
    }

    /* broadcast the updated channel properties */
    if(update_channel_properties) {
        auto updates = channel->update_properties_from_permissions();
        if(!updates.empty() && this->server){
            auto self_ref = this->ref();
            this->server->forEachClient([&](std::shared_ptr<ConnectedClient> cl) {
                shared_lock client_channel_lock(cl->channel_lock);
                cl->notifyChannelEdited(channel, updates, self_ref, false);
            });
        }
    }

    if(updateClients && this->server)
        this->server->forEachClient([&](std::shared_ptr<ConnectedClient> cl) {
            if(cl->currentChannel == channel) {
                cl->updateChannelClientProperties(true, true);
                cl->join_state_id++; /* join permission may changed, all channels need to be recalculate dif needed */
            }
        });
    if(update_view && this->server) {
        this->server->forEachClient([&](std::shared_ptr<ConnectedClient> cl) {
            /* server tree read lock still active */
            auto l_source = cl->server->channelTree->findLinkedChannel(channel->channelId());
            auto l_target = !cl->currentChannel ? nullptr : cl->server->channelTree->findLinkedChannel(cl->currentChannel->channelId());
            sassert(l_source);
            if(cl->currentChannel) sassert(l_target);

            {
                unique_lock client_channel_lock(cl->channel_lock);

                deque<ChannelId> deleted;
                for(const auto& update_entry : cl->channels->update_channel(l_source, l_target)) {
                    if(update_entry.first)
                        cl->notifyChannelShow(update_entry.second->channel(), update_entry.second->previous_channel);
                    else deleted.push_back(update_entry.second->channelId());
                }
                if(!deleted.empty())
                    cl->notifyChannelHide(deleted, false);
            }
        });
    }
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelClientPermList(Command &cmd) {
    CMD_REQ_SERVER;
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);
    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<ServerChannel>(l_channel->entry);
    if(!channel) return command_result{error::vs_critical};
    ACTION_REQUIRES_PERMISSION(permission::b_virtualserver_channelclient_permission_list, 1, channel_id);

    if(!serverInstance->databaseHelper()->validClientDatabaseId(this->server, cmd["cldbid"])) return command_result{error::client_invalid_id};
    auto mgr = serverInstance->databaseHelper()->loadClientPermissionManager(this->server, cmd["cldbid"].as<ClientDbId>());

    Command res(this->getExternalType() == CLIENT_TEAMSPEAK ? "notifychannelclientpermlist" : "");

    auto permissions = mgr->channel_permissions(channel->channelId());
    if(permissions.empty())
        return command_result{error::database_empty_result};

    int index = 0;
    res[index]["cid"] = channel->channelId();
    res[index]["cldbid"] = cmd["cldbid"].as<ClientDbId>();

    auto sids = cmd.hasParm("permsid");
    auto permission_mapper = serverInstance->getPermissionMapper();
    auto type = this->getType();

    for (const auto &permission_data : permissions) {
        auto& permission = std::get<1>(permission_data);
        if(permission.flags.value_set) {
            if (sids)
                res[index]["permsid"] = permission_mapper->permission_name(type, get<0>(permission_data));
            else
                res[index]["permid"] = get<0>(permission_data);
            res[index]["permvalue"] = permission.values.value;

            res[index]["permnegated"] = permission.flags.negate;
            res[index]["permskip"] = permission.flags.skip;
            index++;
        }


        if(permission.flags.grant_set) {
            if (sids)
                res[index]["permsid"] = permission_mapper->permission_name_grant(type, get<0>(permission_data));
            else
                res[index]["permid"] = (get<0>(permission_data) | PERM_ID_GRANT);
            res[index]["permvalue"] = permission.values.grant;
            res[index]["permnegated"] = 0;
            res[index]["permskip"] = 0;
            index++;
        }
    }

    this->sendCommand(res);
    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelClientDelPerm(Command &cmd) {
    CMD_REF_SERVER(server_ref);
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    auto cldbid = cmd["cldbid"].as<ClientDbId>();
    if (!serverInstance->databaseHelper()->validClientDatabaseId(this->server, cldbid))
        return command_result{error::parameter_invalid, "Invalid manager db id"};

    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<ServerChannel>(l_channel->entry);
    if(!channel) return command_result{error::vs_critical};

    auto mgr = serverInstance->databaseHelper()->loadClientPermissionManager(this->server, cldbid);
    {
        auto required_permissions = this->server->calculate_permission(permission::i_client_needed_permission_modify_power, cmd["cldbid"], ClientType::CLIENT_TEAMSPEAK, channel_id);
        ACTION_REQUIRES_PERMISSION(permission::i_client_permission_modify_power, required_permissions, channel_id);
    }

    auto ignore_granted_values = permission::v2::permission_granted(1, this->calculate_permission(permission::b_permission_modify_power_ignore, channel_id));

    bool conOnError = cmd[0].has("continueonerror"), update_view = false;
    auto cll = this->server->findClientsByCldbId(cldbid);
    for (int index = 0; index < cmd.bulkCount(); index++) {
        PARSE_PERMISSION(cmd);

        if(!ignore_granted_values && !permission::v2::permission_granted(0, this->calculate_permission(permType, channel_id, true))) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if (grant) {
            mgr->set_channel_permission(permType, channel->channelId(), permission::v2::empty_permission_values, permission::v2::do_nothing, permission::v2::delete_value);
        } else {
            mgr->set_channel_permission(permType, channel->channelId(), permission::v2::empty_permission_values, permission::v2::delete_value, permission::v2::do_nothing);
            update_view = permType == permission::b_channel_ignore_view_power || permType == permission::i_channel_view_power;
        }
    }

    serverInstance->databaseHelper()->saveClientPermissions(this->server, cldbid, mgr);
    if (!cll.empty()) {
        for (const auto &elm : cll) {
            if(elm->update_cached_permissions()) /* update cached calculated permissions */
                elm->sendNeededPermissions(false); /* cached permissions had changed, notify the client */

            if(elm->currentChannel == channel) {
                elm->updateChannelClientProperties(true, true);
            } else if(update_view) {
                unique_lock client_channel_lock(this->channel_lock);

                auto elm_channel = elm->currentChannel;
                if(elm_channel) {
                    deque<ChannelId> deleted;
                    for(const auto& update_entry : elm->channels->update_channel_path(l_channel, this->server->channelTree->findLinkedChannel(elm->currentChannel->channelId()))) {
                        if(update_entry.first)
                            elm->notifyChannelShow(update_entry.second->channel(), update_entry.second->previous_channel);
                        else deleted.push_back(update_entry.second->channelId());
                    }
                    if(!deleted.empty())
                        elm->notifyChannelHide(deleted, false); /* we've locked the tree before */
                }
            }

            elm->join_state_id++; /* join permission may changed, all channels need to be recalculate dif needed */
        }
    }

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelClientAddPerm(Command &cmd) {
    CMD_REF_SERVER(server_ref);
    CMD_RESET_IDLE;
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    auto cldbid = cmd["cldbid"].as<ClientDbId>();
    if (!serverInstance->databaseHelper()->validClientDatabaseId(this->server, cldbid))
        return command_result{error::parameter_invalid, "Invalid client db id"};

    RESOLVE_CHANNEL_R(cmd["cid"], true);
    auto channel = dynamic_pointer_cast<ServerChannel>(l_channel->entry);
    if(!channel) return command_result{error::vs_critical};

    auto mgr = serverInstance->databaseHelper()->loadClientPermissionManager(this->server, cldbid);
    {
        auto required_permissions = this->server->calculate_permission(permission::i_client_needed_permission_modify_power, cmd["cldbid"], ClientType::CLIENT_TEAMSPEAK, channel_id);
        ACTION_REQUIRES_PERMISSION(permission::i_client_permission_modify_power, required_permissions, channel_id);
    }

    auto max_value = this->calculate_permission(permission::i_permission_modify_power, channel_id, true);
    if(!max_value.has_value) return command_result{permission::i_permission_modify_power};

    auto ignore_granted_values = permission::v2::permission_granted(1, this->calculate_permission(permission::b_permission_modify_power_ignore, channel_id));
    auto update_view = false;

    bool conOnError = cmd[0].has("continueonerror");
    auto onlineClientInstances = this->server->findClientsByCldbId(cldbid);

    for (int index = 0; index < cmd.bulkCount(); index++) {
        PARSE_PERMISSION(cmd);

        auto val = cmd[index]["permvalue"].as<permission::PermissionValue>();
        if(permission_require_granted_value(permType) && !permission::v2::permission_granted(val, max_value)) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if(!ignore_granted_values && !permission::v2::permission_granted(1, this->calculate_permission(permType, channel_id, true))) {
            if(conOnError) continue;
            return command_result{permission::i_permission_modify_power};
        }

        if (grant) {
            mgr->set_channel_permission(permType, channel->channelId(), {0, cmd[index]["permvalue"]}, permission::v2::do_nothing, permission::v2::set_value);
        } else {
            mgr->set_channel_permission(permType, channel->channelId(), {cmd[index]["permvalue"], 0}, permission::v2::set_value, permission::v2::do_nothing,  cmd[index]["permskip"] ? 1 : 0, cmd[index]["permnegated"] ? 1 : 0);
            update_view = permType == permission::b_channel_ignore_view_power || permType == permission::i_channel_view_power;
        }
    }

    serverInstance->databaseHelper()->saveClientPermissions(this->server, cldbid, mgr);
    if (!onlineClientInstances.empty())
        for (const auto &elm : onlineClientInstances) {
            if (elm->update_cached_permissions()) /* update cached calculated permissions */
                elm->sendNeededPermissions(false); /* cached permissions had changed, notify the client */

            if(elm->currentChannel == channel) {
                elm->updateChannelClientProperties(true, true);
            } else if(update_view) {
                unique_lock client_channel_lock(this->channel_lock);

                auto elm_channel = elm->currentChannel;
                if(elm_channel) {
                    deque<ChannelId> deleted;
                    for(const auto& update_entry : elm->channels->update_channel_path(l_channel, this->server->channelTree->findLinkedChannel(elm->currentChannel->channelId()))) {
                        if(update_entry.first)
                            elm->notifyChannelShow(update_entry.second->channel(), update_entry.second->previous_channel);
                        else deleted.push_back(update_entry.second->channelId());
                    }
                    if(!deleted.empty())
                        elm->notifyChannelHide(deleted, false); /* we've locked the tree before */
                }
            }
            elm->join_state_id++; /* join permission may changed, all channels need to be recalculate dif needed */
        }

    return command_result{error::ok};
}


command_result ConnectedClient::handleCommandChannelFind(Command &cmd) {
    CMD_CHK_AND_INC_FLOOD_POINTS(5);

    string pattern = cmd["pattern"];
    std::transform(pattern.begin(), pattern.end(), pattern.begin(), ::tolower);

    Command res("");
    int index = 0;
    for (const auto &cl : (this->server ? this->server->channelTree : serverInstance->getChannelTree().get())->channels()) {
        string name = cl->name();
        std::transform(name.begin(), name.end(), name.begin(), ::tolower);
        if (name.find(pattern) != std::string::npos) {
            res[index]["cid"] = cl->channelId();
            res[index]["channel_name"] = cl->name();
            index++;
        }
    }
    if (index == 0) return command_result{error::database_empty_result};
    this->sendCommand(res);

    return command_result{error::ok};
}

command_result ConnectedClient::handleCommandChannelInfo(Command &cmd) {
    std::shared_ptr<BasicChannel> channel = (this->server ? this->server->channelTree : serverInstance->getChannelTree().get())->findChannel(cmd["cid"].as<ChannelId>());
    if (!channel) return command_result{error::channel_invalid_id, "Cant resolve channel"};

    Command res("");

    for (const auto &prop : channel->properties().list_properties(property::FLAG_CHANNEL_VIEW | property::FLAG_CHANNEL_VARIABLE, this->getType() == CLIENT_TEAMSPEAK ? property::FLAG_NEW : (uint16_t) 0))
        res[prop.type().name] = prop.value();

    res["seconds_empty"] = channel->emptySince();
    res["pid"] = res["cpid"].string();
    this->sendCommand(res);

    return command_result{error::ok};
}