//
// Created by WolverinDEV on 29/04/2020.
//

#include <files/FileServer.h>
#include <log/LogUtils.h>

#include <experimental/filesystem>
#include <local_server/clnpath.h>

namespace fs = std::experimental::filesystem;

using namespace ts::server;

struct Nothing {};

template <typename ErrorType, typename ResponseType>
inline void print_response(const std::string& message, const std::shared_ptr<file::ExecuteResponse<file::filesystem::DetailedError<ErrorType>, ResponseType>>& response) {
    if(response->status == file::ExecuteStatus::ERROR)
        logError(0, "{}: {} => {}", message, (int) response->error().error_type, response->error().error_message);
    else if(response->status == file::ExecuteStatus::SUCCESS)
        logMessage(0, "{}: success", message);
    else
        logWarning(0, "Unknown response state ({})!", (int) response->status);
}

inline void print_query(const std::string& message, const file::filesystem::AbstractProvider::directory_query_response_t& response) {
    if(response.status == file::ExecuteStatus::ERROR)
        logError(0, "{}: {} => {}", message, (int) response.error().error_type, response.error().error_message);
    else if(response.status == file::ExecuteStatus::SUCCESS) {
        const auto& entries = response.response();
        logMessage(0, "{}: Found {} entries", message, entries.size());
        for(auto& entry : entries) {
            if(entry.type == file::filesystem::DirectoryEntry::FILE)
                logMessage(0, "  - File {}", entry.name);
            else if(entry.type == file::filesystem::DirectoryEntry::DIRECTORY)
                logMessage(0, "  - Directory {}", entry.name);
            else
                logMessage(0, "  - Unknown {}", entry.name);
            logMessage(0, "    Write timestamp: {}", std::chrono::floor<std::chrono::seconds>(entry.modified_at.time_since_epoch()).count());
            logMessage(0, "    Size: {}", entry.size);
        }
    } else
        logWarning(0, "{}: Unknown response state ({})!", message, (int) response.status);
}

int main() {
    std::string error{};
    if(!file::initialize(error)) {
        logError(0, "Failed to initialize file server: {}", error);
        return 0;
    }
    logMessage(0, "File server started");
    auto instance = file::server();
    auto& fs = instance->file_system();

    {
        auto response = fs.initialize_server(0);
        response->wait();
        print_response("Server init result", response);
        if(response->status != file::ExecuteStatus::SUCCESS)
            return 0;
    }


    {
        auto response = fs.create_channel_directory(0, 2, "/");
        response->wait();
        print_response("Channel dir create A", response);
    }


    {
        auto response = fs.create_channel_directory(0, 2, "/test-folder/");
        response->wait();
        print_response("Channel dir create B", response);
    }


    {
        auto response = fs.create_channel_directory(0, 2, "../test-folder/");
        response->wait();
        print_response("Channel dir create C", response);
    }


    {
        auto response = fs.create_channel_directory(0, 2, "./test-folder/../test-folder-2");
        response->wait();
        print_response("Channel dir create D", response);
    }

    {
        auto response = fs.query_channel_directory(0, 2, "/");
        response->wait();
        print_query("Channel query", *response);
    }

    {
        auto response = fs.query_icon_directory(0);
        response->wait();
        print_query("Icons", *response);
    }

    {
        auto response = fs.query_avatar_directory(0);
        response->wait();
        print_query("Avatars", *response);
    }

    {
        auto response = fs.rename_channel_file(0, 2, "./test-folder/../test-folder-2", "./test-folder/../test-folder-3");
        response->wait();
        print_response("Folder rename A", response);
    }

    {
        auto response = fs.rename_channel_file(0, 2, "./test-folder/../test-folder-3", "./test-folder/../test-folder-2");
        response->wait();
        print_response("Folder rename B", response);
    }

    //TODO: Test file locking
    return 0;
}