/*
 *   Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
 *   Copyright (C) 2018 by Andy Uribe CA6JAU
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "Conf.h"
#include "Log.h"

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cctype>

const int BUFFER_SIZE = 500;

enum SECTION {
  SECTION_NONE,
  SECTION_YSF_NETWORK,
  SECTION_DMR_NETWORK,
  SECTION_DMRID_LOOKUP,
  SECTION_LOG
};

CConf::CConf(const std::string& file) :
m_file(file),
m_callsign(),
m_dstAddress(),
m_dstPort(0U),
m_localAddress(),
m_localPort(0U),
m_daemon(false),
m_dmrId(0U),
m_dmrRptAddress(),
m_dmrRptPort(0U),
m_dmrLocalAddress(),
m_dmrLocalPort(0U),
m_dmrDefaultDstTG(9U),
m_dmrDebug(false),
m_dmrIdLookupFile(),
m_dmrIdLookupTime(0U),
m_logDisplayLevel(0U),
m_logFileLevel(0U),
m_logFilePath(),
m_logFileRoot()
{
}

CConf::~CConf()
{
}

bool CConf::read()
{
  FILE* fp = ::fopen(m_file.c_str(), "rt");
  if (fp == NULL) {
    ::fprintf(stderr, "Couldn't open the .ini file - %s\n", m_file.c_str());
    return false;
  }

  SECTION section = SECTION_NONE;

  char buffer[BUFFER_SIZE];
  while (::fgets(buffer, BUFFER_SIZE, fp) != NULL) {
    if (buffer[0U] == '#')
      continue;

    if (buffer[0U] == '[') {
	  if (::strncmp(buffer, "[YSF Network]", 13U) == 0)
        section = SECTION_YSF_NETWORK;
	  else if (::strncmp(buffer, "[DMR Network]", 13U) == 0)
		  section = SECTION_DMR_NETWORK;
	  else if (::strncmp(buffer, "[DMR Id Lookup]", 15U) == 0)
		  section = SECTION_DMRID_LOOKUP;
	  else if (::strncmp(buffer, "[Log]", 5U) == 0)
		  section = SECTION_LOG;
	  else
        section = SECTION_NONE;

      continue;
    }

    char* key   = ::strtok(buffer, " \t=\r\n");
    if (key == NULL)
      continue;

    char* value = ::strtok(NULL, "\r\n");
    if (value == NULL)
      continue;

    // Remove quotes from the value
    size_t len = ::strlen(value);
    if (len > 1U && *value == '"' && value[len - 1U] == '"') {
      value[len - 1U] = '\0';
      value++;
    }

	if (section == SECTION_YSF_NETWORK) {
		if (::strcmp(key, "Callsign") == 0) {
			// Convert the callsign to upper case
			for (unsigned int i = 0U; value[i] != 0; i++)
				value[i] = ::toupper(value[i]);
			m_callsign = value;
		} else if (::strcmp(key, "GatewayAddress") == 0)
			m_dstAddress = value;
		else if (::strcmp(key, "GatewayPort") == 0)
			m_dstPort = (unsigned int)::atoi(value);
		else if (::strcmp(key, "LocalAddress") == 0)
			m_localAddress = value;
		else if (::strcmp(key, "LocalPort") == 0)
			m_localPort = (unsigned int)::atoi(value);
		else if (::strcmp(key, "Daemon") == 0)
			m_daemon = ::atoi(value) == 1;
	} else if (section == SECTION_DMR_NETWORK) {
		if (::strcmp(key, "Id") == 0)
			m_dmrId = (unsigned int)::atoi(value);
		else if (::strcmp(key, "RptAddress") == 0)
			m_dmrRptAddress = value;
		else if (::strcmp(key, "RptPort") == 0)
			m_dmrRptPort = (unsigned int)::atoi(value);
		else if (::strcmp(key, "LocalAddress") == 0)
			m_dmrLocalAddress = value;
		else if (::strcmp(key, "LocalPort") == 0)
			m_dmrLocalPort = (unsigned int)::atoi(value);
		else if (::strcmp(key, "DefaultDstTG") == 0)
			m_dmrDefaultDstTG = (unsigned int)::atoi(value);
		else if (::strcmp(key, "Debug") == 0)
			m_dmrDebug = ::atoi(value) == 1;
	} else if (section == SECTION_DMRID_LOOKUP) {
		if (::strcmp(key, "File") == 0)
			m_dmrIdLookupFile = value;
		else if (::strcmp(key, "Time") == 0)
			m_dmrIdLookupTime = (unsigned int)::atoi(value);
	} else if (section == SECTION_LOG) {
		if (::strcmp(key, "FilePath") == 0)
			m_logFilePath = value;
		else if (::strcmp(key, "FileRoot") == 0)
			m_logFileRoot = value;
		else if (::strcmp(key, "FileLevel") == 0)
			m_logFileLevel = (unsigned int)::atoi(value);
		else if (::strcmp(key, "DisplayLevel") == 0)
			m_logDisplayLevel = (unsigned int)::atoi(value);
	}
  }

  ::fclose(fp);

  return true;
}

std::string CConf::getCallsign() const
{
  return m_callsign;
}

std::string CConf::getDstAddress() const
{
	return m_dstAddress;
}

unsigned int CConf::getDstPort() const
{
	return m_dstPort;
}

std::string CConf::getLocalAddress() const
{
	return m_localAddress;
}

unsigned int CConf::getLocalPort() const
{
	return m_localPort;
}

bool CConf::getDaemon() const
{
	return m_daemon;
}

unsigned int CConf::getDMRId() const
{
	return m_dmrId;
}

std::string CConf::getDMRRptAddress() const
{
	return m_dmrRptAddress;
}

unsigned int CConf::getDMRRptPort() const
{
	return m_dmrRptPort;
}

std::string CConf::getDMRLocalAddress() const
{
	return m_dmrLocalAddress;
}

unsigned int CConf::getDMRLocalPort() const
{
	return m_dmrLocalPort;
}

unsigned int CConf::getDMRDefaultDstTG() const
{
	return m_dmrDefaultDstTG;
}

bool CConf::getDMRDebug() const
{
	return m_dmrDebug;
}

std::string CConf::getDMRIdLookupFile() const
{
	return m_dmrIdLookupFile;
}

unsigned int CConf::getDMRIdLookupTime() const
{
	return m_dmrIdLookupTime;
}

unsigned int CConf::getLogDisplayLevel() const
{
	return m_logDisplayLevel;
}

unsigned int CConf::getLogFileLevel() const
{
	return m_logFileLevel;
}

std::string CConf::getLogFilePath() const
{
  return m_logFilePath;
}

std::string CConf::getLogFileRoot() const
{
  return m_logFileRoot;
}