/*
 * This file is part of the Colobot: Gold Edition source code
 * Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
 * http://epsitec.ch; http://colobot.info; http://github.com/colobot
 *
 * 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 3 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, see http://gnu.org/licenses
 */


#include "common/logger.h"
#include "common/version.h"

#include <stdio.h>

CLogger::CLogger()
{
    m_logLevel = Version::DEVELOPMENT_BUILD
        ? LOG_DEBUG
        : LOG_INFO;
}

CLogger::~CLogger()
{
    for (FILE* out : m_outputs)
    {
        fclose(out);
    }
}

void CLogger::Log(LogLevel type, const char* str, va_list args)
{
    if (type < m_logLevel)
        return;

    for (FILE* out : m_outputs)
    {
        switch (type)
        {
            case LOG_TRACE:
                fprintf(out, "[TRACE]: ");
                break;
            case LOG_DEBUG:
                fprintf(out, "[DEBUG]: ");
                break;
            case LOG_WARN:
                fprintf(out, "[WARN]: ");
                break;
            case LOG_INFO:
                fprintf(out, "[INFO]: ");
                break;
            case LOG_ERROR:
                fprintf(out, "[ERROR]: ");
                break;
            default:
                break;
        }

        va_list args2;
        va_copy(args2, args);
        vfprintf(out, str, args2);
        va_end(args2);
    }
}

void CLogger::Trace(const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(LOG_TRACE, str, args);
    va_end(args);
}

void CLogger::Debug(const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(LOG_DEBUG, str, args);
    va_end(args);
}

void CLogger::Info(const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(LOG_INFO, str, args);
    va_end(args);
}

void CLogger::Warn(const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(LOG_WARN, str, args);
    va_end(args);
}

void CLogger::Error(const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(LOG_ERROR, str, args);
    va_end(args);
}

void CLogger::Message(const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(LOG_NONE, str, args);
    va_end(args);
}

void CLogger::Log(LogLevel logLevel, const char* str, ...)
{
    va_list args;
    va_start(args, str);
    Log(logLevel, str, args);
    va_end(args);
}

void CLogger::AddOutput(FILE* file)
{
    assert(file != nullptr);
    m_outputs.push_back(file);
}

void CLogger::SetLogLevel(LogLevel level)
{
    m_logLevel = level;
}

bool CLogger::ParseLogLevel(const std::string& str, LogLevel& logLevel)
{
    if (str == "trace")
    {
        logLevel = LOG_TRACE;
        return true;
    }
    else if (str == "debug")
    {
        logLevel = LOG_DEBUG;
        return true;
    }
    else if (str == "info")
    {
        logLevel = LOG_INFO;
        return true;
    }
    else if (str == "warn")
    {
        logLevel = LOG_WARN;
        return true;
    }
    else if (str == "error")
    {
        logLevel = LOG_ERROR;
        return true;
    }
    else if (str == "none")
    {
        logLevel = LOG_NONE;
        return true;
    }

    return false;
}