/*
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/// \addtogroup mangosd Mangos Daemon
/// @{
/// \file

#include "Common.h"
#include "Database/DatabaseEnv.h"
#include "Config/Config.h"
#include "ProgressBar.h"
#include "Log.h"
#include "Master.h"
#include "SystemConfig.h"
#include "revision.h"
#include "revision_nr.h"
#include <openssl/opensslv.h>
#include <openssl/crypto.h>
#include <ace/Version.h>
#include <ace/Get_Opt.h>

#ifdef WIN32
#include "ServiceWin32.h"
char serviceName[] = "mangosd";
char serviceLongName[] = "MaNGOS world service";
char serviceDescription[] = "Massive Network Game Object Server";
/*
 * -1 - not in service mode
 *  0 - stopped
 *  1 - running
 *  2 - paused
 */
int m_ServiceStatus = -1;
#else
#include "PosixDaemon.h"
#endif

DatabaseType WorldDatabase;                                 ///< Accessor to the world database
DatabaseType CharacterDatabase;                             ///< Accessor to the character database
DatabaseType LoginDatabase;                                 ///< Accessor to the realm/login database

uint32 realmID;                                             ///< Id of the realm

/// Print out the usage string for this program on the console.
void usage(const char *prog)
{
    sLog.outString("Usage: \n %s [<options>]\n"
        "    -v, --version            print version and exist\n\r"
        "    -c config_file           use config_file as configuration file\n\r"
        #ifdef WIN32
        "    Running as service functions:\n\r"
        "    -s run                   run as service\n\r"
        "    -s install               install service\n\r"
        "    -s uninstall             uninstall service\n\r"
        #else
        "    Running as daemon functions:\n\r"
        "    -s run                   run as daemon\n\r"
        "    -s stop                  stop daemon\n\r"
        #endif
        ,prog);
}

/// Launch the mangos server
extern int main(int argc, char **argv)
{
    ///- Command line parsing
    char const* cfg_file = _MANGOSD_CONFIG;


    char const *options = ":c:s:";

    ACE_Get_Opt cmd_opts(argc, argv, options);
    cmd_opts.long_option("version", 'v');

#ifndef WIN32                                               // need call before options for posix daemon
    if (!sConfig.SetSource(cfg_file))
    {
        sLog.outError("Could not find configuration file %s.", cfg_file);
        Log::WaitBeforeContinueIfNeed();
        return 1;
    }
#endif

    int option;
    while ((option = cmd_opts()) != EOF)
    {
        switch (option)
        {
            case 'c':
                cfg_file = cmd_opts.opt_arg();
                break;
            case 'v':
                printf("%s\n", _FULLVERSION(REVISION_DATE,REVISION_TIME,REVISION_NR,REVISION_ID));
                return 0;
            case 's':
                        {
#ifdef WIN32
                const char *mode = cmd_opts.opt_arg();

                if (!strcmp(mode, "install"))
                {
                    if (WinServiceInstall())
                        sLog.outString("Installing service");
                    return 1;
                }
                else if (!strcmp(mode, "uninstall"))
                {
                    if (WinServiceUninstall())
                        sLog.outString("Uninstalling service");
                    return 1;
                }
                else if (!strcmp(mode, "run"))
                    WinServiceRun();
                else
                {
                    sLog.outError("Runtime-Error: -%c unsupported argument %s", cmd_opts.opt_opt(), mode);
                    usage(argv[0]);
                    Log::WaitBeforeContinueIfNeed();
                    return 1;
                }
                break;
#else
                const char *mode = cmd_opts.opt_arg();
                if (!strcmp(mode, "run"))
                    startDaemon(120);
                else if (!strcmp(mode, "stop"))
                    stopDaemon();
                else
                {
                    sLog.outError("Runtime-Error: -%c unsupported argument %s", cmd_opts.opt_opt(), mode);
                    usage(argv[0]);
                    Log::WaitBeforeContinueIfNeed();
                    return 1;
                }
#endif
            }
            break;
            case ':':
                sLog.outError("Runtime-Error: -%c option requires an input argument", cmd_opts.opt_opt());
                usage(argv[0]);
                Log::WaitBeforeContinueIfNeed();
                return 1;
            default:
                sLog.outError("Runtime-Error: bad format of commandline arguments");
                usage(argv[0]);
                Log::WaitBeforeContinueIfNeed();
                return 1;
        }
    }

#ifdef WIN32                                                // need call after options for windows service
    if (!sConfig.SetSource(cfg_file))
    {
        sLog.outError("Could not find configuration file %s.", cfg_file);
        Log::WaitBeforeContinueIfNeed();
        return 1;
    }
#endif

    sLog.outString( "%s [world-daemon]", _FULLVERSION(REVISION_DATE,REVISION_TIME,REVISION_NR,REVISION_ID) );
    sLog.outString( "<Ctrl-C> to stop.\n\n" );

    sLog.outTitle( "MM   MM         MM   MM  MMMMM   MMMM   MMMMM");
    sLog.outTitle( "MM   MM         MM   MM MMM MMM MM  MM MMM MMM");
    sLog.outTitle( "MMM MMM         MMM  MM MMM MMM MM  MM MMM");
    sLog.outTitle( "MM M MM         MMMM MM MMM     MM  MM  MMM");
    sLog.outTitle( "MM M MM  MMMMM  MM MMMM MMM     MM  MM   MMM");
    sLog.outTitle( "MM M MM M   MMM MM  MMM MMMMMMM MM  MM    MMM");
    sLog.outTitle( "MM   MM     MMM MM   MM MM  MMM MM  MM     MMM");
    sLog.outTitle( "MM   MM MMMMMMM MM   MM MMM MMM MM  MM MMM MMM");
    sLog.outTitle( "MM   MM MM  MMM MM   MM  MMMMMM  MMMM   MMMMM");
    sLog.outTitle( "        MM  MMM http://getmangos.com");
    sLog.outTitle( "        MMMMMM\n\n");

    sLog.outString("Using configuration file %s.", cfg_file);

    DETAIL_LOG("%s (Library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));
    if (SSLeay() < 0x009080bfL )
    {
        DETAIL_LOG("WARNING: Outdated version of OpenSSL lib. Logins to server may not work!");
        DETAIL_LOG("WARNING: Minimal required version [OpenSSL 0.9.8k]");
    }

    DETAIL_LOG("Using ACE: %s", ACE_VERSION);

    ///- Set progress bars show mode
    barGoLink::SetOutputState(sConfig.GetBoolDefault("ShowProgressBars", true));

    ///- and run the 'Master'
    /// \todo Why do we need this 'Master'? Can't all of this be in the Main as for Realmd?
    return sMaster.Run();

    // at sMaster return function exist with codes
    // 0 - normal shutdown
    // 1 - shutdown at error
    // 2 - restart command used, this code can be used by restarter for restart mangosd
}

/// @}