//#include <QtCore>
#include <QCoreApplication>
#include <QSysInfo>
#include <QDir>
#include <QCommandLineParser>

#include "comic_db.h"
#include "db_helper.h"
#include "startup.h"
#include "yacreader_global.h"
#include "yacreader_libraries.h"
#include "yacreader_local_server.h"

#include "console_ui_library_creator.h"

#include <iostream>

#include "QsLog.h"
#include "QsLogDest.h"

using namespace QsLogging;
//Returns false in case of a parse error (unknown option or missing value); returns true otherwise.


void logSystemAndConfig()
{
    QLOG_INFO() << "---------- System & configuration ----------";
    QLOG_INFO() << "OS:" << QSysInfo::prettyProductName() << "Version: " << QSysInfo::productVersion();
    QLOG_INFO() << "Kernel:" << QSysInfo::kernelType() << QSysInfo::kernelVersion() << "Architecture:" << QSysInfo::currentCpuArchitecture();
    /* TODO: qrencode could be helpfull for showing a qr code in the web client for client devices
#if defined Q_OS_UNIX && !defined Q_OS_MAC
    if(QFileInfo(QString(BINDIR)+"/qrencode").exists())
#else
    if(QFileInfo(QCoreApplication::applicationDirPath()+"/utils/qrencode.exe").exists() || QFileInfo("./util/qrencode").exists())
#endif
        QLOG_INFO() << "qrencode : found";
    else
        QLOG_INFO() << "qrencode : not found";
        */

    QLOG_INFO() << "Libraries: " << DBHelper::getLibraries().getLibraries();
    QLOG_INFO() << "--------------------------------------------";
}

int main( int argc, char ** argv )
{
    QCoreApplication app(argc, argv);

    app.setApplicationName("YACReaderLibrary");
    app.setOrganizationName("YACReader");
    app.setApplicationVersion(VERSION);

    QTextStream qout(stdout);

    //general help
    QTranslator translator;
    QString sufix = QLocale::system().name();

    #if defined Q_OS_UNIX && !defined Q_OS_MAC
      translator.load(QString(DATADIR)+"/yacreader/languages/yacreaderlibrary_"+sufix);
    #else
      translator.load(QCoreApplication::applicationDirPath()+"/languages/yacreaderlibrary_"+sufix);
    #endif
      app.installTranslator(&translator);

    QCommandLineParser parser;
    parser.setApplicationDescription(QCoreApplication::tr("\nYACReaderLibraryServer is the headless (no gui) version of YACReaderLibrary"));
    parser.addHelpOption();
    const QCommandLineOption versionOption = parser.addVersionOption();
    parser.addPositionalArgument("command", "The command to execute. [start, create-library, update-library, add-library, remove-library, list-libraries]");
    parser.parse(app.arguments());

    const QStringList args = parser.positionalArguments();
    const QString command = args.isEmpty() ? QString() : args.first();

    if(parser.isSet(versionOption))
    {
        qout << "YACReaderLibraryServer" << " " << VERSION << endl;

        return 0;
    }

    if(command == "start")
    {
        parser.clearPositionalArguments();
        parser.addPositionalArgument("start", "Start YACReaderLibraryServer");
        parser.process(app);

        QString destLog = YACReader::getSettingsPath()+"/yacreaderlibrary.log";
        QDir().mkpath(YACReader::getSettingsPath());

        Logger& logger = Logger::instance();
        logger.setLoggingLevel(QsLogging::InfoLevel);

        DestinationPtr fileDestination(DestinationFactory::MakeFileDestination(
                                           destLog, EnableLogRotation, MaxSizeBytes(1048576), MaxOldLogCount(2)));
        DestinationPtr debugDestination(DestinationFactory::MakeDebugOutputDestination());
        logger.addDestination(debugDestination);
        logger.addDestination(fileDestination);

        QTranslator translator;
        QString sufix = QLocale::system().name();
    #if defined Q_OS_UNIX && !defined Q_OS_MAC
        translator.load(QString(DATADIR)+"/yacreader/languages/yacreaderlibrary_"+sufix);
    #else
        translator.load(QCoreApplication::applicationDirPath()+"/languages/yacreaderlibrary_"+sufix);
    #endif
        app.installTranslator(&translator);

        QTranslator viewerTranslator;
    #if defined Q_OS_UNIX && !defined Q_OS_MAC
        viewerTranslator.load(QString(DATADIR)+"/yacreader/languages/yacreader_"+sufix);
    #else
        viewerTranslator.load(QCoreApplication::applicationDirPath()+"/languages/yacreader_"+sufix);
    #endif
        app.installTranslator(&viewerTranslator);

        qRegisterMetaType<ComicDB>("ComicDB");

        QSettings * settings = new QSettings(YACReader::getSettingsPath()+"/"+QCoreApplication::applicationName()+".ini",QSettings::IniFormat);
        settings->beginGroup("libraryConfig");

        //server
        Startup *s = new Startup();
        s->start();

        QLOG_INFO() << "YACReaderLibraryServer attempting to start";

        logSystemAndConfig();

        if(YACReaderLocalServer::isRunning()) //s�lo se permite una instancia de YACReaderLibrary
        {
            QLOG_WARN() << "another instance of YACReaderLibrary is running";
            QsLogging::Logger::destroyInstance();
            return 0;
        }
        QLOG_INFO() << "YACReaderLibrary starting";

        YACReaderLocalServer * localServer = new YACReaderLocalServer();

        int ret = app.exec();

        QLOG_INFO() << "YACReaderLibrary closed with exit code :" << ret;

        //shutdown
        s->stop();
        delete s;
        localServer->close();
        delete localServer;

        QsLogging::Logger::destroyInstance();

        return ret;
    }
    else if(command == "create-library")
    {
        parser.clearPositionalArguments();
        parser.addPositionalArgument("create-library", "Creates a library named \"name\" in the specified destination <path>");
        parser.addPositionalArgument("name", "Library name", "\"name\"");
        parser.addPositionalArgument("path", "Path to the folder where the library will be created", "<path>");
        parser.process(app);

        const QStringList args = parser.positionalArguments();
        if(args.length() != 3)
        {
            parser.showHelp();
            return 0;
        }

        ConsoleUILibraryCreator * libraryCreatorUI = new ConsoleUILibraryCreator;
        libraryCreatorUI->createLibrary(args.at(1), args.at(2));

        return 0;
    }
    else if(command == "update-library")
    {
        parser.clearPositionalArguments();
        parser.addPositionalArgument("update-library", "Updates an existing library at <path>");
        parser.addPositionalArgument("path", "Path to the library to be updated", "<path>");
        parser.process(app);

        const QStringList args = parser.positionalArguments();
        if(args.length() != 2)
        {
            parser.showHelp();
            return 0;
        }

        ConsoleUILibraryCreator * libraryCreatorUI = new ConsoleUILibraryCreator;
        libraryCreatorUI->updateLibrary(args.at(1));

        return 0;
    }
    else if(command == "add-library")
    {
        parser.clearPositionalArguments();
        parser.addPositionalArgument("add-library", "Adds an exiting library named \"name\" at the specified origin <path>");
        parser.addPositionalArgument("name", "Library name", "\"name\"");
        parser.addPositionalArgument("path", "Path to the folder where the library is", "<path>");
        parser.process(app);

        const QStringList args = parser.positionalArguments();
        if(args.length() != 3)
        {
            parser.showHelp();
            return 0;
        }

        ConsoleUILibraryCreator * libraryCreatorUI = new ConsoleUILibraryCreator;
        libraryCreatorUI->addExistingLibrary(args.at(1), args.at(2));

        return 0;
    }
    else if(command == "remove-library")
    {
        parser.clearPositionalArguments();
        parser.addPositionalArgument("remove-library", "Removes a library named \"name\" from the list of libraries");
        parser.addPositionalArgument("name", "Library name", "\"name\"");
        parser.process(app);

        const QStringList args = parser.positionalArguments();
        if(args.length() != 2)
        {
            parser.showHelp();
            return 0;
        }

        ConsoleUILibraryCreator * libraryCreatorUI = new ConsoleUILibraryCreator;
        libraryCreatorUI->removeLibrary(args.at(1));

        return 0;
    }
    else if(command == "list-libraries")
    {
        parser.clearPositionalArguments();
        parser.addPositionalArgument("list-libraries", "List all available libraries");
        parser.process(app);

        YACReaderLibraries libraries = DBHelper::getLibraries();
        for(QString libraryName : libraries.getNames())
            qout << libraryName << " : " << libraries.getPath(libraryName) << endl;

        return 0;
    }
    else //error
    {
        parser.process(app);
        parser.showHelp();
        return 0;
    }
}