#include "windows/MainWindow.h"
#include "UsctApplication.h"
#include "windows/LoginDialog.h"
#include "db/SQLHelper.h"
#include <QTextCodec>
#include <QFontDatabase>
#include <QDebug>
#include <QThread>
#include <QTimer>
#include "log/UserOperationLog.h"
#include <QTranslator>
#include <src/device/DeviceManager.h>
#include "dialogs/DialogManager.h"
#include "dialogs/MultyMessageDialogManager.h"
#include "action/AsyncAction.h"
#include "json/jsonobject.h"
#include "src/utilities/Locker.h"
#include "src/utilities/LanguageSwitcher.h"
#include "utilities/TouchScreenSignalSender.h"
#include "keyboard/KeyboardManager.h"
#include "appvals/AppGlobalValues.h"
#include "log/SystemOperationLog.h"
#include <QFileSystemWatcher>

QString loadFontFromFile(QString path)
{
    static QString font;
    static  bool loaded = false;
    if (!loaded)
    {
        loaded = true;
        int loadedFontID = QFontDatabase::addApplicationFont(path);
        QStringList loadedFontFamilies = QFontDatabase::applicationFontFamilies(loadedFontID);
        if (!loadedFontFamilies.empty())
            font = loadedFontFamilies.at(0);
    }
    return font;
}

int main(int argc, char* argv[])
{
    //QLocale::setDefault(QLocale::English);
    //qputenv("QT_IM_MODULE", QByteArray("qtvirtualkeyboard"));
#ifdef CUTE_STYLE
    //qputenv("QT_VIRTUALKEYBOARD_STYLE", QByteArray("retro"));
#endif // CUTE_STYLE

    //qputenv("QT_LOGGING_RULES", QByteArray("qt.virtualkeyboard=true"));

    const char* dicomDictPath = "/usr/local/share/dcmtk/dicom.dic";
    setenv("DCMDICTPATH", dicomDictPath, 1);
    UsctApplication a(argc, argv);
    qRegisterMetaType<QPair<QString, uint>>("QPair<QString, uint>");
    qRegisterMetaType<Qt::Orientation>("Qt::Orientation");
    qRegisterMetaType<ActionResult>("ActionResult");
    qRegisterMetaType<QMap<QString,int>>("QMap<QString,int>");

    QString layouts_path = QString(QCoreApplication::applicationDirPath()).append("/layouts");
    qputenv("QT_VIRTUALKEYBOARD_LAYOUT_PATH", QByteArray(layouts_path.toStdString().c_str()));

    QTextCodec* codec = QTextCodec::codecForName("utf8");
    QTextCodec::setCodecForLocale(codec);


    //multi-language suppport
    LanguageSwitcher::getInstance()->setDefaultLanguage(JsonObject::Instance()->defaultLanguage());
    a.installTranslator(LanguageSwitcher::getInstance()->getTranslator());


    //QString fontName = loadFontFromFile(":/fonts/MicrosoftYahei.ttf");
    QString fontName = loadFontFromFile(":/fonts/DroidSansFallback.ttf");
    QFont font(fontName);
    QApplication::setFont(font);

    QFile file(":/stylesheet/Dark2.css");
    file.open(QFile::ReadOnly);
    if (file.isOpen())
    {
        a.setStyleSheet(QLatin1String(file.readAll()));
    }
    #ifdef _DEBUG
    QFileSystemWatcher fileWatcher;
    fileWatcher.addPath("../src/stylesheet/Dark2.css");
    QObject::connect(&fileWatcher, &QFileSystemWatcher::fileChanged, [](const QString &path){
        QFile file(path);
        if (file.open(QIODevice::ReadOnly))
        {
            qobject_cast<QApplication*>(QApplication::instance())->setStyleSheet(file.readAll());
            file.close();
            qDebug()<<"style updated!";
        }
    });
    #endif
    AppGlobalValues::setDBconnected(false);
    MainWindow w;
    DialogManager::Default()->init(&w);
    UserOperationLog::Default()->init();
    SystemOperationLog::getInstance();

    QObject::connect(TouchScreenSignalSender::getInstance(), SIGNAL(touchScreen()), Locker::getInstance(), SLOT(refreshTimer()));
    QList<Qt::GestureType> gestures;
    gestures << Qt::SwipeGesture;
    gestures << Qt::PanGesture;
    w.grabGestures(gestures);

    QStringList app_args = a.arguments();
    int ret = 0;
    KeyboardManager::getInstance();
    UserOperationLog::cleanHistoryLog();
    bool sqlConnected= SQLHelper::Open();
    if (sqlConnected)
    {
        AppGlobalValues::setDBconnected(true);
    }
    w.showFullScreen();
    DeviceManager::Default()->initDevice();

    ret = a.exec();
    DeviceManager::Default()->close();
    return ret;
}