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#include "qtcreatorcrashhandler/crashhandlersetup.h"
#include "chatmanage.h"
#include "sqlconversationmodel.h"
#include "allsqlconversationmodel.h"
#include "sqlcontactmodel.h"
#include "qrcode/cpp/qrddencode.h"

#include <QGuiApplication>
#include <QStandardPaths>
#include <QSqlDatabase>
#include <QSqlError>
#include <QtQml>
#include <QQuickStyle>
#include <QObject>
#include <QIcon>
#include <QSplashScreen>

static void connectToDatabase()
{
    QSqlDatabase database = QSqlDatabase::database();
    if (!database.isValid()) {
        database = QSqlDatabase::addDatabase("QSQLITE");
        if (!database.isValid())
            qFatal("Cannot add database: %s", qPrintable(database.lastError().text()));
    }

    const QDir writeDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
    if (!writeDir.mkpath("."))
        qFatal("Failed to create writable directory at %s", qPrintable(writeDir.absolutePath()));

    // Ensure that we have a writable location on all devices.
    const QString fileName = writeDir.currentPath() + "/chat-database.sqlite3";//writeDir.absolutePath() + "/chat-database.sqlite3";
    qDebug()<<"file:"<<fileName;
    // When using the SQLite driver, open() will create the SQLite database if it doesn't exist.
    database.setDatabaseName(fileName);
    if (!database.open()) {
        qFatal("Cannot open database: %s", qPrintable(database.lastError().text()));
        QFile::remove(fileName);
    }
}

int main(int argc, char *argv[])
{
    QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
    // High DPI scaling is enabled by default from Qt 6
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
    // Windows: we are using the manifest file to get maximum compatibility
    // because some APIs are not supprted on old systems such as Windows 7
    // and Windows 8. And once we have set the DPI awareness level in the
    // manifest file, any attemptation to try to change it through API will
    // fail. In other words, Qt won't be able to enable or disable high DPI
    // scaling or change the DPI awareness level once we have set it in the
    // manifest file. So the following two lines are uesless actually (However,
    // they are still useful on other platforms).
    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
    // Don't round the scale factor.
    // This will break QWidget applications because they can't render correctly.
    // Qt Quick applications won't have this issue.
    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
#endif
//    QCoreApplication::setAttribute(Qt::AA_UseOpenGLES);
    QGuiApplication app(argc,argv);

    const QString libexecPath = QCoreApplication::applicationDirPath()
                                + '/' + RELATIVE_LIBEXEC_PATH;
    // Display a backtrace once a serious signal is delivered (Linux only).
    CrashHandlerSetup setupCrashHandler("Chat",
                                        CrashHandlerSetup::EnableRestart, libexecPath);

    qSetMessagePattern("%{time [yyyy-MM-dd hh:mm:ss.zzz]}:%{file}(%{function}):%{line}:%{message}");
    QQuickStyle::setStyle("Material");

    connectToDatabase();

    QQmlApplicationEngine engine;

    SqlConversationModel sqlModel;
    AllSqlConversationModel sqlAllModel(nullptr,&sqlModel);
    SqlContactModel sqlContact;
    ChatManage chatManage(nullptr,&sqlAllModel,&sqlContact);
    //QREnCode qrCode;


    engine.rootContext()->setContextProperty("ChatManage", &chatManage);
    engine.rootContext()->setContextProperty("SqlConversationModel", &sqlModel);
    engine.rootContext()->setContextProperty("SqlConversationAll", &sqlAllModel);
    engine.rootContext()->setContextProperty("SqlContactModel", &sqlContact);

    qmlRegisterType<QREnCode>("QRCode", 1, 0, "QtQuick2QREncode");
    //engine.rootContext()->setContextProperty("QRCode", &qrCode);

    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
    if (engine.rootObjects().isEmpty())
        return -1;

    return app.exec();
}