#include <QApplication>
#include <QTimer>
#include <QDir>
#include <QFile>
#include <QDateTime>
#include <QMutex>

#include "ElaApplication.h"
#include "ElaTheme.h"
#include "MainWindow.h"
#include "CardData.h"
#include "SettingsManager.h"
#include "SoundManager.h"
#include "UpdateChecker.h"

static QFile* g_logFile = nullptr;
static QMutex g_logMutex;

void messageHandler(QtMsgType type, const QMessageLogContext& ctx, const QString& msg) {
    Q_UNUSED(ctx)
    QMutexLocker lock(&g_logMutex);
    QString level;
    switch (type) {
        case QtDebugMsg:    level = "DEBUG"; break;
        case QtInfoMsg:     level = "INFO"; break;
        case QtWarningMsg:  level = "WARN"; break;
        case QtCriticalMsg: level = "ERROR"; break;
        case QtFatalMsg:    level = "FATAL"; break;
    }
    QString line = QStringLiteral("[%1] [%2] %3\n")
        .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz"), level, msg);
#ifndef QT_NO_DEBUG_OUTPUT
    fprintf(stderr, "%s", line.toLocal8Bit().constData());
#endif
    if (g_logFile && g_logFile->isOpen())
        g_logFile->write(line.toUtf8());
}

int main(int argc, char* argv[])
{
    QApplication a(argc, argv);
    a.setApplicationVersion(APP_VERSION);

    QString logDir = QCoreApplication::applicationDirPath() + "/logs";
    QDir().mkpath(logDir);
    QString logPath = logDir + "/" + QDateTime::currentDateTime().toString("yyyy-MM-dd_HHmmss") + ".log";
    g_logFile = new QFile(logPath);
    g_logFile->open(QIODevice::WriteOnly | QIODevice::Append);
    qInstallMessageHandler(messageHandler);

    QDir logClean(logDir);
    for (const auto& f : logClean.entryList({"*.log"}, QDir::Files)) {
        QFileInfo fi(logDir + "/" + f);
        if (fi.lastModified().daysTo(QDateTime::currentDateTime()) > 7)
            QFile::remove(fi.absoluteFilePath());
    }

    eApp->init();
    eTheme->setThemeMode(ElaThemeType::Dark);

    SettingsManager::instance().load();
    SoundManager::instance().init();

    CardDatabase::instance().loadFromFile(
        QCoreApplication::applicationDirPath() + "/config/cards.json");

    MainWindow w;
    w.show();

    QTimer::singleShot(2000, [&]() {
        auto server = SettingsManager::instance().getString("network", "server_address");
        if (!server.isEmpty())
            UpdateChecker::instance().checkForUpdate(server, true);
    });

    return QApplication::exec();
}