#include "RecourceHelper.h"

#include <QApplication>
#include <QLocale>

#include <QFontDatabase>
#include <QLabel>
#include <QAbstractButton>
#include <QDebug>
#include <QFile>
#include <QAction>
#include <QWidget>

#include "config.h"
#include "common/SpdLogger.h"

template<> RecourceHelper* Singleton<RecourceHelper>::instance_ = nullptr;
RecourceHelper::RecourceHelper(QObject* parent)
    : QObject(parent) {

    Init();
}

RecourceHelper::~RecourceHelper() {
}

void RecourceHelper::OnDestory() {

}

void RecourceHelper::SetIcon(QLabel* lab, QChar c, quint32 size) {
    iconFont_.setPointSize(size);
    lab->setFont(iconFont_);
    lab->setText(c);
}

void RecourceHelper::SetIcon(QAbstractButton* btn, QChar c, quint32 size) {
    iconFont_.setPointSize(size);
    btn->setFont(iconFont_);
    btn->setText(c);
}

void RecourceHelper::OnChangeStyle() {
    QAction* act = reinterpret_cast<QAction*>(sender());
    QString skin = act->data().toString();

    ChangeSkin(skin);
}

const QString RecourceHelper::GetBasePath() const {
    return QApplication::applicationDirPath();
}

const QString RecourceHelper::GetResourcesPath() const {
    return QApplication::applicationDirPath() + "/resources";
}

const QString RecourceHelper::GetUiConfigPath() const {
#if _DEBUG
    const QString iniFile = QString("%1config/ui.ini").arg(QString(CONFIG_PATH));
#else 
    const QString appDirPath = QApplication::applicationDirPath();
    const QString iniFile = QString("%1/config/ui.ini").arg(appDirPath);
#endif
    return iniFile;
}

void RecourceHelper::ChangeSkin(const QString& skin) {
#if _DEBUG
    const QString qssFile = QString("%1skin/%2.qss").arg(QString(CONFIG_PATH)).arg(skin);
#else 
    const QString appDirPath = QApplication::applicationDirPath();
    const QString qssFile = QString("%1/config/skin/%2.qss").arg(appDirPath).arg(skin);
#endif
    QFile file(qssFile);
    if (file.open(QFile::ReadOnly | QFile::Text)) {
        QTextStream stream(&file);
        QString qss = stream.readAll();
        qss += "\nDialogTitleBar{border-top-left-radius:10px;border-top-right-radius:10px;}\n";
        qss += "QWidget#DialogContainer{border-radius:10px;background: palette(window);}\n";
        qApp->setStyleSheet(qss);
        file.close();
    }
}

void RecourceHelper::Init() {
    int fontId = QFontDatabase::addApplicationFont(":/fonts/res/fonts/fontawesome-webfont.ttf");
    QStringList fontName = QFontDatabase::applicationFontFamilies(fontId);

    if (fontName.count() > 0) {
        iconFont_ = QFont(fontName.at(0));
    } else {
        LOG_WARN("fontName count <= 0 error");
    }

    const QString appName = QApplication::applicationDisplayName();
#ifndef NDEBUG
    const QString transName = QString("./%1_%2.qm").arg(appName, QLocale().name());
#else
    const QString appDirPath = QApplication::applicationDirPath();
    const QString transName = QString("%1/translations/%2_zh_CN.qm").arg(appDirPath, appName/*, QLocale().name()*/);
#endif
    qDebug() << transName;
    bool success = trans_.load(transName);
    if (success) {
        QApplication::installTranslator(&trans_);
    } else {
        LOG_WARN("load translations error: {}", transName.toStdString());
    }

    const QString systemTransName = QString("./translations/qt_zh_CN.qm")/*.arg( QLocale::system().name())*/;
    success = systemTrans_.load(systemTransName);
    if (success) {
        QApplication::installTranslator(&systemTrans_);
    } else {
        LOG_WARN("load translations error: {}", systemTransName.toStdString());
    }
    
}

void RecourceHelper::EmitFontChanged() {
    emit FontChanged();
}

void RecourceHelper::ApplyGlobalFont(const QFont& f) {
    qApp->setFont(f);
    const QWidgetList widgets = QApplication::allWidgets();
    for (QWidget* w : widgets) {
        if (w) w->setFont(f);
    }
    EmitFontChanged();
}