#include "APP/APP_Theme.h"

#include <QtGui/QFontDatabase>
#include <QtWidgets/QApplication>

namespace APP {

QPalette APP_Theme::App_Func_GetPalette()
{
    QPalette Palette;

    const QColor WindowColor(20, 25, 33);
    const QColor BaseColor(28, 34, 42);
    const QColor AltBaseColor(34, 40, 49);
    const QColor ButtonColor(38, 44, 54);
    const QColor BorderHintColor(86, 96, 108);
    const QColor HighlightColor(72, 184, 162);
    const QColor TextColor(238, 242, 247);
    const QColor DimTextColor(162, 170, 182);

    Palette.setColor(QPalette::Window, WindowColor);
    Palette.setColor(QPalette::WindowText, TextColor);
    Palette.setColor(QPalette::Base, BaseColor);
    Palette.setColor(QPalette::AlternateBase, AltBaseColor);
    Palette.setColor(QPalette::Text, TextColor);
    Palette.setColor(QPalette::Button, ButtonColor);
    Palette.setColor(QPalette::ButtonText, TextColor);
    Palette.setColor(QPalette::BrightText, QColor(255, 255, 255));
    Palette.setColor(QPalette::Light, BorderHintColor.lighter(120));
    Palette.setColor(QPalette::Midlight, BorderHintColor);
    Palette.setColor(QPalette::Mid, BorderHintColor.darker(120));
    Palette.setColor(QPalette::Dark, WindowColor.darker(140));
    Palette.setColor(QPalette::Shadow, QColor(0, 0, 0, 140));
    Palette.setColor(QPalette::Highlight, HighlightColor);
    Palette.setColor(QPalette::HighlightedText, TextColor);
    Palette.setColor(QPalette::ToolTipBase, BaseColor);
    Palette.setColor(QPalette::ToolTipText, TextColor);
    Palette.setColor(QPalette::Link, QColor(103, 146, 224));
    Palette.setColor(QPalette::PlaceholderText, QColor(170, 178, 188, 170));
    Palette.setColor(QPalette::Disabled, QPalette::WindowText, DimTextColor);
    Palette.setColor(QPalette::Disabled, QPalette::Text, DimTextColor);
    Palette.setColor(QPalette::Disabled, QPalette::ButtonText, DimTextColor);
    Palette.setColor(QPalette::Disabled, QPalette::Base, QColor(30, 35, 43));
    Palette.setColor(QPalette::Disabled, QPalette::Button, QColor(34, 40, 49));
    Palette.setColor(QPalette::Disabled, QPalette::Window, QColor(24, 29, 36));
    Palette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(60, 68, 78));
    Palette.setColor(QPalette::Disabled, QPalette::HighlightedText, DimTextColor);

    return Palette;
}

QString APP_Theme::App_Func_GetStyleSheet()
{
    return QStringLiteral(R"(
QWidget {
    color: #eef2f7;
    background-color: transparent;
}
QTabWidget::pane {
    border: 0;
    background: transparent;
}
QTabBar::tab {
    background: rgba(56, 64, 76, 0.78);
    color: #b9c3cf;
    border: 1px solid #5d6a78;
    border-bottom: none;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    padding: 8px 18px;
    margin-right: 6px;
    min-width: 92px;
}
QTabBar::tab:selected {
    background: #2d3742;
    color: #f7fbff;
}
QTabBar::tab:hover:!selected {
    background: #394553;
    color: #eff4f8;
}
QPushButton {
    background: #303947;
    color: #eff4f8;
    border: 1px solid #667587;
    border-radius: 8px;
    padding: 8px 14px;
    min-height: 18px;
}
QPushButton:hover {
    background: #384354;
    border-color: #7b8da1;
}
QPushButton:pressed {
    background: #25303b;
}
QPushButton:disabled {
    background: #252c35;
    color: #7d8794;
    border-color: #414b58;
}
QLineEdit,
QPlainTextEdit,
QTableWidget,
QComboBox,
QSpinBox {
    background: #1d242d;
    color: #edf3f8;
    border: 1px solid #4f5d6d;
    border-radius: 8px;
    selection-background-color: #48b8a2;
    selection-color: #102022;
}
QLineEdit,
QComboBox,
QSpinBox {
    padding: 6px 8px;
}
QPlainTextEdit,
QTableWidget {
    border-radius: 10px;
}
QHeaderView::section {
    background: #313b49;
    color: #d8e0e8;
    border: none;
    border-bottom: 1px solid #4f5d6d;
    padding: 7px 8px;
}
QTableCornerButton::section {
    background: #313b49;
    border: none;
    border-bottom: 1px solid #4f5d6d;
}
QTableWidget {
    alternate-background-color: #232b35;
    gridline-color: #2f3945;
}
QTableWidget::item {
    padding: 4px 6px;
}
QScrollBar:vertical {
    background: transparent;
    width: 10px;
    margin: 4px 0 4px 0;
}
QScrollBar::handle:vertical {
    background: #53606f;
    min-height: 28px;
    border-radius: 5px;
}
QScrollBar::add-line:vertical,
QScrollBar::sub-line:vertical,
QScrollBar::add-page:vertical,
QScrollBar::sub-page:vertical {
    background: transparent;
    height: 0;
}
QMenu {
    background: #1f262f;
    color: #eef2f7;
    border: 1px solid #53606f;
    padding: 6px;
}
QMenu::item {
    padding: 7px 14px;
    border-radius: 6px;
}
QMenu::item:selected {
    background: #33404d;
}
)");
}

QFont APP_Theme::App_Func_GetBodyFont()
{
    QFont Font(App_Func_PickFontFamily(QStringList()
        << QStringLiteral("Segoe UI Variable Text")
        << QStringLiteral("Microsoft YaHei UI")
        << QStringLiteral("Segoe UI")
        << QStringLiteral("Bahnschrift")));
    Font.setPointSize(10);
    Font.setWeight(QFont::Medium);
    return Font;
}

QFont APP_Theme::App_Func_GetMetricFont()
{
    QFont Font(App_Func_PickFontFamily(QStringList()
        << QStringLiteral("Bahnschrift SemiBold")
        << QStringLiteral("Segoe UI Semibold")
        << QStringLiteral("Microsoft YaHei UI")));
    Font.setPointSize(12);
    Font.setWeight(QFont::DemiBold);
    return Font;
}

QFont APP_Theme::App_Func_GetKeyLabelFont()
{
    QFont Font(App_Func_PickFontFamily(QStringList()
        << QStringLiteral("Bahnschrift SemiBold")
        << QStringLiteral("Segoe UI Semibold")
        << QStringLiteral("Microsoft YaHei UI")));
    Font.setPointSize(22);
    return Font;
}

QFont APP_Theme::App_Func_GetKeyHintFont()
{
    QFont Font(App_Func_PickFontFamily(QStringList()
        << QStringLiteral("Segoe UI Semibold")
        << QStringLiteral("Bahnschrift SemiBold")
        << QStringLiteral("Microsoft YaHei UI")));
    Font.setPointSize(8);
    Font.setLetterSpacing(QFont::AbsoluteSpacing, 1.0);
    return Font;
}

QString APP_Theme::App_Func_PickFontFamily(const QStringList& FamilyList)
{
    const QFontDatabase Database;
    const QStringList AvailableFamilyList = Database.families();

    for (const QString& Family : FamilyList)
    {
        if (AvailableFamilyList.contains(Family))
        {
            return Family;
        }
    }

    return QApplication::font().family();
}

} // namespace APP