#include "Global.h"
#include "BackEnd/MainWidget.h"
#include "Widget/base/export.h"
#include "menu/BaseWidgetMenu.h"
#include <QScreen>

QVBoxLayout* create_vbox_layout(const std::vector<QWidget*>& children, QWidget *parent){
    auto ret = new QVBoxLayout(parent);
    ret->setMargin(0);
    ret->setSpacing(0);
//    ret->setSizeConstraint(QLayout::SizeConstraint::SetFixedSize);
    for(auto child : children){
        ret->addWidget(child, 1);
    }
    return ret;
}

QHBoxLayout* create_hbox_layout(const std::vector<QWidget*>& children, QWidget *parent){
    auto ret = new QHBoxLayout(parent);
    ret->setMargin(0);
    ret->setSpacing(0);
//    ret->setSizeConstraint(QLayout::SizeConstraint::SetFixedSize);
    for(auto child : children){
        ret->addWidget(child, 1);
    }
    return ret;
}

QRect get_max_rect(const QRect& rect, double WHRate){
    double w = rect.width(), h = rect.height();
    QRect ret;
    if(w/h > WHRate) {
        double should_w = h * WHRate;
        double x = (w - should_w)/2;
        ret = QRect((int)x, 0, (int)should_w, (int)h);
    } else {
        double should_h = w / WHRate;
        double y = (h - should_h)/2;
        ret = QRect(0, (int)y, (int)w, (int)should_h);
    }
    return ret;
}


int calculate_optimal_font_size(const std::vector<QString>& text_list, const QSize& space_size, const QFont& font) {
    int font_size = 1, textWidth, textHeight;
    do {
        textWidth = -1;
        textHeight = 0;
        QFontMetrics fontMetrics(QFont(font.family(), font_size));
        for(const QString& text : text_list){
            textWidth = std::max(textWidth, fontMetrics.horizontalAdvance(text));
            textHeight += fontMetrics.height();
        }
        font_size++;
    } while (textWidth < space_size.width() && textHeight < space_size.height());
    return font_size;
}

int calculate_optimal_font_size(const QString& text, const QSize& space_size, const QFont& font) {
    int font_size = 1, textWidth, textHeight;
    do {
        QFontMetrics fontMetrics(QFont(font.family(), font_size));
        textWidth = fontMetrics.horizontalAdvance(text);
        textHeight = fontMetrics.height();
        font_size++;
    } while (textWidth < space_size.width() && textHeight < space_size.height());
    return font_size;
}

Global::Global() {

}

int Global::adapt_height(int full_screen_height) {
    auto m = Main_Widget::instance();
    return (int)(double(m->height() * full_screen_height)/double(QGuiApplication::primaryScreen()->size().height()));
}

int Global::adapt_width(int full_screen_width) {
    auto m = Main_Widget::instance();
    return (int)(double(m->width() * full_screen_width)/double(QGuiApplication::primaryScreen()->size().width()));
}



QPushButton *create_button(const QString& text, int font_size,  const std::function<void(void)>& func) {
    auto button = new QPushButton(text);
    button->setDisabled(true);
    button->setFocusPolicy(Qt::NoFocus);
    button->setFlat(true);
    button->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    button->setCheckable(true);
    button->setChecked(false);
    QFont font;
    font.setPixelSize(font_size);
    button->setFont(font);
    if(func) QObject::connect(button, &QPushButton::clicked, func);
    return button;
}

QPushButton *create_click_button(const QString &text, int font_size, const std::function<void(void)> &func,
                               renderive::Roll_Object<QPushButton> *rollObject) {
    auto button = new QPushButton;
    init_click_button(button, text, font_size, func, rollObject);
    return button;
}

void init_click_button(QPushButton* button, const QString &text, int font_size, const std::function<void(void)> &func,
                      renderive::Roll_Object<QPushButton> *rollObject){
    button->setText(text);
    button->setFocusPolicy(Qt::NoFocus);
    button->setFlat(true);
    button->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    button->setCheckable(true);
    button->setChecked(false);
    QFont font;
    font.setPixelSize(font_size);
    button->setFont(font);
    if(func) QObject::connect(button, &QPushButton::clicked, [button, rollObject, func](){
            rollObject->set_cur(button);
            func();
    });
}



QPushButton* create_normal(const QString& text, int font_size, const std::function<void(void)>& func) {
    auto button = new QPushButton(text);
    button->setDisabled(true);


    button->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    button->setFocusPolicy(Qt::NoFocus);

    //button->setDefault(true);
    QFont font;
    font.setPixelSize(font_size);
    button->setFont(font);
    if(func) QObject::connect(button, &QPushButton::clicked, func);
    return button;
}


//    int cell_width = width() / 15;
//    int cell_height = height() / 32;
//    // 绘制水平线条
//    for (int row = 0; row < 33; ++row) {
//        int y = row * cell_height;
//        painter.drawLine(QPoint(0, y), QPoint(width(), y));
//    }
//    // 绘制垂直线条
//    for (int col = 0; col < 17; ++col) {
//        int x = col * cell_width;
//        painter.drawLine(QPoint(x, 0), QPoint(x, height()));
//    }