#pragma once
#include <optional>
#include <utility>
#include "SVG.h"
#include "global.h"
struct Text {
    QFont font;
    QPen pen;
    QString text;
    Text(QString text, QPen pen = QPen(), const QFont& font = QFont()) :
        text(std::move(text)),
        pen(std::move(pen)),
        font(font) {
    }
};
// 水平布局
struct Content : Paintable {
    Text* text{};
    SVG_Image_Render* icon{};
    Layout layout;
    enum Plottable {
        Plottable_Icon,
        Plottable_Text,
    };
    [[nodiscard]] QSize sizeHint() const override {
        QSize ret{0, 0};
        ret += QSize{layout.prefix + layout.suffix, layout.second_prefix + layout.second_suffix};
        if (text) {
            QFontMetrics fm(text->font);
            ret += QSize{fm.horizontalAdvance(text->text), fm.height()};
        }
        return ret;
    }
    void set_icon(const QString& icon_path, const QColor& icon_color) {
        icon = new SVG_Image_Render();
        icon->set_path(icon_path).set_color(icon_color).create();
    }
    Content() {
        layout.set_margin(4);
        layout.main_type = Layout::Center_Space;
        layout.second_type = Layout::Center_Space;
    }
    Event_Type resize_event(QResizeEvent* e) override {
        layout.infos.clear();
        int a = qMin(e->size().width(), e->size().height());
        if (icon) {
            Layout_Info t(Plottable_Icon, Layout_Item_Type::Fixed, Layout_Item_Type2::Fixed, a, a);
            layout.infos.push_back(t);
        }
        if (text) {
            QFontMetrics fm(text->font);
            int len = fm.horizontalAdvance(text->text);
            Layout_Info t(Plottable_Text, Layout_Item_Type::Fixed, Layout_Item_Type2::Expand, len, 0);
            layout.infos.push_back(t);
        }
        layout.cacl(e->size().width(), e->size().height());
        return Event_Type::refresh;
    }
    void paint(QPainter* painter, QRect rect) override {
        painter->save();
        if (icon) {
            auto pos = layout.get(Plottable_Icon).value();
            QRect r = pos.h_rect();
            // painter->drawRect(r);
            icon->render(painter, r);
        }
        if (text) {
            painter->setPen(text->pen);
            painter->setFont(text->font);
            auto pos = layout.get(Plottable_Text).value();
            QRect r = pos.h_rect();
            // painter->drawRect(r);
            painter->drawText(r, Qt::AlignCenter, text->text);
        }
        painter->restore();
    }
};