#include "widgets/notebookbutton.h"
#include "colorscheme.h"
#include "widgets/fancybutton.h"

#include <QMouseEvent>
#include <QPainter>
#include <QPainterPath>
#include <QRadialGradient>

namespace chatterino {
namespace widgets {

NotebookButton::NotebookButton(QWidget *parent)
    : FancyButton(parent)
{
    setMouseEffectColor(QColor(0, 0, 0));
}

void NotebookButton::paintEvent(QPaintEvent *)
{
    QPainter painter(this);

    QColor background;
    QColor foreground;

    auto &colorScheme = ColorScheme::getInstance();

    if (_mouseDown) {
        background = colorScheme.TabSelectedBackground;
        foreground = colorScheme.TabSelectedText;
    } else if (_mouseOver) {
        background = colorScheme.TabHoverBackground;
        foreground = colorScheme.TabSelectedBackground;
    } else {
        background = colorScheme.TabPanelBackground;
        //        foreground = colorScheme.TabSelectedBackground;
        foreground = QColor(230, 230, 230);
    }

    painter.setPen(Qt::NoPen);
    painter.fillRect(this->rect(), background);

    float h = height(), w = width();

    if (icon == IconPlus) {
        painter.fillRect(
            QRectF((h / 12) * 2 + 1, (h / 12) * 5 + 1, w - ((h / 12) * 5), (h / 12) * 1),
            foreground);
        painter.fillRect(
            QRectF((h / 12) * 5 + 1, (h / 12) * 2 + 1, (h / 12) * 1, w - ((h / 12) * 5)),
            foreground);
    } else if (icon == IconUser) {
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setRenderHint(QPainter::HighQualityAntialiasing);

        auto a = w / 8;
        QPainterPath path;

        path.arcMoveTo(a, 4 * a, 6 * a, 6 * a, 0);
        path.arcTo(a, 4 * a, 6 * a, 6 * a, 0, 180);

        painter.fillPath(path, foreground);

        painter.setBrush(background);
        painter.drawEllipse(2 * a, 1 * a, 4 * a, 4 * a);

        painter.setBrush(foreground);
        painter.drawEllipse(2.5 * a, 1.5 * a, 3 * a + 1, 3 * a);
    } else  // IconSettings
    {
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setRenderHint(QPainter::HighQualityAntialiasing);

        auto a = w / 8;
        QPainterPath path;

        path.arcMoveTo(a, a, 6 * a, 6 * a, 0 - (360 / 32.0));

        for (int i = 0; i < 8; i++) {
            path.arcTo(a, a, 6 * a, 6 * a, i * (360 / 8.0) - (360 / 32.0), (360 / 32.0));
            path.arcTo(2 * a, 2 * a, 4 * a, 4 * a, i * (360 / 8.0) + (360 / 32.0), (360 / 32.0));
        }

        painter.fillPath(path, foreground);

        painter.setBrush(background);
        painter.drawEllipse(3 * a, 3 * a, 2 * a, 2 * a);
    }

    fancyPaint(painter);
}

void NotebookButton::mouseReleaseEvent(QMouseEvent *event)
{
    if (event->button() == Qt::LeftButton) {
        _mouseDown = false;

        update();

        emit clicked();
    }

    FancyButton::mouseReleaseEvent(event);
}
}
}