#ifndef GRIDPREVIEW_H
#define GRIDPREVIEW_H

#include <QWidget>
#include <QPainter>
#include <QMouseEvent>
#include <iostream>
#include "line.h"

class GridPreview : public QWidget
{
    Q_OBJECT
    int width = 5, height = 5;
    QVector<Line> lines {};
    QMap<QString, QColor> colorMap;
    const QString tableTemplate = "return {\n    width = %1,\n    height = %2,\n    lines = {\n%3\n    }\n}";

    bool mouseCaptured = false;
public:
    explicit GridPreview(QWidget *parent = nullptr);
    void setSize(int newWidth, int newHeight);

    void addLine(Line &line);
    void removeLine(int index);

    void setLineColor(int index, QString color);
    void setLineStartPoint(int index, int x, int y);
    void setLineEndPoint(int index, int x, int y);

    int getWidth();
    int getHeight();
    const Line& getLine(int index);

    const QString toLuaTable();
    void paintEvent(QPaintEvent* event);
    const QColor colorFromString(const QString color);

    void mouseMoveEvent(QMouseEvent* event);
    void mousePressEvent(QMouseEvent* event);
    void mouseReleaseEvent(QMouseEvent* event);

    const QPoint localMousePosition(QMouseEvent* event);
    const QPoint snapToGrid(int x, int y);
signals:
    void updatedContents();
};

#endif // GRIDPREVIEW_H