#ifndef BATTERY_H
#define BATTERY_H

#include <QWidget>

class BatteryWidget : public QWidget
{
	Q_OBJECT

		Q_PROPERTY(double minValue READ getMinValue WRITE setMinValue)
		Q_PROPERTY(double maxValue READ getMaxValue WRITE setMaxValue)
		Q_PROPERTY(double value READ getValue WRITE setValue)
		Q_PROPERTY(double alarmValue READ getAlarmValue WRITE setAlarmValue)

		Q_PROPERTY(double step READ getStep WRITE setStep)
		Q_PROPERTY(int borderWidth READ getBorderWidth WRITE setBorderWidth)
		Q_PROPERTY(int borderRadius READ getBorderRadius WRITE setBorderRadius)
		Q_PROPERTY(int bgRadius READ getBgRadius WRITE setBgRadius)
		Q_PROPERTY(int headRadius READ getHeadRadius WRITE setHeadRadius)

		Q_PROPERTY(QColor borderColorStart READ getBorderColorStart WRITE setBorderColorStart)
		Q_PROPERTY(QColor borderColorEnd READ getBorderColorEnd WRITE setBorderColorEnd)

		Q_PROPERTY(QColor alarmColorStart READ getAlarmColorStart WRITE setAlarmColorStart)
		Q_PROPERTY(QColor alarmColorEnd READ getAlarmColorEnd WRITE setAlarmColorEnd)

		Q_PROPERTY(QColor normalColorStart READ getNormalColorStart WRITE setNormalColorStart)
		Q_PROPERTY(QColor normalColorEnd READ getNormalColorEnd WRITE setNormalColorEnd)

public:
	explicit BatteryWidget(QWidget* parent = nullptr);
	~BatteryWidget() override;

protected:
	void paintEvent(QPaintEvent*) override ;
	void drawBorder(QPainter* painter);
	void drawBg(QPainter* painter);
	void drawHead(QPainter* painter);

private slots:
	void startAnimation();
	void updateValue();

private:
	double mMinValue;                //最小值
	double mMaxValue;                //最大值
	double mValue;                   //目标电量
	double mAlarmValue;              //电池电量警戒值

	double mStep;                    //每次移动的步长
	int mBorderWidth;                //边框粗细
	int mBorderRadius;               //边框圆角角度
	int mBgRadius;                   //背景进度圆角角度
	int mHeadRadius;                 //头部圆角角度

	QColor mBorderColorStart;        //边框渐变开始颜色
	QColor mBorderColorEnd;          //边框渐变结束颜色

	QColor mAlarmColorStart;         //电池低电量时的渐变开始颜色
	QColor mAlarmColorEnd;           //电池低电量时的渐变结束颜色

	QColor mNormalColorStart;        //电池正常电量时的渐变开始颜色
	QColor mNormalColorEnd;          //电池正常电量时的渐变结束颜色

	bool mIsForward;                 //是否往前移
	double mCurrentValue;            //当前电量
	QRectF mBatteryRect;             //电池主体区域
	QTimer* mTimer;                  //绘制定时器

public:
	double getMinValue()            const;
	double getMaxValue()            const;
	double getValue()               const;
	double getAlarmValue()          const;

	double getStep()                const;
	int getBorderWidth()            const;
	int getBorderRadius()           const;
	int getBgRadius()               const;
	int getHeadRadius()             const;

	QColor getBorderColorStart()    const;
	QColor getBorderColorEnd()      const;

	QColor getAlarmColorStart()     const;
	QColor getAlarmColorEnd()       const;

	QColor getNormalColorStart()    const;
	QColor getNormalColorEnd()      const;


public Q_SLOTS:
	//设置范围值
	void setRange(double minValue, double maxValue);
	void setRange(int minValue, int maxValue);

	//设置最大最小值
	void setMinValue(double minValue);
	void setMaxValue(double maxValue);

	//设置电池电量值
	void setValue(double value);
	void setValue(int value);

	//设置电池电量警戒值
	void setAlarmValue(double alarmValue);
	void setAlarmValue(int alarmValue);

	//设置步长
	void setStep(double step);
	void setStep(int step);

	//设置边框粗细
	void setBorderWidth(int borderWidth);
	//设置边框圆角角度
	void setBorderRadius(int borderRadius);
	//设置背景圆角角度
	void setBgRadius(int bgRadius);
	//设置头部圆角角度
	void setHeadRadius(int headRadius);

	//设置边框渐变颜色
	void setBorderColorStart(const QColor& borderColorStart);
	void setBorderColorEnd(const QColor& borderColorEnd);

	//设置电池电量报警时的渐变颜色
	void setAlarmColorStart(const QColor& alarmColorStart);
	void setAlarmColorEnd(const QColor& alarmColorEnd);

	//设置电池电量正常时的渐变颜色
	void setNormalColorStart(const QColor& normalColorStart);
	void setNormalColorEnd(const QColor& normalColorEnd);

Q_SIGNALS:
	void valueChanged(double value);
};

#endif // BATTERY_H