package com.yidianling.common.view;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.View;

import com.yidianling.common.R;
import com.yidianling.common.tools.RxDataTool;


/**
 * 弧形进度条
 * @author Vondear
 *
 */
public class RxRoundProgress extends View {
    public static final int STROKE = 0;
    /**
     * 画笔对象的引用
	 */
	private Paint paint;
	private Paint textPaint;
	private Paint moneyPaint;
	private Paint moneyDPaint;
	/**
	 * 圆环的颜色
	 */
	private int roundColor;
	/**
	 * 圆环进度的颜色
	 */
	private int roundProgressColor;
	/**
	 * 中间进度百分比的字符串的颜色
	 */
	private int textColor;
	/**
	 * 中间进度百分比的字符串的字体
	 */
	private float textSize;
	/**
	 * 圆环的宽度
	 */
	private float roundWidth;
	/**
	 * 最大进度
	 */
	private double max;
	/**
	 * 当前进度
	 */
	private double progress;
	/**
	 * 是否显示中间的进度
	 */
	private boolean textIsDisplayable;
	/**
	 * 进度的风格，实心或者空心
	 */
	private int style;
	

	public RxRoundProgress(Context context) {
		this(context, null);
	}

	public RxRoundProgress(Context context, AttributeSet attrs) {
		this(context, attrs, 0);
	}
	
	public RxRoundProgress(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		
		paint = new Paint();//进度条画笔
		textPaint = new Paint();//文字画笔
		moneyPaint =  new Paint();//文字画笔
		moneyDPaint =  new Paint();//文字画笔
		TypedArray mTypedArray = context.obtainStyledAttributes(attrs,
				R.styleable.RxRoundProgress);
		
		//获取自定义属性和默认值
		roundColor = mTypedArray.getColor(R.styleable.RxRoundProgress_rxRoundColor, Color.WHITE);
		roundProgressColor = mTypedArray.getColor(R.styleable.RxRoundProgress_rxRoundProgressColor, Color.parseColor("#F6B141"));
		textColor = mTypedArray.getColor(R.styleable.RxRoundProgress_rxTextColor, Color.GREEN);
		textSize = mTypedArray.getDimension(R.styleable.RxRoundProgress_rxTextSize1, 15);
		roundWidth = mTypedArray.getDimension(R.styleable.RxRoundProgress_rxRoundWidth, 20);
		max = mTypedArray.getInteger(R.styleable.RxRoundProgress_rxMax, 100);
		textIsDisplayable = mTypedArray.getBoolean(R.styleable.RxRoundProgress_rxTextIsDisplayable, true);
		style = mTypedArray.getInt(R.styleable.RxRoundProgress_rxStyle, 0);
		
		mTypedArray.recycle();
	}
	

	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		
		/**
		 * 画最外层的大圆环
		 */
		int centre = getWidth()/2-90; //获取圆心的x坐标
		int radius = (int) (centre - roundWidth/2); //圆环的半径
		RectF oval = new RectF(centre - radius+90, centre - radius+90, centre + radius+90, centre + radius+90);  //用于定义的圆弧的形状和大小的界限
		paint.setColor(roundColor); //设置圆环的颜色
		paint.setStyle(Paint.Style.STROKE); //设置空心
		paint.setStrokeWidth(roundWidth); //设置圆环的宽度
		paint.setAntiAlias(true);  //消除锯齿 
		paint.setStrokeCap(Paint.Cap.ROUND);//设置边缘为圆角
//		canvas.drawRect(0, 0, getWidth(), getWidth(), paint);// 正方形  
		textPaint.setColor(roundColor);
		textPaint.setAntiAlias(true);
		textPaint.setTextSize(36);
		moneyPaint.setColor(roundColor);
		moneyPaint.setAntiAlias(true);
		moneyPaint.setTextSize(65);
		moneyDPaint.setColor(roundColor);
		moneyDPaint.setAntiAlias(true);
		moneyDPaint.setTextSize(48);
		canvas.drawText("0元", (float) (radius - Math.sqrt(2)*(radius/2)+10), (float) (2*radius - Math.sqrt(2)*(radius/4)+130 ), textPaint);//左边最小值
		canvas.drawText(getMax()+"元", (float) (radius + Math.sqrt(2)*(radius/2)+138), (float) (2*radius - Math.sqrt(2)*(radius/4)+130 ), textPaint);//右边最大值
		/*if(progress<50){
			double money = progress*1+(Math.floor(Math.random()*getMax()));
			canvas.drawText(money+"", (centre+90) - moneyPaint.measureText(money+"")/2-15, centre+165, moneyPaint);//右边最大值
		}else{*/
        canvas.drawText(RxDataTool.format2Decimals(getProgress() + ""), (centre + 90) - moneyPaint.measureText(RxDataTool.format2Decimals(getProgress() + "")) / 2 - 15, centre + 105, moneyPaint);//右边最大值
        //}
        canvas.drawText("元", (centre + 90) + moneyPaint.measureText(RxDataTool.format2Decimals(getProgress() + "")) / 2 - 10, centre + 105, moneyDPaint);//右边最大值
        canvas.drawArc(oval, 135, 270, false, paint);  //根据进度画圆弧

        /**
		 * 画进度百分比
		 */
		paint.setStrokeWidth(0);  
		paint.setColor(textColor);
		paint.setTextSize(textSize);
		paint.setTypeface(Typeface.DEFAULT_BOLD); //设置字体
		int percent = (int)(((float)progress / (float)max) * 100);  //中间的进度百分比，先转换成float在进行除法运算，不然都为0
		float textWidth = paint.measureText(percent + "%");   //测量字体宽度，我们需要根据字体的宽度设置在圆环中间
		
		if(textIsDisplayable && percent != 0 && style == STROKE){
			//canvas.drawText(percent + "%", centre+90 - textWidth / 2, centre + 90 + textSize/2, paint); //画出进度百分比
		}
		
		
		/**
		 * 画圆弧 ，画圆环的进度
		 */
		
		//设置进度是实心还是空心
		paint.setStrokeWidth(roundWidth); //设置圆环的宽度
		paint.setColor(roundProgressColor);  //设置进度的颜色
		
		switch (style) {
			case STROKE:{
				paint.setStyle(Paint.Style.STROKE);
				if(progress>=0){
					canvas.drawArc(oval, 135, 270* ((float)progress / (float)max), false, paint);  //根据进度画圆弧
				}
				break;
			}
		}
		
	}
	
	
	
	
	
	public synchronized double getMax() {
		return max;
	}

	/**
	 * 设置进度的最大值
	 * @param max
	 */
	public synchronized void setMax(double max) {
		if(max < 0){
			throw new IllegalArgumentException("max not less than 0");
		}
		this.max = max;
	}

	/**
	 * 获取进度.需要同步
	 * @return
	 */
	public synchronized double getProgress() {
		return progress;
	}

	/**
	 * 设置进度，此为线程安全控件，由于考虑多线的问题，需要同步
	 * 刷新界面调用postInvalidate()能在非UI线程刷新
	 * @param progress
	 */
	public synchronized void setProgress(double progress) {
		if(progress < 0){
			this.progress = progress;
			//throw new IllegalArgumentException("progress not less than 0");
		}
		if(progress > max){
			progress = max;
		}
		if(progress <= max){
			this.progress = progress;
			postInvalidate();
		}
		
	}
	
	
	public int getCricleColor() {
		return roundColor;
	}

	public void setCricleColor(int cricleColor) {
		this.roundColor = cricleColor;
	}

	public int getCricleProgressColor() {
		return roundProgressColor;
	}

	public void setCricleProgressColor(int cricleProgressColor) {
		this.roundProgressColor = cricleProgressColor;
	}

	public int getTextColor() {
		return textColor;
	}

	public void setTextColor(int textColor) {
		this.textColor = textColor;
	}

	public float getTextSize() {
		return textSize;
	}

	public void setTextSize(float textSize) {
		this.textSize = textSize;
	}

	public float getRoundWidth() {
		return roundWidth;
	}

	public void setRoundWidth(float roundWidth) {
		this.roundWidth = roundWidth;
	}



}