package com.moral.yunfushao.ui;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.SweepGradient;
import android.graphics.drawable.BitmapDrawable;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;

import com.moral.yunfushao.R;

/**
 * 轮盘
 * Created by haijiang on 2017/6/20.
 */

public class PanelView extends View {
    private Context mContext;
    private int mWidth;
    private int mmWidth;
    private int mmHeight;
    //绘制渐变圆弧的画笔
    private Paint mShaderPaint;
    private int[] mshaderColor = new int[]{0xfff70e17,0xfff70e17,0xfff70e17,0xffff5c92,0xff00c44a,0xff00d062,0xff00f5af,0xff00f6cb,0xff00ccff,0xff179fff,0xffa054ff,0xffa53aff,0xffd74bff,0xfff64da5,0xfff70e17};
    private int[] mshaderRedColor = new int[]{0xfff70e17,0xffff5c92};
    private int[] mshaderZiseColor = new int[]{0xffa53aff,0xffd74bff,0xfff64da5};
    private int[] mshaderBlueColor = new int[]{0xff00f6cb,0xff00ccff,0xff179fff,0xffa054ff};
    private int[] mshaderGreenColor = new int[]{0xff00c44a,0xff00d062,0xff00f5af};
    //环形渐变色值渲染
    private SweepGradient mSweepGradient;
    private int mShaderWidth = 70;
    //画圆环上的线
    private Paint paintGapLine;

    //小格子线颜色3°画一次
    private int line1Color = 0xffb8e8f4;
    //小格子线颜色15°画一次
    private int line2Color = 0xff7ed3ff;
    //小格子线颜色60°画一次
    private int line3Color = 0xff009cff;
    //短线长度
    private int line1Length = 50;
    //长线长度
    private int line2Length = 70;
    private int lineWidth = 6;
    //内外间隔
    private int widthInner = 120;
    private int paddingKedu = 40;
    private Paint mLinePaint;

    //画刻度文字
    private Paint drawTextPaint;
    private int textColor = Color.GRAY;
    private int textSize = 36;
    private String[] level = {"绝对安全","建议回避","及时闪躲","紧急撤离"};

    //内进度圆
    private Paint mCirclePaint;
    private int innerCircleColor = 0xffb8e8f4;
    private int mCircleWidth = 70;
    private int innerPadding = 20;
    //画进度
    private Paint mProgressPaint;
    private int progressCircleColor = 0xff53c9ff;

    //画指针
    private Paint mBitPaint;
    private Bitmap mBitmap;

    private float percent = 0;//百分比数据

    private String statusStr = "未连接";

    public void setStatusStr(String statusStr){
        this.statusStr = statusStr;
        postInvalidate();
    }

    public void setPercent(float percent){
        this.percent = percent;
        postInvalidate();
    }

    public PanelView(Context context) {
        super(context);
        init(context);
    }

    public PanelView(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        init(context);
    }

    public PanelView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(context);
    }

    private void init(Context mContext) {
        this.mContext = mContext;
        //初始化
        mShaderWidth = dip2px(mContext,24);
        line1Length = dip2px(mContext,14);
        line2Length = dip2px(mContext,22);
        lineWidth = dip2px(mContext,2);
        widthInner = dip2px(mContext,40);
        paddingKedu = dip2px(mContext,10);
        mCircleWidth = dip2px(mContext,24);
        innerPadding = dip2px(mContext,8);
        textSize = dip2px(mContext,12);

        //渐变圆环
        mShaderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mShaderPaint.setStyle(Paint.Style.STROKE);
        mShaderPaint.setStrokeWidth(mShaderWidth);
        mShaderPaint.setStrokeCap(Paint.Cap.ROUND);
        paintGapLine = new Paint(Paint.ANTI_ALIAS_FLAG);
        paintGapLine.setColor(Color.WHITE);
        paintGapLine.setStrokeWidth(dip2px(mContext,3));
        //刻度
        mLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mLinePaint.setStyle(Paint.Style.STROKE);
        mLinePaint.setStrokeWidth(lineWidth);
        mLinePaint.setColor(line1Color);
        //文字
        drawTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        drawTextPaint.setColor(textColor);
        drawTextPaint.setTextSize(textSize);
        //内进度圆
        mCirclePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mCirclePaint.setStyle(Paint.Style.STROKE);
        mCirclePaint.setStrokeWidth(mCircleWidth);
        mCirclePaint.setStrokeCap(Paint.Cap.ROUND);
        mCirclePaint.setColor(innerCircleColor);
        //画进度
        mProgressPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mProgressPaint.setStyle(Paint.Style.STROKE);
        mProgressPaint.setStrokeWidth(mCircleWidth);
        mProgressPaint.setStrokeCap(Paint.Cap.ROUND);
        mProgressPaint.setColor(progressCircleColor);
        //画指针
        mBitPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mBitPaint.setFilterBitmap(true);
        mBitPaint.setDither(true);
        mBitmap = ((BitmapDrawable)mContext.getResources().getDrawable(R.mipmap.zhizhen)).getBitmap();
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        int widthSize = MeasureSpec.getSize(widthMeasureSpec);
        int widthMode = MeasureSpec.getMode(widthMeasureSpec);
        int heightSize = MeasureSpec.getSize(heightMeasureSpec);
        int heightMode = MeasureSpec.getMode(heightMeasureSpec);
        if (widthMode == MeasureSpec.EXACTLY) {
            mmWidth = widthSize;
        } else {
            mmWidth = dip2px(mContext, 300);
        }
        if (heightMode == MeasureSpec.EXACTLY) {
            mmHeight = heightSize;
        } else {
            mmHeight = dip2px(mContext, 300);
        }
        mWidth = mmWidth<mmHeight?mmWidth:mmHeight;
        setMeasuredDimension(mmWidth, mmHeight);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
         //画刻度
        drawKedu(canvas);
        //画刻度文字
        drawTextKedu(canvas);
        //画渐变圆环
        drawJianbianCircle(canvas);
        //画内圆
        RectF cirlcleRect = new RectF(mShaderWidth + widthInner+mCircleWidth+innerPadding, mShaderWidth + widthInner+mCircleWidth+innerPadding, mWidth - mShaderWidth - widthInner-mCircleWidth-innerPadding, mWidth - mShaderWidth - widthInner-mCircleWidth-innerPadding);
        canvas.drawArc(cirlcleRect, 0, 360, false, mCirclePaint);
        //画指针
        float circleR = (cirlcleRect.right - cirlcleRect.left)/2;
        float bitH = circleR;
        float bitW = bitH*0.448f;
        canvas.save();
        canvas.rotate(percent*300-150,mWidth/2,mWidth/2);
        RectF btmRect = new RectF((float) (cirlcleRect.left+bitH-bitW*0.535), (float) (cirlcleRect.top+mCircleWidth*0.68),(float) (cirlcleRect.left+bitH+bitW*0.465), (float) (cirlcleRect.top+bitH+mCircleWidth*0.68));
//        Log.d("haijiang","left="+btmRect.left);
//        Log.d("haijiang","right="+btmRect.right);
//        Log.d("haijiang","top="+btmRect.top);
//        Log.d("haijiang","bottom="+btmRect.bottom);
//        Log.d("haijiang","宽高比例="+(btmRect.right-btmRect.left)/(btmRect.bottom-btmRect.top));
        canvas.drawBitmap(mBitmap,null,btmRect,mBitPaint);
        canvas.restore();

        drawTextPaint.setColor(line3Color);
        drawTextPaint.setTextSize(textSize);
        int statusStrWidth = (int) drawTextPaint.measureText(this.statusStr);
        canvas.drawText(this.statusStr,mWidth / 2-statusStrWidth/2, mWidth/2+(btmRect.bottom-btmRect.top)/2,drawTextPaint);
       if(percent>0)
          canvas.drawArc(new RectF(mShaderWidth + widthInner+mCircleWidth+innerPadding, mShaderWidth + widthInner+mCircleWidth+innerPadding, mWidth - mShaderWidth - widthInner-mCircleWidth-innerPadding, mWidth - mShaderWidth - widthInner-mCircleWidth-innerPadding), 120, 300*percent, false, mProgressPaint);
    }

    /**
     * 画刻度
     * @param canvas
     */
    private void drawKedu(Canvas canvas){
        //画右边刻度
        for (int i = 0; i <= 50; i++) {
            canvas.save();
            if (i % 5 == 0) {
                mLinePaint.setColor(line2Color);
                canvas.rotate(i * 3, mWidth / 2, mWidth / 2);
                canvas.drawLine(mWidth / 2, paddingKedu, mWidth / 2, line2Length + paddingKedu, mLinePaint);
            } else {
                mLinePaint.setColor(line1Color);
                canvas.rotate(i * 3, mWidth / 2, mWidth / 2);
                canvas.drawLine(mWidth / 2, paddingKedu, mWidth / 2, line1Length + paddingKedu, mLinePaint);
            }
            canvas.restore();
        }
        //画右边刻度
        for (int j = 0; j <= 50; j++) {
            canvas.save();
            if (j % 5 == 0) {
                mLinePaint.setColor(line2Color);
                canvas.rotate(-j * 3, mWidth / 2, mWidth / 2);
                canvas.drawLine(mWidth / 2, paddingKedu, mWidth / 2, line2Length + paddingKedu, mLinePaint);
            } else {
                mLinePaint.setColor(line1Color);
                canvas.rotate(-j * 3, mWidth / 2, mWidth / 2);
                canvas.drawLine(mWidth / 2, paddingKedu, mWidth / 2, line1Length + paddingKedu, mLinePaint);
            }
            canvas.restore();
        }
    }

    /**
     * 画刻度文字
     * @param canvas
     */
    private void drawTextKedu(Canvas canvas){
        for(int i=0;i<level.length;i++){
            float textWidth = drawTextPaint.measureText(level[i]);
            if(percent<0.25){
                if(i==0){
                    drawTextPaint.setColor(line3Color);
                }else{
                    drawTextPaint.setColor(Color.GRAY);
                }
                canvas.save();
                if(i==0){
                    canvas.rotate(-120,mWidth/2,mWidth/2);
                }else if(i==1){
                    canvas.rotate(-45,mWidth/2,mWidth/2);
                }else if(i==2){
                    canvas.rotate(45,mWidth/2,mWidth/2);
                }else if(i==3){
                    canvas.rotate(120,mWidth/2,mWidth/2);
                }
                canvas.drawText(level[i],mWidth / 2-textWidth/2, paddingKedu+line2Length+textSize,drawTextPaint);
                canvas.restore();
            }else if(percent>=0.25&&percent<0.5){
                if(i==1){
                    drawTextPaint.setColor(line3Color);
                }else{
                    drawTextPaint.setColor(Color.GRAY);
                }
                canvas.save();
//                canvas.rotate(-120+i*75,mWidth/2,mWidth/2);
                if(i==0){
                    canvas.rotate(-120,mWidth/2,mWidth/2);
                }else if(i==1){
                    canvas.rotate(-45,mWidth/2,mWidth/2);
                }else if(i==2){
                    canvas.rotate(45,mWidth/2,mWidth/2);
                }else if(i==3){
                    canvas.rotate(120,mWidth/2,mWidth/2);
                }
                canvas.drawText(level[i],mWidth / 2-textWidth/2, paddingKedu+line2Length+textSize,drawTextPaint);
                canvas.restore();
            }else if(percent>=0.5&&percent<0.75){
                if(i==2){
                    drawTextPaint.setColor(line3Color);
                }else{
                    drawTextPaint.setColor(Color.GRAY);
                }
                canvas.save();
//                canvas.rotate(-120+i*75,mWidth/2,mWidth/2);
                if(i==0){
                    canvas.rotate(-120,mWidth/2,mWidth/2);
                }else if(i==1){
                    canvas.rotate(-45,mWidth/2,mWidth/2);
                }else if(i==2){
                    canvas.rotate(45,mWidth/2,mWidth/2);
                }else if(i==3){
                    canvas.rotate(120,mWidth/2,mWidth/2);
                }
                canvas.drawText(level[i],mWidth / 2-textWidth/2, paddingKedu+line2Length+textSize,drawTextPaint);
                canvas.restore();
            }else if(percent>=0.75){
                if(i==3){
                    drawTextPaint.setColor(line3Color);
                }else{
                    drawTextPaint.setColor(Color.GRAY);
                }
                canvas.save();
//                canvas.rotate(-105+i*75,mWidth/2,mWidth/2);
                if(i==0){
                    canvas.rotate(-120,mWidth/2,mWidth/2);
                }else if(i==1){
                    canvas.rotate(-45,mWidth/2,mWidth/2);
                }else if(i==2){
                    canvas.rotate(45,mWidth/2,mWidth/2);
                }else if(i==3){
                    canvas.rotate(120,mWidth/2,mWidth/2);
                }
                canvas.drawText(level[i],mWidth / 2-textWidth/2, paddingKedu+line2Length+textSize,drawTextPaint);
                canvas.restore();
            }
        }
    }

    /**
     * 画渐变圆环
     * @param canvas
     */
    private void drawJianbianCircle(Canvas canvas){
        mSweepGradient = new SweepGradient(mWidth / 2, mWidth / 2, mshaderColor, null);
        mShaderPaint.setShader(mSweepGradient);
        canvas.drawArc(new RectF(mShaderWidth + widthInner, mShaderWidth + widthInner, mWidth - mShaderWidth - widthInner, mWidth - mShaderWidth - widthInner), 120, 300, false, mShaderPaint);
        //画圆环分隔
        canvas.save();
        canvas.rotate(75, mWidth / 2, mWidth / 2);
        canvas.drawLine(mWidth / 2, line2Length + paddingKedu*3, mWidth / 2, (float) (line2Length + paddingKedu*0.65+mShaderWidth*2), paintGapLine);
        canvas.restore();
        canvas.save();
        canvas.rotate(0, mWidth / 2, mWidth / 2);
        canvas.drawLine(mWidth / 2, line2Length + paddingKedu*3, mWidth / 2, (float) (line2Length + paddingKedu*0.65+mShaderWidth*2), paintGapLine);
        canvas.restore();
        canvas.save();
        canvas.rotate(-75, mWidth / 2, mWidth / 2);
        canvas.drawLine(mWidth / 2, line2Length + paddingKedu*3, mWidth / 2, (float) (line2Length + paddingKedu*0.65+mShaderWidth*2), paintGapLine);
        canvas.restore();
    }


    /**
     * 根据手机的分辨率从 dp 的单位 转成为 px(像素)
     */
    public static int dip2px(Context context, float dpValue) {
        Resources r = context.getResources();
        float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                dpValue, r.getDisplayMetrics());
        return (int) px;
    }

    /**
     * 根据手机的分辨率从 px(像素) 的单位 转成为 dp
     */
    public static int px2dip(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }

    /**
     * 根据手机的分辨率从 px(像素) 的单位 转成为 sp
     */
    public static int px2sp(Context context, float pxValue) {
        float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (pxValue / fontScale + 0.5f);
    }

    /**
     * 根据手机的分辨率从 sp 的单位 转成为 px
     */
    public static int sp2px(Context context, float spValue) {
        float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (spValue * fontScale + 0.5f);
    }
}