package com.wang.avi.indicators;

import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.view.animation.LinearInterpolator;

import android.animation.ValueAnimator;
import com.wang.avi.Indicator;

import java.util.ArrayList;

/**
 * Created by Jack on 2015/10/16.
 */
public class PacmanIndicator extends Indicator {

    private float translateX;

    private int alpha;

    private float degrees1,degrees2;

    @Override
    public void draw(Canvas canvas, Paint paint) {
        drawPacman(canvas,paint);
        drawCircle(canvas,paint);
    }

    private void drawPacman(Canvas canvas,Paint paint){
        float x=getWidth()/2;
        float y=getHeight()/2;

        canvas.save();

        canvas.translate(x, y);
        canvas.rotate(degrees1);
        paint.setAlpha(255);
        RectF rectF1=new RectF(-x/1.7f,-y/1.7f,x/1.7f,y/1.7f);
        canvas.drawArc(rectF1, 0, 270, true, paint);

        canvas.restore();

        canvas.save();
        canvas.translate(x, y);
        canvas.rotate(degrees2);
        paint.setAlpha(255);
        RectF rectF2=new RectF(-x/1.7f,-y/1.7f,x/1.7f,y/1.7f);
        canvas.drawArc(rectF2,90,270,true,paint);
        canvas.restore();
    }


    private void drawCircle(Canvas canvas, Paint paint) {
        float radius=getWidth()/11;
        paint.setAlpha(alpha);
        canvas.drawCircle(translateX, getHeight() / 2, radius, paint);
    }

    @Override
    public ArrayList<ValueAnimator> onCreateAnimators() {
        ArrayList<ValueAnimator> animators=new ArrayList<>();
        float startT=getWidth()/11;
        ValueAnimator translationAnim=ValueAnimator.ofFloat(getWidth()-startT,getWidth()/2);
        translationAnim.setDuration(650);
        translationAnim.setInterpolator(new LinearInterpolator());
        translationAnim.setRepeatCount(-1);
        addUpdateListener(translationAnim,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                translateX = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });

        ValueAnimator alphaAnim=ValueAnimator.ofInt(255,122);
        alphaAnim.setDuration(650);
        alphaAnim.setRepeatCount(-1);
        addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                alpha = (int) animation.getAnimatedValue();
                postInvalidate();
            }
        });

        ValueAnimator rotateAnim1=ValueAnimator.ofFloat(0, 45, 0);
        rotateAnim1.setDuration(650);
        rotateAnim1.setRepeatCount(-1);
        addUpdateListener(rotateAnim1,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                degrees1 = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });

        ValueAnimator rotateAnim2=ValueAnimator.ofFloat(0,-45,0);
        rotateAnim2.setDuration(650);
        rotateAnim2.setRepeatCount(-1);
        addUpdateListener(rotateAnim2,new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                degrees2 = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });

        animators.add(translationAnim);
        animators.add(alphaAnim);
        animators.add(rotateAnim1);
        animators.add(rotateAnim2);
        return animators;
    }
}