package com.example.lee.pintu;

import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.os.TransactionTooLargeException;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.GridLayout;
import android.widget.ImageView;
import android.widget.Toast;

import java.security.PublicKey;
import android.view.GestureDetector;

public class MainActivity extends AppCompatActivity {
    private ImageView[][] iv_game_arr = new ImageView[3][5];
    private GridLayout gl_main_game;
    private ImageView iv_null_Imageview;
   //private boolean isAnim = false;
/*
* 手势
* */
private GestureDetector mDetector;
    @Override
/*
* 设置手势监听*/



    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);// 设置打开为 横竖屏

        setContentView(R.layout.activity_main);
        gl_main_game = findViewById(R.id.gl_main_game);
        Bitmap bigBm = ((BitmapDrawable) getResources().getDrawable(R.mipmap.pintu)).getBitmap();
        int tuwandH = bigBm.getWidth() / 5;

        mDetector=new GestureDetector(this, new GestureDetector.OnGestureListener() {
            @Override
            public boolean onDown(MotionEvent e) {
                return false;
            }

            @Override
            public void onShowPress(MotionEvent e) {

            }

            @Override
            public boolean onSingleTapUp(MotionEvent e) {
                return false;
            }

            @Override
            public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
                return false;
            }

            @Override
            public void onLongPress(MotionEvent e) {

            }

            @Override
            public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
                int type=getDirByGes(e1.getX(),e1.getY(),e2.getX(),e2.getY());
             // Toast.makeText(MainActivity.this,""+type,Toast.LENGTH_SHORT).show();
                changeByDir(type);
                return false;
            }
        });

        /* 初始化方块*/
        for (int i = 0; i < iv_game_arr.length; i++) {
            for (int j = 0; j < iv_game_arr[0].length; j++) {
                Bitmap bm = Bitmap.createBitmap(bigBm, j * tuwandH, i * tuwandH, tuwandH, tuwandH);
                iv_game_arr[i][j] = new ImageView(this);
                iv_game_arr[i][j].setImageBitmap(bm);
                iv_game_arr[i][j].setPadding(2, 2, 2, 2);
                iv_game_arr[i][j].setTag(new GameDate(i,j,bm));//  绑定自定义数据
                iv_game_arr[i][j].setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        boolean flag= ishasByNullImageview((ImageView) v);
                        //Toast.makeText(MainActivity.this,"位置关系是否存在"+flag,Toast.LENGTH_SHORT).show();
                        if (flag){
                            changeDateByImageview((ImageView) v);
                        }
                    }
                });
            }
        }
        /*添加至游戏界面*/
        for (int i = 0; i < iv_game_arr.length; i++) {
            for (int j = 0; j < iv_game_arr[0].length; j++) {
                gl_main_game.addView(iv_game_arr[i][j]);
            }
            setNullImageView(iv_game_arr[2][4]);
        // randomMove();
        }
    }


    @Override
    public boolean onTouchEvent(MotionEvent event) {
        return mDetector.onTouchEvent(event);
    }

    /**
 *  1 上 2 下 3 左 4右
 *
 */
//重载
   /* public void changeByDir(int type){
        changeByDir(type,true);
    }*/

    public void changeByDir(int type/*,boolean isAnim*/){
        GameDate mNullGameDate= (GameDate) iv_null_Imageview.getTag();
        int new_x=mNullGameDate.x;
        int new_y=mNullGameDate.y;
        if (type==1){
new_x++;
        }else if (type==2){
new_x--;
        }else if (type==3){
new_y++;
        }else if (type==4){
new_y--;
        }
        if (new_x>=0&&new_x<iv_game_arr.length&&new_y>=0&&new_y<iv_game_arr[0].length){
           /* if (isAnim) {*/
                changeDateByImageview(iv_game_arr[new_x][new_y]);/*
            }else{
                changeDateByImageview(iv_game_arr[new_x][new_y],isAnim);
            }*/

        }else{
            // 不操作
        }
    }


    public  int getDirByGes (float start_x,float start_y,float end_x,float end_y){
        boolean isLRorUD=(Math.abs(start_x-end_x)>Math.abs(start_y-end_y))?true:false;
        if (isLRorUD){
            boolean isL=start_x-end_x >0?true:false;
            if (isL){
                return  3;
            }
            else {
                return 4;
            }
        }
        else {
            boolean isU=start_y-end_y >0?true:false;
            if (isU){
                return  1;
            }
            else {
                return 2;
            }
        }
    }
//打乱顺序

    /*public void randomMove(){
        for (int i=1;i<10;i++){
            int type =(int ) (Math.random()*4)+1;
            changeByDir(type,false);

        }
    }
*/

//方法的重载
/*public void changeDateByImageview(final ImageView imageView){
        changeDateByImageview(imageView,true);
}*/

public void changeDateByImageview(final ImageView imageView/*,boolean isAnim*/) {
/*if (!isAnim){
    GameDate mGameDate = (GameDate) imageView.getTag();
                iv_null_Imageview.setImageBitmap(mGameDate.bm);
                GameDate mNullGameDate = (GameDate) iv_null_Imageview.getTag();
                mNullGameDate.bm = mGameDate.bm;
                mNullGameDate.p_X = mGameDate.p_X;
                mNullGameDate.p_Y = mGameDate.p_Y;
                setNullImageView(imageView);
                return;
}*/
        TranslateAnimation translateAnimation = null;
        if (imageView.getX() > iv_null_Imageview.getX()) {
            translateAnimation = new TranslateAnimation(0.1f, -imageView.getWidth(), 0.1f, 0.1f);
        } else if (imageView.getX() < iv_null_Imageview.getX()) {
            translateAnimation = new TranslateAnimation(0.1f, +imageView.getWidth(), 0.1f, 0.1f);
        } else if (imageView.getY() > iv_null_Imageview.getY()) {
            translateAnimation = new TranslateAnimation(0.1f, 0.1f, 0.1f, -imageView.getWidth());
        } else if (imageView.getY() < iv_null_Imageview.getY()) {
            translateAnimation = new TranslateAnimation(0.1f, 0.1f, 0.1f, +imageView.getWidth());
        }

        translateAnimation.setDuration(70);


        translateAnimation.setFillAfter(true);  //  结束后是否停留

        translateAnimation.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                imageView.clearAnimation();
                GameDate mGameDate = (GameDate) imageView.getTag();
                iv_null_Imageview.setImageBitmap(mGameDate.bm);
                GameDate mNullGameDate = (GameDate) iv_null_Imageview.getTag();
                mNullGameDate.bm = mGameDate.bm;
                mNullGameDate.p_X = mGameDate.p_X;
                mNullGameDate.p_Y = mGameDate.p_Y;
                setNullImageView(imageView);
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }


        });
        imageView.startAnimation(translateAnimation);
    }

    public void setNullImageView(ImageView mImageView) {
      mImageView.setImageBitmap(null);

        iv_null_Imageview=mImageView;

    }
    public  boolean ishasByNullImageview(ImageView imageView){
        GameDate mNullGameDate= (GameDate) iv_null_Imageview.getTag();
        GameDate mGameDate= (GameDate) imageView.getTag();
        if (mNullGameDate.y==mGameDate.y&&mNullGameDate.x==mGameDate.x+1)
        {
            return true;
        }
        else if (mNullGameDate.y==mGameDate.y&&mNullGameDate.x==mGameDate.x-1){
            return true;
        }  else if (mNullGameDate.y==mGameDate.y+1&&mNullGameDate.x==mGameDate.x){
            return true;
        }  else if (mNullGameDate.y==mGameDate.y-1&&mNullGameDate.x==mGameDate.x){
            return true;
        }
        return false;

   }
class GameDate{
        public int x=0;  //  方块位置
        public  int y=0;
        public Bitmap bm;
        public  int p_X=0;  // 图片位置
        public  int p_Y=0;
        public  GameDate(int x,int y,Bitmap bm){
            super();
            this.x=x;
            this.y=y;
            this.bm=bm;
            this.p_X=p_X;
            this.p_Y=p_Y;
        }
}
 }