package cn.flightfeather.thirdappmodule.activity;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.Toast;

import java.io.ByteArrayOutputStream;

import cn.flightfeather.thirdappmodule.R;
import cn.flightfeather.thirdappmodule.module.MainActivity;
import cn.flightfeather.thirdappmodule.listener.OnScrollListener;
import cn.flightfeather.thirdappmodule.util.Constant;
import cn.flightfeather.thirdappmodule.view.TuyaView;


/**
 *
 *
 * @author 林力
 */
public class SignActivity extends Activity implements OnClickListener, OnScrollListener {

    public static final int OPERATION_UNDO = 1;
    private final int defaultColor = Color.parseColor("#FFFFFF");
    private ImageView imageview_background;
    private TuyaView tuyaView;
    FrameLayout tuyaFrameLayout = null;
    private static final String TAG = SignActivity.class.getSimpleName();
    private int CANCLE_BACKGROUND_IMAGE = 0;

    private Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case OPERATION_UNDO:
                    int undo = tuyaView.undo(); //撤销上次操作
                    System.out.println("可以撤销：" + undo);
                    if (undo < 0) {
                        CANCLE_BACKGROUND_IMAGE++;
                        switch (CANCLE_BACKGROUND_IMAGE) {
                            case 0:
                                break;
                            case 1:
                                System.out.println("设置imageview为默认");
                                imageview_background.setBackgroundColor(defaultColor);
                                imageview_background.setImageBitmap(null);
                                CANCLE_BACKGROUND_IMAGE = 0;
                                break;
                        }
                    }
//                    tuyaFrameLayout.destroyDrawingCache();
//                    tuyaFrameLayout.buildDrawingCache();
                    break;
            }
        }
    };
    private Intent intent;
    private Bitmap bitmap;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        super.onCreate(savedInstanceState);
        intent = getIntent();
        setContentView(R.layout.tuya_layout);
        tuyaFrameLayout = (FrameLayout) findViewById(R.id.tuya_layout);
        boolean drawingCacheEnabled = tuyaFrameLayout.isDrawingCacheEnabled();
        if (!drawingCacheEnabled) {
            tuyaFrameLayout.setDrawingCacheEnabled(true);
        }
        imageview_background = (ImageView) findViewById(R.id.imageview_background);
        tuyaView = (TuyaView) findViewById(R.id.tuyaView);
        findViewById(R.id.btn_undo).setOnClickListener(this);
        findViewById(R.id.btn_save).setOnClickListener(this);
    }

    @Override
    public void onBackPressed() {

    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_BACK) {// 返回键
			this.finish();
			int undo = tuyaView.undo(); //撤销上次操作
			if(undo<1){
				System.out.println("设置imageview为默认");
				imageview_background.setBackgroundColor(0xff99CCCC);
		    	imageview_background.setImageBitmap(null);
			}
			return true;
		}
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public void onClick(View v) {
        int id = v.getId();
        if (id == R.id.btn_undo) {
            Message msg = handler.obtainMessage();
            msg.what = OPERATION_UNDO;
            handler.sendMessage(msg);
        } else if (id == R.id.btn_save) {
            sendTuyaBitmap();
        }
    }

    /**
     * 发送图片
     */
    private void sendTuyaBitmap() {
        //获得当前的Bitmap对象
        tuyaFrameLayout.buildDrawingCache();
        bitmap = tuyaFrameLayout.getDrawingCache();
        if (bitmap != null) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            try {
                bitmap.compress(CompressFormat.JPEG, 100, baos);
                byte[] bitmapByteArr = baos.toByteArray();
                //跳转到对应界面
                Intent intent = new Intent(this,MainActivity.class);
                intent.putExtra(Constant.KEY_INTENT_SIGHPIC, bitmapByteArr);
                setResult(RESULT_OK, intent);
                baos.close();
                this.finish();
            } catch (Exception e) {
                e.printStackTrace();
            }
        } else {
            Toast.makeText(this, "未能发送图片，请重试！", Toast.LENGTH_SHORT).show();
        }
        tuyaFrameLayout.destroyDrawingCache();
    }

    @Override
    public void onLeft() {

    }

    @Override
    public void onRight() {

    }

    @Override
    public void onScroll() {

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
//        TuyaView.color = Color.parseColor("#fe0000");
//        TuyaView.srokeWidth = 15;
    }
}