package com.imin;

import android.app.Activity;
import android.content.res.Resources;
import android.hardware.Camera;
import android.hardware.Camera.AutoFocusCallback;
import android.hardware.Camera.PreviewCallback;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.TextView;

import com.sunmi.scan.Config;
import com.sunmi.scan.Image;
import com.sunmi.scan.ImageScanner;
import com.sunmi.scan.SoundUtils;
import com.sunmi.scan.Symbol;
import com.sunmi.scan.SymbolSet;

import com.imin.IminPrinter;
import android.os.Message;
import android.os.Bundle;


public class Scanner extends Activity implements SurfaceHolder.Callback {
	private static final String TAG = "MainActivity";
	private Camera mCamera;
	private SurfaceHolder mHolder;
	private SurfaceView surface_view;
	private ImageScanner scanner;//声明扫描器
	private Handler autoFocusHandler;
    SoundUtils soundUtils;
	public boolean use_auto_focus=true;//T1/T2 mini定焦摄像头没有对焦功能,应该改为false
    public int decode_count = 0;
    private TextView textview;
    //预览分辨率设置，T1/T2 mini设置640x480，其他手持机可选取640x480,800x480,1280x720
    public static int previewSize_width=640;
    public static int previewSize_height=480;
    Image imgae_data = new Image(previewSize_width,previewSize_height, "Y800");
    StringBuilder sb = new StringBuilder();
    String content="";
    String package_name ="";

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		// setContentView(R.layout.activity_main);

     package_name = getApplication().getPackageName();
    setContentView(getApplication().getResources().getIdentifier("scanactivity", "layout", getApplication().getPackageName()));

		init();
	}

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (soundUtils != null) {
            soundUtils.release();
        }
        if (mCamera != null) {
            mCamera.setPreviewCallback(null);
            mCamera.release();
            mCamera = null;
        }
    }
	private void init() {
		// surface_view = (SurfaceView) findViewById(R.id.surface_view);
    SurfaceView surface_view = (SurfaceView) findViewById(getApplication().getResources().getIdentifier("surface_view", "id", package_name));

		// textview = (TextView) findViewById(R.id.textview);
     // textview = (TextView) findViewById(getApplication().getResources().getIdentifier("textview", "id", package_name));

		mHolder = surface_view.getHolder();
		mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
		mHolder.addCallback(this);

        scanner = new ImageScanner();//创建扫描器
		scanner.setConfig(Symbol.NONE, Config.ENABLE_MULTILESYMS, 0);//是否开启同一幅图一次解多个条码,0表示只解一个，1为多个,默认0：禁止
		scanner.setConfig(Symbol.QRCODE,Config.ENABLE, 1);//允许识读QR码，默认1:允许
		scanner.setConfig(Symbol.PDF417, Config.ENABLE, 0);//允许识读PDF417码，默认0：禁止
		scanner.setConfig(Symbol.DataMatrix, Config.ENABLE, 0);//允许识读DataMatrix码，默认0：禁止
		scanner.setConfig(Symbol.AZTEC, Config.ENABLE, 0);//允许识读AZTEC码，默认0：禁止

		if(use_auto_focus)
			autoFocusHandler = new Handler();
		decode_count=0;
	}
	@Override
	public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
		if (mHolder.getSurface() == null) {
			return;
		}
		try{
			mCamera.stopPreview();
		} catch (Exception e) {
		}
		try {
			Camera.Parameters parameters = mCamera.getParameters();
            parameters.setPreviewSize(previewSize_width, previewSize_height);  //设置预览分辨率
			if(use_auto_focus)
				parameters.setFocusMode(parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
			mCamera.setParameters(parameters);
			mCamera.setDisplayOrientation(90);//手持机使用，竖屏显示,T1/T2 mini需要屏蔽掉
			mCamera.setPreviewDisplay(mHolder);
			mCamera.setPreviewCallback(previewCallback);
			mCamera.startPreview();
        } catch (Exception e) {
            Log.d("DBG", "Error starting camera preview: " + e.getMessage());
        }
    }

	/**
	 * 预览数据
	 */
	PreviewCallback previewCallback = new PreviewCallback() {
		public void onPreviewFrame(byte[] data, Camera camera) {
			imgae_data.setData(data);
			long startTimeMillis = System.currentTimeMillis();
			//解码，返回值为0代表失败，>0表示成功
			int nsyms = scanner.scanImage(imgae_data);
			long endTimeMillis = System.currentTimeMillis();
			long cost_time = endTimeMillis-startTimeMillis;
			Resources resources = getResources();
			sb.append("count "+ decode_count++ );
			sb.append("\n"+"time "+ cost_time + " ms\n" );
      String result = "";
			if (nsyms != 0) {
				// playBeepSoundAndVibrate();//解码成功播放提示音
				SymbolSet syms = scanner.getResults();//获取解码结果

				for (Symbol sym : syms){
					sb.append("symbology"+ sym.getSymbolName()+ "\n");
					sb.append("capacity" + sym.getDataLength()+ "\n");
					sb.append("content" + sym.getResult());

					if(sym.getResult()!=null)
                        Log.i("XGH111",":"+sym.getResult());
                        result = sym.getResult();
				}


			}
			Log.i("XGH",":"+sb.toString());
			// textview.setText(sb.toString());
			sb.delete(0,sb.length());

			if(!result.equals("") && !result.contains(";")){
				String[] barcodes = new String[10];
				Message scanMsg = new Message();
				scanMsg.what = 1;
				Bundle scanBundle = new Bundle();
				barcodes[0] = result;
				scanBundle.putStringArray("barcodes", barcodes);
				scanMsg.setData(scanBundle);
				IminPrinter.getScanEventHandler().sendMessage(scanMsg);
				finish();
			}

		}
	};

	/**
	 * 自动对焦回调
	 */
	AutoFocusCallback autoFocusCallback = new AutoFocusCallback() {
		public void onAutoFocus(boolean success, Camera camera) {
			autoFocusHandler.postDelayed(doAutoFocus, 1000);
		}
	};
    private Runnable doAutoFocus = new Runnable() {
        public void run() {
            if (null == mCamera || null == autoFocusCallback) {
                return;
            }
            mCamera.autoFocus(autoFocusCallback);
        }
    };

	@Override
	public void surfaceCreated(SurfaceHolder holder) {
		try	{
			int df = Camera.getNumberOfCameras();
			mCamera = Camera.open(/*Camera.CameraInfo.CAMERA_FACING_BACK*/);
		} catch (Exception e){
			Log.d(TAG,"Exception=="+e.getMessage());
			mCamera = null;
		}
	}

	@Override
	public void surfaceDestroyed(SurfaceHolder holder) {
		if (mCamera != null){
			mCamera.setPreviewCallback(null);
			mCamera.release();
			mCamera = null;
		}
	}
 	private void initBeepSound(){
		if(soundUtils == null){
			soundUtils = new SoundUtils(this, SoundUtils.RING_SOUND);
			// soundUtils.putSound(0, R.raw.beep);
		}
 	}
 	@Override
 	protected void onResume() {
 		super.onResume();
 		initBeepSound();
 	}
 	private void playBeepSoundAndVibrate() {
		if(soundUtils != null){
			soundUtils.playSound(0, SoundUtils.SINGLE_PLAY);
		}
 	}
}