package com.bokecc.dwlivedemo.scan.qr_codescan;

import android.Manifest;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.util.Log;
import android.view.Display;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;

import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import com.bokecc.dwlivedemo.R;
import com.bokecc.dwlivedemo.scan.zxing.CodeUtils;
import com.bokecc.dwlivedemo.scan.zxing.camera.CameraManager;
import com.bokecc.dwlivedemo.scan.zxing.decoding.CaptureActivityHandler;
import com.bokecc.dwlivedemo.scan.zxing.decoding.InactivityTimer;
import com.bokecc.dwlivedemo.scan.zxing.view.ViewfinderView;
import com.bokecc.dwlivedemo.utils.PermissionRequestBean;
import com.bokecc.livemodule.view.CustomToast;
import com.bokecc.sdk.mobile.live.common.log.ELog;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;

import java.io.IOException;
import java.util.Vector;

public class MipcaActivityCapture extends Activity implements Callback, View.OnClickListener {

    private static final String TAG = "MipcaActivityCapture";
    private CaptureActivityHandler handler;
    private ViewfinderView viewfinderView;
    private boolean hasSurface;
    private Vector<BarcodeFormat> decodeFormats;
    private String characterSet;
    private InactivityTimer inactivityTimer;
    private MediaPlayer mediaPlayer;
    private boolean playBeep;
    private static final float BEEP_VOLUME = 0.10f;
    private boolean vibrate;
    private static final int REQUEST_CODE = 100;
    private ProgressDialog mProgress;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_capture);
        viewfinderView = findViewById(R.id.viewfinder_view);
        ImageView tvBack = findViewById(R.id.iv_back);
        TextView tvPhoto = findViewById(R.id.tv_photo);
        tvBack.setOnClickListener(this);
        tvPhoto.setOnClickListener(this);

        hasSurface = false;
        inactivityTimer = new InactivityTimer(this);

        CameraManager.init(getApplication());

        //检查存储权限
        PermissionRequestBean permissionRequestBean = new PermissionRequestBean(new String[]{Manifest.permission.CAMERA,Manifest.permission.READ_EXTERNAL_STORAGE,Manifest.permission.WRITE_EXTERNAL_STORAGE});

        permissionRequestBean.request(this, new PermissionRequestBean.PermissionCallback() {
            @Override
            public void onResult(boolean success) {
                if (!success){
                    Toast.makeText(MipcaActivityCapture.this, "前往系统权限设置页面中手动打开相机与存储权限后方可使用扫码功能", Toast.LENGTH_SHORT).show();
                    finish();
                }
            }

        });

    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.iv_back) {
            finish();
        } else if (v.getId() == R.id.tv_photo) {
            Intent innerIntent = new Intent();
            if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
                innerIntent.setAction(Intent.ACTION_GET_CONTENT);
            } else {
                innerIntent.setAction(Intent.ACTION_OPEN_DOCUMENT);
            }
            innerIntent.setType("image/*");
            Intent wrapperIntent = Intent.createChooser(innerIntent, "选择二维码图片");
            this.startActivityForResult(wrapperIntent, REQUEST_CODE);
        }
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) {
            if (requestCode == REQUEST_CODE) {
                Uri dataUri = data.getData();
                // 获取选取的图片的路径
                final String photo_path = uri2FilePath(dataUri);

                mProgress = new ProgressDialog(MipcaActivityCapture.this);
                mProgress.setMessage("waiting...");
                mProgress.setCancelable(false);
                mProgress.show();

                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        final Result result = scanningImage(photo_path);
                        if (result != null) {
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    onResultHandler(result.getText());
                                }
                            });
                        } else {
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    String error = "扫描失败，请扫描正确的播放二维码";
                                    CustomToast.showToast(MipcaActivityCapture.this, error, Toast.LENGTH_LONG);
                                    if (mProgress != null) {
                                        mProgress.dismiss();
                                    }
                                }
                            });

                        }
                    }
                }).start();
            }
        }
    }

    /**
     * 获取图片内容时可能的返回值
     * content://com.android.providers.media.documents/document/image:3951
     * content://media/external/images/media/3951
     */
    private String uri2FilePath(Uri uri) {
        String imagePath = null;
        //获取系統版本
        int currentapiVersion = Build.VERSION.SDK_INT;
        if (currentapiVersion > Build.VERSION_CODES.KITKAT) {
            Log.d("uri=intent.getData :", "" + uri);
            if (DocumentsContract.isDocumentUri(this, uri)) {
                String docId = DocumentsContract.getDocumentId(uri);
                Log.d("getDocumentId(uri) :", "" + docId);
                Log.d("uri.getAuthority() :", "" + uri.getAuthority());
                if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
                    String id = docId.split(":")[1];
                    String selection = MediaStore.Images.Media._ID + "=" + id;
                    imagePath = getImagePath(this, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection);
                } else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
                    Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.parseLong(docId));
                    imagePath = getImagePath(this, contentUri, null);
                }

            } else if ("content".equalsIgnoreCase(uri.getScheme())) {
                imagePath = getImagePath(this, uri, null);
            }
        } else {
            imagePath = getImagePath(this, uri, null);
        }

        return imagePath;
    }

    /**
     * 通过uri和selection来获取真实的图片路径,从相册获取图片时要用
     */
    private static String getImagePath(Context context, Uri uri, String selection) {
        String path = null;
        Cursor cursor = context.getContentResolver().query(uri, null, selection, null, null);
        if (cursor != null) {
            if (cursor.moveToFirst()) {
                path = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Media.DATA));
            }
            cursor.close();
        }
        return path;
    }


    private Result scanningImage(String path) {
        if (TextUtils.isEmpty(path)) {
            return null;
        }
        ELog.d(TAG, "path:" + path);
        try {
            return CodeUtils.parseQRCodeResult(path);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }


    @Override
    protected void onResume() {
        super.onResume();
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);

        WindowManager windowManager = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
        Display display = windowManager.getDefaultDisplay();
        RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(display.getWidth(), display.getWidth() * 16 / 9);
        layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
        surfaceView.setLayoutParams(layoutParams);

        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        if (hasSurface) {
            initCamera(surfaceHolder);
        } else {
            surfaceHolder.addCallback(this);
            surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }
        decodeFormats = null;
        characterSet = null;

        playBeep = true;
        AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
        if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
            playBeep = false;
        }
        initBeepSound();
        vibrate = true;

    }

    @Override
    protected void onPause() {
        super.onPause();
        if (handler != null) {
            handler.quitSynchronously();
            handler = null;
        }
        CameraManager.get().closeDriver();
    }

    @Override
    protected void onDestroy() {
        inactivityTimer.shutdown();
        super.onDestroy();
    }

    public void handleDecode(Result result, Bitmap barcode) {
        inactivityTimer.onActivity();
        playBeepSoundAndVibrate();
        String resultString = result.getText();
        onResultHandler(resultString);
    }

    private void onResultHandler(String resultString) {
        if (TextUtils.isEmpty(resultString)) {
            CustomToast.showToast(MipcaActivityCapture.this, "扫描失败，请扫描正确的播放二维码", Toast.LENGTH_SHORT);
            return;
        }
        Intent resultIntent = new Intent();
        Bundle bundle = new Bundle();
        bundle.putString("result", resultString);
        resultIntent.putExtras(bundle);
        this.setResult(RESULT_OK, resultIntent);
        MipcaActivityCapture.this.finish();
    }

    private void initCamera(SurfaceHolder surfaceHolder) {
        try {
            CameraManager.get().openDriver(surfaceHolder);
        } catch (IOException ioe) {
            return;
        } catch (RuntimeException e) {
            return;
        }
        if (handler == null) {
            handler = new CaptureActivityHandler(this, decodeFormats, characterSet);
        }
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {

    }

    @Override
    public void surfaceCreated(final SurfaceHolder holder) {
        if (!hasSurface) {
            hasSurface = true;

            initCamera(holder);
        }

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        hasSurface = false;

    }

    public ViewfinderView getViewfinderView() {
        return viewfinderView;
    }

    public Handler getHandler() {
        return handler;
    }

    public void drawViewfinder() {
        viewfinderView.drawViewfinder();

    }

    private void initBeepSound() {
        if (playBeep && mediaPlayer == null) {
            // The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
            // so we now play on the music stream.
            setVolumeControlStream(AudioManager.STREAM_MUSIC);
            mediaPlayer = new MediaPlayer();
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mediaPlayer.setOnCompletionListener(beepListener);

            AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
            try {
                mediaPlayer.setDataSource(file.getFileDescriptor(),
                        file.getStartOffset(), file.getLength());
                file.close();
                mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
                mediaPlayer.prepare();
            } catch (IOException e) {
                mediaPlayer = null;
            }
        }
    }

    private void playBeepSoundAndVibrate() {
        if (playBeep && mediaPlayer != null) {
            mediaPlayer.start();
        }
        if (vibrate) {
            Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
            vibrator.vibrate(200L);
        }
    }


    private final OnCompletionListener beepListener = new OnCompletionListener() {
        public void onCompletion(MediaPlayer mediaPlayer) {
            mediaPlayer.seekTo(0);
        }
    };


}