package com.example.plugina;

import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.os.Build;
import android.os.Environment;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.View;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.bingo.apkloader.base.ApkContext;
import com.bingo.apkloader.base.ApkWindowBuild;
import com.github.faucamp.simplertmp.RtmpHandler;

import net.ossrs.yasea.SrsCameraView;
import net.ossrs.yasea.SrsEncodeHandler;
import net.ossrs.yasea.SrsPublisher;
import net.ossrs.yasea.SrsRecordHandler;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.SocketException;

public class ViewPush implements
        RtmpHandler.RtmpListener, SrsRecordHandler.SrsRecordListener, SrsEncodeHandler.SrsEncodeListener,
        SurfaceHolder.Callback, View.OnTouchListener, View.OnClickListener {
    private static final String TAG = "ViewPush";

    private ApkWindowBuild apkWindowBuild;
    private ApkContext apkContext;
    private WindowManager windowManager;
    private WindowManager.LayoutParams windowParams;

    private String pushUrl;
    private String apiBaseUrl;
    private String userId;
    private String token;
    private String sourceType;
    private String group;
    private String owner;
    private String orientation;

    private boolean destroyed = false;
    private int mWidth = 640;
    private int mHeight = 480;
    private static final long DOUBLE_BACK_TOUCH_INTERVAL = 2000; // 两次按下返回键的时间间隔，单位为毫秒
    private long mLastBackPressTime = 0;

    private SrsPublisher mPublisher;
    private SrsCameraView mCameraView;
    private TextView txtOnlineCount;

    private View contentView = null;
    private Handler mainLooperHandler = new Handler(Looper.getMainLooper());

    public ViewPush(ApkContext apkContext, ApkWindowBuild apkWindowBuild,String pushUrl,
                    String apiBaseUrl,
                    String userId,
                    String token,
                    String sourceType,
                    String group,
                    String owner,
                    String orientation) {
        this.pushUrl = pushUrl;
        this.apiBaseUrl = apiBaseUrl;
        this.userId = userId;
        this.token = token;
        this.sourceType = sourceType;
        this.group = group;
        this.owner = owner;
        this.orientation = orientation;

        this.apkContext = apkContext;
        this.apkWindowBuild = apkWindowBuild;
        this.contentView = this.apkWindowBuild.Inflate(R.layout.view_push);
        this.init();
    }

    public void show(){
        mCameraView = this.contentView.findViewById(R.id.glsurfaceview_camera);
        mCameraView.setInitPreviewOrientation("horizontal".equals(this.orientation) ? Configuration.ORIENTATION_LANDSCAPE : Configuration.ORIENTATION_PORTRAIT);
        mCameraView.setOnTouchListener(this);
        mCameraView.setCameraCallbacksHandler(new SrsCameraView.CameraCallbacksHandler(){
            @Override
            public void onCameraParameters(Camera.Parameters params) {
            }
        });

        mPublisher = new SrsPublisher(mCameraView);
        mPublisher.setEncodeHandler(new SrsEncodeHandler(this));
        mPublisher.setRtmpHandler(new RtmpHandler(this));
        mPublisher.setRecordHandler(new SrsRecordHandler(this));
        mPublisher.setPreviewResolution(mWidth, mHeight);
        mPublisher.setOutputResolution(mHeight, mWidth); // 这里要和preview反过来
        mPublisher.setVideoHDMode();


        this.contentView.findViewById(R.id.ivClose).setOnClickListener(this);
        this.contentView.findViewById(R.id.btnSwitch).setOnClickListener(this);
        this.contentView.findViewById(R.id.btnEnableAudio).setOnClickListener(this);
        this.contentView.findViewById(R.id.btnCapture).setOnClickListener(this);
        this.contentView.findViewById(R.id.ivFullscreen).setOnClickListener(this);

        handler.post(httpRequestRunnable);
        mainLooperHandler.post(new Runnable() {
            @Override
            public void run() {
//                startPush();
            }
        });

        if (windowManager == null) {
            windowManager = (WindowManager) this.apkContext.getContext().getSystemService(Context.WINDOW_SERVICE);
        }

        if (windowParams == null) {
            int LAYOUT_FLAG;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                LAYOUT_FLAG = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
            } else {
                LAYOUT_FLAG = WindowManager.LayoutParams.TYPE_PHONE;
            }
            // 初始化LayoutParams
            windowParams = new WindowManager.LayoutParams(
                    WindowManager.LayoutParams.MATCH_PARENT,
                    WindowManager.LayoutParams.MATCH_PARENT,
                    WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
                    WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
                    PixelFormat.TRANSLUCENT
            );
        }

        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
            windowParams.type = WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
        }else{
            windowParams.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
        }
        windowParams.gravity = Gravity.START | Gravity.TOP;

        if ("horizontal".equals(this.orientation)){
            int maxScreenWidth = windowManager.getDefaultDisplay().getWidth();
            windowParams.width = (int)(maxScreenWidth * 0.5);
            windowParams.x = windowParams.width;
        }else{
            int maxScreenHeight = windowManager.getDefaultDisplay().getHeight();
            windowParams.height = (int)(maxScreenHeight * 0.5);
            windowParams.y = windowParams.height;
        }
        Log.d(TAG, "-->show this.apkWindowBuild.AddView");
        this.apkWindowBuild.AddView(this.contentView, windowParams);
    }

    private void init() {
        txtOnlineCount = this.contentView.findViewById(R.id.txtOnlineCount);
    }

    private void startPush() {
        mPublisher.startCamera();
        mPublisher.startPublish(this.pushUrl);
    }

    ////////////////////////////////////////////get和set///////////////////////////////////////////////
    public static String getTAG() {
        return TAG;
    }

    public ApkWindowBuild getApkWindowBuild() {
        return apkWindowBuild;
    }

    public void setApkViewBuild(ApkWindowBuild apkWindowBuild) {
        this.apkWindowBuild = apkWindowBuild;
    }

    public String getPushUrl() {
        return pushUrl;
    }

    public void setPushUrl(String pushUrl) {
        this.pushUrl = pushUrl;
    }

    public String getApiBaseUrl() {
        return apiBaseUrl;
    }

    public void setApiBaseUrl(String apiBaseUrl) {
        this.apiBaseUrl = apiBaseUrl;
    }

    public String getUserId() {
        return userId;
    }

    public void setUserId(String userId) {
        this.userId = userId;
    }

    public String getToken() {
        return token;
    }

    public void setToken(String token) {
        this.token = token;
    }

    public String getSourceType() {
        return sourceType;
    }

    public void setSourceType(String sourceType) {
        this.sourceType = sourceType;
    }

    public String getGroup() {
        return group;
    }

    public void setGroup(String group) {
        this.group = group;
    }

    public String getOwner() {
        return owner;
    }

    public void setOwner(String owner) {
        this.owner = owner;
    }

    private void close(){
        this.destroyed = true;

        mPublisher.stopPublish();
        mPublisher.stopRecord();

//        if (Main.liveBroadcastId != null && !Main.liveBroadcastId.isEmpty()){
//            new Thread(new Runnable() {
//                @Override
//                public void run() {
//                    HttpUtil.shutdownLiveBroadcast(ViewPush.this.apiBaseUrl, ViewPush.this.token, Main.liveBroadcastId);
//                }
//            }).start();
//        }

        this.apkWindowBuild.removeView(this.contentView);
    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {

    }

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

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.ivClose){
            long currentTime = System.currentTimeMillis();
            if (currentTime - mLastBackPressTime > DOUBLE_BACK_TOUCH_INTERVAL) {
                mLastBackPressTime = currentTime;
                Toast.makeText(this.contentView.getContext(), "再按一次退出直播", Toast.LENGTH_SHORT).show();
            } else {
                this.close();
            }
        }else if (v.getId() == R.id.btnSwitch){
            mPublisher.switchCameraFace((mPublisher.getCameraId() + 1) % Camera.getNumberOfCameras());
        }else if(v.getId() == R.id.btnEnableAudio){
            if (v.getTag() == null){
                mPublisher.setSendVideoOnly(true);
                ((ImageView)v).setImageResource(R.drawable.microphone_off);
                v.setTag(1);
            }else{
                mPublisher.setSendVideoOnly(false);
                ((ImageView)v).setImageResource(R.drawable.microphone_on);
                v.setTag(null);
            }
        }else if(v.getId() == R.id.btnCapture){
            takePicture();
        }else if(v.getId() == R.id.ivFullscreen){
            Object tag = v.getTag();
            if (tag == null || tag.toString() == "full_screen"){
                this.updateContentViewFullscreen(true);
                ((ImageView)v).setImageResource(R.drawable.normal_screen);
                v.setTag("normal_screen");
            }else{
                this.updateContentViewFullscreen(false);
                ((ImageView)v).setImageResource(R.drawable.full_screen);
                v.setTag("full_screen");
            }
        }
    }

    @Override
    public boolean onTouch(View v, MotionEvent event) {
        int action = event.getAction();
        if (event.getPointerCount() > 1) {
            if (action == MotionEvent.ACTION_MOVE) {
                mCameraView.setZoom(event);
            }
        }
        return true;
    }

    /**
     * 设置是否为全屏
     * @param full
     */
    private void updateContentViewFullscreen(boolean full){
        if (full){
            if ("horizontal".equals(this.orientation)){
                this.windowParams.width = WindowManager.LayoutParams.MATCH_PARENT;
            }else{
                this.windowParams.height = WindowManager.LayoutParams.MATCH_PARENT;
            }
        }else{
            if ("horizontal".equals(this.orientation)){
                int maxScreenWidth = windowManager.getDefaultDisplay().getWidth();
                this.windowParams.width = (int)(maxScreenWidth * 0.5);
                this.windowParams.x = windowParams.width;
            }else{
                int maxScreenHeight = windowManager.getDefaultDisplay().getHeight();
                this.windowParams.height = (int)(maxScreenHeight * 0.5);
                this.windowParams.y = windowParams.height;
            }
        }
////        this.apkWindowBuild.updateViewLayout(this.contentView, this.windowParams);
    }

    // 截图方法
    private void takePicture() {
        if(this.mCameraView.getCamera() != null) {
            this.mCameraView.getCamera().takePicture(null, null, new Camera.PictureCallback() {
                @Override
                public void onPictureTaken(byte[] data, Camera camera) {
                    // data就是图片的字节数组
                    Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
                    // 保存图片
                    saveBitmap(bitmap);
                    // 重新开始预览
                    camera.startPreview();
                }
            });
        }
    }

    private void saveBitmap(Bitmap bitmap) {
        String fileName = "IMG_" + System.currentTimeMillis() + ".jpg";
        File file = new File(this.contentView.getContext().getExternalFilesDir(Environment.DIRECTORY_PICTURES), fileName);

        try (FileOutputStream fos = new FileOutputStream(file)) {
            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
            fos.flush();
        } catch (IOException e) {
            Log.e(TAG, e.getMessage());
            e.printStackTrace();
        }
    }

    private Handler handler = new Handler();
    private Runnable httpRequestRunnable = new Runnable() {
        @Override
        public void run() {
            if (ViewPush.this.destroyed){
                Log.d(TAG, "exit request task");
                return;
            }
            updateTextViewContent();
            // 每隔3秒发起一次HTTP请求
            handler.postDelayed(this, 3000);
        }
    };

    private void updateTextViewContent() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
//                    if (Main.liveBroadcastId.isEmpty()){
//                        return;
//                    }
                    final long count = 0; //HttpUtil.fetchOnlineCount(ViewPush.this.apiBaseUrl, ViewPush.this.token, Main.liveBroadcastId, "push", "");

                    // 在UI线程更新TextView内容
                    ViewPush.this.contentView.post(new Runnable() {
                        @Override
                        public void run() {
                            ViewPush.this.txtOnlineCount.setText("在线观看人数：" + count);
                        }
                    });
                } catch (Exception e) {
                    Log.e(TAG, e.getMessage());
                }
            }
        }).start();
    }

    private String getCreateJsonString() {
        String formatStr = "{\"sourceType\":\"%s\", \"objectId\":\"%s\", \"config\":\"{}\", \"owner\":\"%s\", \"group\":\"%s\", \"status\":%d}";
        return String.format(formatStr, this.sourceType, this.userId, this.owner, this.group.trim().isEmpty() ? "72-0" : this.group.trim(), 10);
    }

    @Override
    public void onRtmpConnecting(String s) {
        Toast.makeText(ViewPush.this.contentView.getContext(), "连接中", Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onRtmpConnected(String s) {
        mainLooperHandler.post(new Runnable() {
            @Override
            public void run() {
//                // 空的则代表需要创建直播
//                new Thread(new Runnable() {
//                    @Override
//                    public void run() {
//                        if (ViewPush.this.destroyed){
//                            return;
//                        }
//                        if (Main.liveBroadcastId.isEmpty()) {
//                            Main.liveBroadcastId = HttpUtil.createLiveBroadcase(ViewPush.this.apiBaseUrl, ViewPush.this.token, ViewPush.this.getCreateJsonString());
//                        }else{
//                            HttpUtil.openLiveBroadcast(ViewPush.this.apiBaseUrl, ViewPush.this.token, Main.liveBroadcastId);
//                        }
//                    }
//                }).start();
                Toast.makeText(ViewPush.this.contentView.getContext(), "连接成功", Toast.LENGTH_SHORT).show();
            }
        });
    }

    @Override
    public void onRtmpVideoStreaming() {

    }

    @Override
    public void onRtmpAudioStreaming() {

    }

    @Override
    public void onRtmpStopped() {

    }

    @Override
    public void onRtmpDisconnected() {

    }

    @Override
    public void onRtmpVideoFpsChanged(double v) {

    }

    @Override
    public void onRtmpVideoBitrateChanged(double v) {

    }

    @Override
    public void onRtmpAudioBitrateChanged(double v) {

    }

    @Override
    public void onRtmpSocketException(SocketException e) {

    }

    @Override
    public void onRtmpIOException(IOException e) {

    }

    @Override
    public void onRtmpIllegalArgumentException(IllegalArgumentException e) {

    }

    @Override
    public void onRtmpIllegalStateException(IllegalStateException e) {

    }

    @Override
    public void onNetworkWeak() {

    }

    @Override
    public void onNetworkResume() {

    }

    @Override
    public void onEncodeIllegalArgumentException(IllegalArgumentException e) {

    }

    @Override
    public void onRecordPause() {

    }

    @Override
    public void onRecordResume() {

    }

    @Override
    public void onRecordStarted(String s) {

    }

    @Override
    public void onRecordFinished(String s) {

    }

    @Override
    public void onRecordIllegalArgumentException(IllegalArgumentException e) {

    }

    @Override
    public void onRecordIOException(IOException e) {

    }
}