package com.commonsware.android.vidtry;

import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.SystemClock;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ProgressBar;

public class Player extends Activity implements OnCompletionListener,
        MediaPlayer.OnPreparedListener, SurfaceHolder.Callback {

    private static String TAG = "VideoPlayer";
    private int width=0;
    private int height=0;
    private MediaPlayer player;
    private TappableSurfaceView surface;
    private SurfaceHolder holder;
    private View bottomPanel=null;
    private long lastActionTime=0L;
    private boolean isPaused=false;
    private Button go=null;
    private ProgressBar progressBar =null;
    private ImageButton btnVideoPause =null;
    private ImageButton btnVideoStop =null;

    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);

        setContentView(R.layout.main);

        surface=(TappableSurfaceView)findViewById(R.id.surface);
        surface.addTapListener(onTap);
        holder=surface.getHolder();
        holder.addCallback(this);
        holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

        bottomPanel=findViewById(R.id.bottom_panel);
        progressBar =(ProgressBar)findViewById(R.id.timeline);
        btnVideoPause =(ImageButton)findViewById(R.id.btnVideoPause);
        btnVideoPause.setOnClickListener(onVidCtrlClick);
        btnVideoStop =(ImageButton)findViewById(R.id.btnVideoStop);
        btnVideoStop.setOnClickListener(onVidCtrlClick);
    }

    @Override
    public void onStart() {
        super.onStart();
        playVideo("/sdcard/myapp/category/1/video_agkkr6me.mp4");
        clearPanels(true);
    }

    private void playVideo(String url) {
        try {
            btnVideoPause.setEnabled(false);
            if (player==null) {
                player=new MediaPlayer();
                player.setScreenOnWhilePlaying(true);
            }
            else {
                player.stop();
                player.reset();
            }
            url = "/sdcard/myapp/main/videos/main.mp4";  // <--- just for test purposes hardcoded here now
            player.setDataSource(url);
            player.setDisplay(holder);
            player.setAudioStreamType(AudioManager.STREAM_MUSIC);
            player.setOnCompletionListener(this);
            player.setOnPreparedListener(this);

            player.setOnSeekCompleteListener(new MediaPlayer.OnSeekCompleteListener() {
                public void onSeekComplete(MediaPlayer mediaPlayer) {
                    Log.d("APP", "current pos... "+ player.getCurrentPosition() );
                    player.start();          // <------------------ start video on seek completed
                    player.setOnSeekCompleteListener(null);
                }
            });
            player.prepareAsync();
        }
        catch (Throwable t) {
            Log.e(TAG, "Exception in btnVideoPause prep", t);
        }
    }

    public void onPrepared(MediaPlayer mediaplayer) {
        width=player.getVideoWidth();
        height=player.getVideoHeight();
        if (width!=0 && height!=0) {
            holder.setFixedSize(width, height);
            progressBar.setProgress(0);
            progressBar.setMax(player.getDuration());
            player.seekTo(16867);                   // <------------------ seeking to position
        }
        btnVideoPause.setEnabled(true);
    }


    @Override
    protected void onResume() {
        super.onResume();

        isPaused=false;
        surface.postDelayed(onEverySecond, 1000);
    }

    @Override
    protected void onPause() {
        super.onPause();
        isPaused=true;
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (player!=null) {
            player.release();
            player=null;
        }
        surface.removeTapListener(onTap);
    }


    private void clearPanels(boolean both) {
        lastActionTime=0;
        bottomPanel.setVisibility(View.GONE);
    }


    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        lastActionTime=SystemClock.elapsedRealtime();

        if (keyCode==KeyEvent.KEYCODE_BACK &&
                 bottomPanel.getVisibility()==View.VISIBLE) {
            clearPanels(true);

            return(true);
        }

        return(super.onKeyDown(keyCode, event));
    }

    public void onCompletion(MediaPlayer arg0) {
        btnVideoPause.setEnabled(false);
    }

    private TappableSurfaceView.TapListener onTap=
        new TappableSurfaceView.TapListener() {
        public void onTap(MotionEvent event) {
            lastActionTime=SystemClock.elapsedRealtime();
            bottomPanel.setVisibility(View.VISIBLE);
        }
    };

    private Runnable onEverySecond=new Runnable() {
        public void run() {
            if (lastActionTime>0 &&
                    SystemClock.elapsedRealtime()-lastActionTime>3000) {
                clearPanels(false);
            }
            if (player!=null) {
                progressBar.setProgress(player.getCurrentPosition());
            }
            if (!isPaused) {
                surface.postDelayed(onEverySecond, 1000);
            }
        }
    };

    private View.OnClickListener onVidCtrlClick = new View.OnClickListener() {
        public void onClick(View v) {
            lastActionTime = SystemClock.elapsedRealtime();

            switch(v.getId()) {
                case R.id.btnVideoPause:
                    Log.d(TAG,"onVidCtrlClick btnVideoPause" );
                    if (player!=null) {
                        if (player.isPlaying()) {
                            btnVideoPause.setImageResource(R.drawable.icon_media_player_play);
                            player.pause();
                        }
                        else {
                            btnVideoPause.setImageResource(R.drawable.icon_media_player_pause);
                            player.start();
                        }
                    }
                    break;
                case R.id.btnVideoStop:
                    Log.d(TAG,"onVidCtrlClick btnVideoPlay" );
                    btnVideoPause.setImageResource(R.drawable.icon_media_player_play);
//                    player.pause();
                    player.stop();;
                    break;
            }

        }
    };

    public void surfaceChanged(SurfaceHolder surfaceholder, int i, int j, int k) {}
    public void surfaceDestroyed(SurfaceHolder surfaceholder) {}
    public void surfaceCreated(SurfaceHolder holder) {}

}