package com.example.mediagallery.UI.Activities;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;

import com.example.mediagallery.R;

import android.app.Activity;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

public class AudioActivity extends BaseActivity {
    private String title;
    private String trackUrl;
    private static final String LOG_TAG = "AudioActivity";

    private Button sendEmail_button;
    private TextView songTitle;
    private Button play_pauseButton;
    private Button stop_button;
    private TextView songPassedTime;
    private TextView songTotalTime;
    private SeekBar seekBar;
    private Handler handler = new Handler();
    private boolean isPrepared;

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

        Bundle bundle = getIntent().getExtras();
        title = bundle.getString(AudioListActivity.TRACK);
        trackUrl = bundle.getString(AudioListActivity.TRACK_URL);

        initializeActivityContent();
        initializeAudio();

    }

    public void initializeAudio() {
        mediaPlayer = new MediaPlayer();
        mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mediaPlayer.setOnPreparedListener(new OnPreparedListener() {

            @Override
            public void onPrepared(MediaPlayer mp) {
                isPrepared = true;
                updateProgressBar();
                Log.d(LOG_TAG, "media player is ready to playback");
            }

        });
        mediaPlayer.setOnErrorListener(new OnErrorListener() {

            @Override
            public boolean onError(MediaPlayer mp, int what, int extra) {
                Log.d(LOG_TAG,
                        "media player " + mp.toString() + " error "
                                + Integer.toString(what) + " error "
                                + Integer.toString(extra));
                return false;
            }
        });
        try {
            mediaPlayer.setDataSource(trackUrl);
        } catch (IllegalArgumentException e) {
            Log.d(LOG_TAG, e.toString());
        } catch (SecurityException e) {
            Log.d(LOG_TAG, e.toString());
        } catch (IllegalStateException e) {
            Log.d(LOG_TAG, e.toString());
        } catch (IOException e) {
            Log.d(LOG_TAG, e.toString());
        }
        mediaPlayer.prepareAsync();
        mediaPlayer.setOnCompletionListener(new OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                play_pauseButton.setText("Play");
                handler.removeCallbacks(updateTime);
                seekBar.setProgress(100);
                updateProgressBar();
            }
        });
    }

    private void initializeActivityContent() {
        songTitle = (TextView) findViewById(R.id.song_title);
        songTitle.setText(title);
        play_pauseButton = (Button) findViewById(R.id.button_song_play);
        stop_button = (Button) findViewById(R.id.button_song_stop);
        songPassedTime = (TextView) findViewById(R.id.song_passed_time);
        songPassedTime.setText("00:00");
        songTotalTime = (TextView) findViewById(R.id.total_song_time);
        songTotalTime.setText("00:00");
        seekBar = (SeekBar) findViewById(R.id.seekbar_player);
        sendEmail_button = (Button) findViewById(R.id.button_send_email);

        sendEmail_button.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
                intent.setType("*/*");
                intent.putExtra(Intent.EXTRA_SUBJECT, "Attachment from app");
                intent.putExtra(Intent.EXTRA_TEXT, "Sending mp3 file " + title);
                intent.putExtra(Intent.EXTRA_EMAIL, new String[] {"solidscorpion@gmail.com"});
                ArrayList<Uri> uris = new ArrayList<Uri>();

                uris.add(Uri.fromFile(new File(trackUrl)));

                intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);

                startActivity(Intent.createChooser(intent, "Send mail"));
            }
        });

        seekBar.setProgress(0);
        seekBar.setMax(100);
        seekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

            @Override
            public void onProgressChanged(SeekBar seekBar, int progress,
                    boolean fromUser) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                handler.removeCallbacks(updateTime);

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub
                handler.removeCallbacks(updateTime);
                int duration = mediaPlayer.getDuration();
                int currentPosition = Utilities.progressToTimer(
                        seekBar.getProgress(), duration);

                mediaPlayer.seekTo(currentPosition);
                updateProgressBar();
            }
        });

        play_pauseButton.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View button) {
                if (isPrepared) {
                    if (mediaPlayer.isPlaying()) {
                        mediaPlayer.pause();
                        updateProgressBar();
                        play_pauseButton.setText("Play");

                    } else {
                        updateProgressBar();
                        mediaPlayer.start();
                        play_pauseButton.setText("Pause");

                    }
                }
            }
        });

        stop_button.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mediaPlayer.isPlaying()) {
                    mediaPlayer.stop();
                    play_pauseButton.setText("Play");
                }
            }
        });

    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        MenuItem goToPhotoGallery = menu.findItem(R.id.head_to_photo);
        goToPhotoGallery.setVisible(true);
        return true;
    }

    @Override
    public void onBackPressed() {
        if (mediaPlayer.isPlaying()) {
            mediaPlayer.stop();
        }
        mediaPlayer.release();
        handler.removeCallbacks(updateTime);
        super.onBackPressed();
    }

    public void updateProgressBar() {
        handler.postDelayed(updateTime, 100);
    }

    private Runnable updateTime = new Runnable() {

        @Override
        public void run() {
            long totalDuration = mediaPlayer.getDuration();
            long currentTime = mediaPlayer.getCurrentPosition();

            songTotalTime.setText(""
                    + Utilities.millisecondsToTimer(totalDuration));
            songPassedTime.setText(""
                    + Utilities.millisecondsToTimer(currentTime));

            int progress = Utilities.getProgressPercentage(currentTime,
                    totalDuration);
            seekBar.setProgress(progress);
            handler.postDelayed(this, 100);

        }
    };

    private static class Utilities {

        public static String millisecondsToTimer(long milliseconds) {
            String timerTime = "";
            String secondsTime = "";

            int hours = (int) (milliseconds / (1000 * 60 * 60));
            int minutes = (int) (milliseconds % (1000 * 60 * 60)) / (1000 * 60);
            int seconds = (int) ((milliseconds % (1000 * 60 * 60))
                    % (1000 * 60) / 1000);

            if (hours > 0) {
                timerTime = hours + ":";
            }

            if (seconds < 10) {
                secondsTime = "0" + seconds;
            } else {
                secondsTime = "" + seconds;
            }

            timerTime = timerTime + minutes + ":" + secondsTime;

            return timerTime;
        }

        public static int getProgressPercentage(long currentDuration,
                long totalDuration) {
            Double percentage = (double) 0;

            long currentSeconds = (int) (currentDuration / 1000);
            long totalSeconds = (int) (totalDuration / 1000);

            percentage = ((double) currentSeconds / totalSeconds) * 100;

            return percentage.intValue();
        }

        public static int progressToTimer(int progress, int totalDuration) {
            int currentDuration = 0;
            totalDuration = (int) (totalDuration / 1000);
            currentDuration = (int) (((double) progress / 100) * totalDuration);

            return currentDuration * 1000;
        }

    }

}