* The Activity can retrieve Videos for a specific username from YouTube</br> It
 * then displays them into a list including the Thumbnail preview and the
 * title</br> There is a reference to each video on YouTube as well but this
 * isn't used in this tutorial</br> </br> <b>Note<b/> orientation change isn't
 * covered in this tutorial, you will want to override onSaveInstanceState() and
 * onRestoreInstanceState() when you come to this </br>
 *
 */
public class Home extends YouTubeBaseActivity implements

VideoClickListener {
	// A reference to our list that will hold the video details
	private VideosListView listView;
	private ActionBarDrawerToggle actionBarDrawerToggle;
	public static final String API_KEY = "AIzaSyC0Te2pyooXzuyLaE6_SsFlITKCwjj55fI";
	public static final String VIDEO_ID = "o7VVHhK9zf0";
	private int mCurrentTabPosition = NO_CURRENT_POSITION;
	private static final int NO_CURRENT_POSITION = -1;
	private DrawerLayout drawerLayout;
	private ListView drawerListView;
	private String[] drawerListViewItems;

	ScrollView mainScrollView;
	Button fav_up_btn1;
	Button fav_dwn_btn1;
	String TAG = "DEBUG THIS";
	String playlist = "eminemvevo";
	Activity activity;
	int imageArray[];
	String[] stringArray;
    String runPrevious = "No";
	private OnPageChangeListener mPageChangeListener;
	ImagePagerAdapter adapter = new ImagePagerAdapter();

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.home);
		final ActionBar actionBar = getActionBar();
		final ViewPager mPager = (ViewPager) findViewById(R.id.view_pager);
		adapter.notifyDataSetChanged();
		mPager.setAdapter(adapter);
		actionBar.setCustomView(R.layout.actionbar_custom_view_home);
		actionBar.setDisplayShowTitleEnabled(false);
		actionBar.setDisplayShowCustomEnabled(true);
		drawerListViewItems = getResources().getStringArray(R.array.items);
		drawerListView = (ListView) findViewById(R.id.left_drawer);
		drawerListView.setAdapter(new ArrayAdapter<String>(this,
				R.layout.drawer_listview_item, drawerListViewItems));
		mPager.setOnPageChangeListener(mPageChangeListener);
		drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
		actionBarDrawerToggle = new ActionBarDrawerToggle(this, /* host Activity */
				drawerLayout, /* DrawerLayout object */
				R.drawable.ic_drawer, /* nav drawer icon to replace 'Up' caret */
				R.string.drawer_open, /* "open drawer" description */
				R.string.drawer_close /* "close drawer" description */
				);
		drawerLayout.setDrawerListener(actionBarDrawerToggle);

		getActionBar().setDisplayHomeAsUpEnabled(true);
		 _initMenu();
		drawerLayout.setDrawerShadow(R.drawable.drawer_shadow,
				GravityCompat.START);

		listView = (VideosListView) findViewById(R.id.videosListView);
		listView.setOnVideoClickListener(this);
		new GetYouTubeUserVideosTask(responseHandler, playlist).execute();
                mPager.setOnPageChangeListener(new OnPageChangeListener() {

			@Override
			public void onPageSelected(int pos) {
//				Toast.makeText(getApplicationContext(), "onPageSelected",
//						Toast.LENGTH_SHORT).show();

				String playlist1 = "themozartgroup";
				Log.d("PK","**** onPageSelected");
				new GetYouTubeUserVideosTask(responseHandler, playlist1).execute();
				//adapter.notifyDataSetChanged();

			}

			@Override
			public void onPageScrolled(int arg0, float arg1, int arg2) {
				Log.d("PK","onPageScrolled");
				// TODO Auto-generated method stub
				// Toast.makeText(getApplicationContext(), "onPageScrolled",
				// Toast.LENGTH_SHORT).show();
			}

			@Override
			public void onPageScrollStateChanged(int pos) {

				Log.d("PK","onPageScrollStateChanged");

//				Toast.makeText(getApplicationContext(),
//						"onPageScrollStateChanged", Toast.LENGTH_SHORT).show();
				//String playlist = "TheMozARTGROUP‎";
				 //new GetYouTubeUserVideosTask(responseHandler, playlist).execute();
				 //adapter.notifyDataSetChanged();
//
			}
		});



		mPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {

			@Override
			public void onPageSelected(int position) {
				onTabChanged(mPager.getAdapter(), mCurrentTabPosition, position);
				position = mCurrentTabPosition;
				int oldPos = mPager.getCurrentItem();

				Log.d("PK","Page selected");

				if (position > oldPos) {

					System.out.print(position);
					// Moving to the right
					String playlist = "TheMozARTGROUP‎";
					new GetYouTubeUserVideosTask(responseHandler, playlist)
					.execute();

					View vg = findViewById(R.layout.home);
					vg.invalidate();

				}
				if (position > oldPos) {

					System.out.print(position);
					// Moving to the right
					String playlist = "TheMozARTGROUP‎";
					new GetYouTubeUserVideosTask(responseHandler, playlist)
					.execute();

					View vg = findViewById(R.layout.home);
					vg.invalidate();



				} else if (position < oldPos) {
					// Moving to the Left
					System.out.print(position);
					String playlist = "TheMozARTGROUP‎";
					new GetYouTubeUserVideosTask(responseHandler, playlist)
					.execute();

					View vg = findViewById(R.layout.home);
					vg.invalidate();

				}
				mPager.setOnPageChangeListener(mPageChangeListener);
			}

			private void onTabChanged(PagerAdapter adapter,
					int mCurrentTabPosition, int position) {

				Log.d("PK","Tab changed");
				// TODO Auto-generated method stub

			}
		};}

	private void _initMenu() {
		// TODO Auto-generated method stub
		class DrawerItemClickListener implements
		ListView.OnItemClickListener {

			@Override
			public void onItemClick(AdapterView parent, View view,
					int position, long id) {

				Log.d("pk","onItemClick");
				// Highlight the selected item, update the title, and close the
				// drawer
				// update selected item and title, then close the drawer
				drawerListView.setItemChecked(position, true);
				setTitle("......");

Toast.makeText(getApplicationContext(), "Item Clicked",
				Toast.LENGTH_SHORT).show();
//				Toast.makeText(Home.this, text, Toast.LENGTH_LONG).show();
				drawerLayout.closeDrawer(drawerListView);

			}

		}}

	private class MyActivityGetYouTubeUserVideosTask extends GetYouTubeUserVideosTask {
	    public MyActivityGetYouTubeUserVideosTask(Handler replyTo,
				String username) {
			super(replyTo, username);
			// TODO Auto-generated constructor stub
		}

		@Override
	    protected void onPostExecute(Void result) {
	        if (result != null) {
	            // TODO update your list data
	            // note: assuming your data is stored in an ArrayList<MyData>,
	            // you cannot create a new one. you must clear() the current
	            // ArrayList and add() the result to it.

	        	adapter.notifyDataSetChanged();
	        }

	    }
	}





	Handler responseHandler = new Handler() {
		@Override
		public void handleMessage(Message msg) {
			populateListWithVideos(msg);
		};
	};

	private void populateListWithVideos(Message msg) {
		Library lib = (Library) msg.getData().get(
				GetYouTubeUserVideosTask.LIBRARY);
		listView.setVideos(lib.getVideos());
		//listView.getAdapter().notifyDataSetChanged();
	}

	@Override
	protected void onStop() {
		responseHandler = null;
		super.onStop();
	}

	@Override
	public void onVideoClicked(Video video) {
		Intent intent = new Intent(this, Player.class);
		intent.putExtra("id", video.getId());
		intent.putExtra("title", video.getTitle());
		intent.putExtra("uploader", video.getUploader());
		intent.putExtra("viewCount", video.getviewCount());
		startActivity(intent);
	}

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);
		actionBarDrawerToggle.onConfigurationChanged(newConfig);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.main, menu);
		return super.onCreateOptionsMenu(menu);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {

		if (actionBarDrawerToggle.onOptionsItemSelected(item)) {
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	private class ImagePagerAdapter extends PagerAdapter implements ViewPager.OnPageChangeListener{
		public ImagePagerAdapter(Activity act, int[] mImages,
				String[] stringArra) {
			imageArray = mImages;
			activity = act;
			stringArray = stringArra;
		}

		// this is your constructor
		public ImagePagerAdapter() {
			super();


		}

		private int[] mImages = new int[] { R.drawable.selstation_up_btn,
				R.drawable.classical_up_btn, R.drawable.country_up_btn,
				R.drawable.dance_up_btn, R.drawable.hiphop_up_btn,
				R.drawable.island_up_btn, R.drawable.latin_up_btn,
				R.drawable.pop_up_btn, R.drawable.samba_up_btn };

		private String[] stringArray = new String[] { "vevo",
				"TheMozARTGROUP‎", "TimMcGrawVEVO‎", "TiestoVEVO‎",
		"EminemVEVO‎" };

		@Override
		public int getCount() {
			return mImages.length;
		}

		@Override
		public boolean isViewFromObject(View view, Object object) {
			return view == ((ImageView) object);
		}

		@Override
		public Object instantiateItem(ViewGroup container, int position) {
			Context context = Home.this;
			ImageView imageView = new ImageView(context);
			imageView.setScaleType(ScaleType.FIT_XY);
			imageView.setImageResource(mImages[position]);
			((ViewPager) container).addView(imageView, 0);
			return imageView;
		}

		public void destroyItem(ViewGroup container, int position, Object object) {
			((ViewPager) container).removeView((ImageView) object);
		}





		@Override
		public void onPageScrollStateChanged(int arg0) {
			// TODO Auto-generated method stub
			Log.d("pk","onPageScrollStateChanged");
		}

		@Override
		public void onPageScrolled(int arg0, float arg1, int arg2) {
			// TODO Auto-generated method stub
			Log.d("pk","onPageScrolled");
		}

		@Override
		public void onPageSelected(int arg0) {
			// TODO Auto-generated method stub
			Log.d("pk","onPageSelected");
		}
		}
	}