package de.podfetcher.fragment;

import java.util.ArrayList;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ListView;

import com.actionbarsherlock.app.SherlockListFragment;
import com.actionbarsherlock.view.ActionMode;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;

import de.podfetcher.R;
import de.podfetcher.activity.ItemviewActivity;
import de.podfetcher.adapter.FeedItemlistAdapter;
import de.podfetcher.feed.FeedItem;
import de.podfetcher.feed.FeedManager;
import de.podfetcher.storage.DownloadRequester;

public class FeedItemlistFragment extends SherlockListFragment {
	private static final String TAG = "FeedItemlistFragment";
	public static final String EXTRA_SELECTED_FEEDITEM = "extra.de.podfetcher.activity.selected_feeditem";

	protected FeedItemlistAdapter fila;
	protected FeedManager manager;
	protected DownloadRequester requester;

	/** The feed which the activity displays */
	protected ArrayList<FeedItem> items;

	protected FeedItem selectedItem;
	protected ActionMode mActionMode;

	public FeedItemlistFragment(ArrayList<FeedItem> items) {
		super();
		this.items = items;
		manager = FeedManager.getInstance();
		requester = DownloadRequester.getInstance();
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		fila = new FeedItemlistAdapter(getActivity(), 0, items,
				onButActionClicked);
		setListAdapter(fila);
	}

	@Override
	public void onPause() {
		super.onPause();
		if (mActionMode != null) {
			mActionMode.finish();
		}
	}

	@Override
	public void onListItemClick(ListView l, View v, int position, long id) {
		FeedItem selection = fila.getItem(position);
		Intent showItem = new Intent(getActivity(), ItemviewActivity.class);
		showItem.putExtra(FeedlistFragment.EXTRA_SELECTED_FEED, selection
				.getFeed().getId());
		showItem.putExtra(EXTRA_SELECTED_FEEDITEM, selection.getId());

		startActivity(showItem);
	}

	private final OnClickListener onButActionClicked = new OnClickListener() {
		@Override
		public void onClick(View v) {
			int index = getListView().getPositionForView(v);
			if (index != ListView.INVALID_POSITION) {
				FeedItem newSelectedItem = items.get(index);
				if (newSelectedItem != selectedItem) {
					if (mActionMode != null) {
						mActionMode.finish();
					}

					selectedItem = newSelectedItem;
					mActionMode = getSherlockActivity().startActionMode(
							mActionModeCallback);
				} else {
					mActionMode.finish();
				}

			}
		}
	};

	private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() {

		@Override
		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
			return false;
		}

		@Override
		public void onDestroyActionMode(ActionMode mode) {
			mActionMode = null;
			selectedItem = null;
		}

		@Override
		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
			MenuInflater inflater = mode.getMenuInflater();
			inflater.inflate(R.menu.feeditemlist, menu);
			mode.setTitle(selectedItem.getTitle());

			if (selectedItem.getMedia().isDownloaded()) {
				menu.findItem(R.id.play_item).setVisible(true);
				menu.findItem(R.id.remove_item).setVisible(true);
			} else if (selectedItem.getMedia().getFile_url() == null) {
				menu.findItem(R.id.download_item).setVisible(true);
			} else {
				menu.findItem(R.id.cancel_download_item).setVisible(true);
			}
			
			if (selectedItem.isRead()) {
				menu.findItem(R.id.mark_unread_item).setVisible(true);
			} else {
				menu.findItem(R.id.mark_read_item).setVisible(true);
			}

			return true;

		}

		@Override
		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
			switch (item.getItemId()) {
			case R.id.download_item:
				requester.downloadMedia(getSherlockActivity(),
						selectedItem.getMedia());
				break;
			case R.id.play_item:
				manager.playMedia(getSherlockActivity(),
						selectedItem.getMedia());
				break;
			case R.id.remove_item:
				manager.deleteFeedMedia(getSherlockActivity(),
						selectedItem.getMedia());
				break;
			case R.id.cancel_download_item:
				requester.cancelDownload(getSherlockActivity(), selectedItem
						.getMedia().getDownloadId());
				break;
			case R.id.mark_read_item:
				manager.markItemRead(getSherlockActivity(), selectedItem, true);
				break;
			case R.id.mark_unread_item:
				manager.markItemRead(getSherlockActivity(), selectedItem, false);
				break;

			}
			fila.notifyDataSetChanged();
			mode.finish();
			return true;
		}
	};

}