package de.podfetcher.activity;

import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.view.View;
import android.app.ProgressDialog;
import de.podfetcher.R;
import de.podfetcher.feed.Feed;
import de.podfetcher.storage.DownloadRequester;
import de.podfetcher.util.URLChecker;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import java.util.concurrent.Callable;

/** Activity for adding/editing a Feed */
public class AddFeedActivity extends SherlockActivity {
	private static final String TAG = "AddFeedActivity";

	private EditText etxtFeedurl;
	private Button butConfirm;
	private Button butCancel;


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

		etxtFeedurl = (EditText) findViewById(R.id.etxtFeedurl);
		butConfirm = (Button) findViewById(R.id.butConfirm);
		butCancel = (Button) findViewById(R.id.butCancel);

		butConfirm.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				addNewFeed();		
			}
		});

		butCancel.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				setResult(RESULT_CANCELED);
				finish();
			}
		});



	}

	private void addNewFeed() {
		String url = etxtFeedurl.getText().toString();	
		url = URLChecker.prepareURL(url);

		if(url != null) {
			Feed feed = new Feed(url);
			DownloadRequester req = DownloadRequester.getInstance();
			req.downloadFeed(this, feed);
			observeDownload(feed);
		}
	}

	private void observeDownload(Feed feed) {
		final ProgressDialog dialog;
		final Callable client;
		
		dialog = new ProgressDialog(this);

		final DownloadRequester.DownloadObserver observer = new DownloadRequester.DownloadObserver(
				feed.getDownloadId(), this);	
		client = new Callable() {
			public Object call() {
				if(observer.getDone()) {
					dialog.dismiss();
					finish();
				}else {
					dialog.setMessage(AddFeedActivity.this.getString(observer.getResult()));	
				}
				return null;
			}
		};
		observer.setClient(client);
		dialog.show();
		observer.start();
	}



}