package dk.thoerup.traininfo;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.ListView;

public class TrainInfoList extends ListActivity  {
	public static final int GOTLOCATION = 1;
	public static final int GOTSTATIONLIST = 2;
	public static final int NOPROVIDER = 3;
	public static final int FIXTIMEOUT = 4;
	public static final int LOOKUPSTATIONFAILED = 5;
	
	public static final int DLG_PROGRESS = 1;
	
	/** Called when the activity is first created. */
	ProgressDialog dialog;
	StationLocator locator = null;
	
	boolean isRunning;

	StationListAdapter adapter = null;
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		
		adapter = new StationListAdapter(this);
		setListAdapter(adapter);
		
		locator = new StationLocator(this, stationsFetched);
		
		startLookup();
	}
	
	

	@Override
	protected Dialog onCreateDialog(int id) {
		switch (id) {
		case DLG_PROGRESS:
			ProgressDialog dlg = new ProgressDialog(this);
			dlg.setMessage("Wait for location fix");
			dlg.setCancelable(false);
			return dlg;
		default:
			return super.onCreateDialog(id);		
		}
		
	}
	
	


	@Override
	protected void onPrepareDialog(int id, Dialog dialog) {
		super.onPrepareDialog(id, dialog);
		switch (id) {
		case DLG_PROGRESS:
			this.dialog = (ProgressDialog) dialog;
			break;
		}
	}



	public void progressDialog() {
		dialog = new ProgressDialog(this);
		dialog.setMessage("Wait for location fix");
		dialog.setCancelable(false);
		dialog.show();
	}

	public void startLookup() {
		isRunning = true;
		showDialog(DLG_PROGRESS);
		//progressDialog();
		
		locator.locateStations();
		stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000);		
	}


	Handler stationsFetched = new Handler() {
		@Override
		public void handleMessage(Message msg) {
			
			switch (msg.what) {
			case GOTLOCATION:
				dialog.setMessage("Finding nearby stations");
				break;
			case GOTSTATIONLIST:
				dialog.dismiss();
				adapter.setStations( locator.getStations() );
				break;
			case NOPROVIDER:
				dialog.dismiss();
				showMessageBox("No Location provider enabled. Plase enabled gps.");
				break;
			case FIXTIMEOUT:
				dialog.dismiss();
				if (isRunning) {
					locator.abortLocationListener();
					showMessageBox("GPS fix timed out");
				}
				break;
			case LOOKUPSTATIONFAILED:
				dialog.dismiss();
				showMessageBox("Error on finding nearby stations");
				break;
			}
			
			isRunning = false;
		}
	};
	
	
	
	@Override
	protected void onListItemClick(ListView l, View v, int position, long id) {
		super.onListItemClick(l, v, position, id);
		
		StationBean station = adapter.getStation(position);
		
		
		Intent intent = new Intent(this, DepartureList.class);
		intent.putExtra("name", station.getName());
		intent.putExtra("address", station.getAddress());
		intent.putExtra("distance", station.getDistance());
		startActivity(intent);
	}

	public void showMessageBox(String message) {
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		builder.setMessage(message)
		.setCancelable(false)
		.setPositiveButton("OK", new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int id) {
				dialog.dismiss();
			}
		})
		.show();

	}
}