package dk.thoerup.traininfo;


import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.widget.ListView;
import android.widget.TextView;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.TimetableProvider;
import dk.thoerup.traininfo.util.MessageBox;
import static dk.thoerup.traininfo.R.string.*;

public class TimetableList extends Activity {
	
	private static final int DLG_PROGRESS = 8000;
	DepartureBean departure;
	TimetableListAdapter adapter;
	TimetableFetcher fetcher;
	List<TimetableBean> timetables;
	
	TimetableProvider provider; 

	@SuppressWarnings("unchecked")
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.timetablelist);
		
		provider = ProviderFactory.getTimetableProvider();
		
		adapter = new TimetableListAdapter(this);
		
		ListView lv = (ListView) findViewById(R.id.List);
		lv.setAdapter(adapter);

		
		Intent launchedBy = getIntent();
		departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
		
		((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
		((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
		((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
		((TextView)findViewById(R.id.Note)).setText(departure.getNote());
		((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
						
		
		if (savedInstanceState == null) {
			startTimetableFetcher();
		} else {
			timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
			adapter.setTimetable(timetables);
		}
	}
	
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {        	
    	dismissDialog(DLG_PROGRESS);
    	outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
    }

/* 		case DLG_DETAILS:
			DepartureBean currentDeparture = departures.get(selectedItemId);
			((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
			((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
			((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
			((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
			((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
			((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
			((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
			((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
			detailsDialog = dialog;
			break;

 */
	
	@Override
	protected void onPrepareDialog(int id, Dialog dialog) {
		super.onPrepareDialog(id, dialog);
		
		switch (id) {
		case DLG_PROGRESS:
			//pgDialog = (ProgressDialog) dialog;
			break;
		}
	}
	
	@Override
	protected Dialog onCreateDialog(int id) {
		switch (id) {
		case DLG_PROGRESS:
			ProgressDialog dlg = new ProgressDialog(this);			
			dlg.setMessage( getString(timetablelist_fetchdata) );
			dlg.setCancelable(true);
			return dlg;			
		default:
			return super.onCreateDialog(id);		
		}
	}

	void startTimetableFetcher() {
		showDialog(DLG_PROGRESS);
		fetcher = new TimetableFetcher(); 
		fetcher.execute(departure.getTrainNumber());
	}
	
	class TimetableFetcher extends AsyncTask<String,Void,Void> {
		
		boolean success;
		
		@Override
		protected void onPostExecute(Void result) {
			super.onPostExecute(result);
			dismissDialog(DLG_PROGRESS);
	
			
			if (success) {
				adapter.setTimetable(timetables);
				if (timetables.size() == 0) {
					MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata));
				}
			} else { // communication or parse error
				AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);						
				builder.setMessage(getString(timetablelist_fetcherror));
				builder.setCancelable(true);
				builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int id) {
						dialog.dismiss();
						startTimetableFetcher();
						
					}
				});
				builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int id) {
						dialog.dismiss();
					}							
				});												
				builder.show();				
			}
			
		}
		
		@Override
		protected Void doInBackground(String... arg0) {
			String trainID = arg0[0];
			success = provider.lookupTimetable(trainID);
			timetables = provider.getTimetable(trainID);
			
			return null;
		}
		
	}
}