package com.example.myfirstapp.service;

import org.apache.http.client.HttpClient;
import com.example.myfirstapp.io.PersonHandler;
import com.example.myfirstapp.io.RemoteExecutor;
import com.example.myfirstapp.utils.Utils;
import android.app.IntentService;
import android.content.ContentResolver;
import android.content.Intent;
import android.os.Bundle;
import android.os.ResultReceiver;
import android.util.Log;

public class PersonService extends IntentService {

	private static final String TAG = "PersonsService";

	public static final String EXTRA_STATUS = "com.example.myfirstapp.extra.STATUS";
	public static final String EXTRA_REST_OPERATION = "com.example.myfirstapp.extra.REST_OPERATION";
	public static final String GENERAL_REST_OPERATION = "com.example.myfirstapp.general.REST_OPERATION";

	public static final int STATUS_RUNNING = 0x1;
	public static final int STATUS_ERROR = 0x2;
	public static final int STATUS_FINISHED = 0x3;

	private HttpClient mHttpClient;
	private ContentResolver mResolver;
	private RemoteExecutor mExecutor;

	@Override
	public void onCreate () {
		super.onCreate ();
		this.mHttpClient = Utils.getHttpClient ( this );
		this.mResolver = getContentResolver ();
		this.mExecutor = new RemoteExecutor ( this.mHttpClient, this.mResolver );
	}

	public PersonService () {
		super ( TAG );
	}

	@Override
	protected void onHandleIntent ( Intent intent ) {
		Log.d ( TAG, "onHandleIntent()" );
		final String restOperation = intent.getStringExtra ( EXTRA_REST_OPERATION );
		if ( GENERAL_REST_OPERATION.equals ( restOperation ) )
			getPersons ( intent );
	}

	private void getPersons ( Intent intent ) {
		final ResultReceiver receiver = intent.getParcelableExtra ( EXTRA_STATUS );
		if ( receiver != null )
			receiver.send ( STATUS_RUNNING, Bundle.EMPTY );

		try {
			mExecutor.executeGet ( Utils.buildProxyPersonsUri (), new PersonHandler () );
		} catch ( Exception e ) {
			if ( receiver != null ) {
				final Bundle bundle = new Bundle ();
				bundle.putString ( Intent.EXTRA_TEXT, e.toString () );
				receiver.send ( STATUS_ERROR, bundle );
			}
		}

		if ( receiver != null )
			receiver.send ( STATUS_FINISHED, Bundle.EMPTY );
	}
}