/* 
 * Copyright 2012 Tallinn University Centre for Educational Technology
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ee.htk.dippler.app;

import org.json.JSONException;
import org.json.JSONObject;

import android.content.Intent;
import android.os.Bundle;
import android.preference.EditTextPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.widget.Toast;
import ee.htk.dippler.qr.IntentIntegrator;
import ee.htk.dippler.qr.IntentResult;

public class PreferencesActivity extends PreferenceActivity {
	private EditTextPreference login_pref;
	private EditTextPreference blog_pref;
	private EditTextPreference wsdl_pref;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		addPreferencesFromResource(R.xml.prefs);
		login_pref = (EditTextPreference) findPreference("dippler-username");
		blog_pref = (EditTextPreference) findPreference("dippler-blog");
		wsdl_pref = (EditTextPreference) findPreference("dippler-bos-wsdl");
	}

	@Override
	public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
			Preference preference) {	
		if ( preference.getKey().equalsIgnoreCase("dippler-qr")) {
			Toast.makeText(this, R.string.qr_scan_code_blog, Toast.LENGTH_SHORT).show();
			IntentIntegrator integrator = new IntentIntegrator(this);
			integrator.setButtonNoByID(R.string.no_btn);
			integrator.setButtonYesByID(R.string.yes_btn);
			integrator.setMessageByID(R.string.no_qr_scanner);
			integrator.setTitleByID(R.string.no_qr_title);
			//Scan only QR codes
			integrator.initiateScan(IntentIntegrator.QR_CODE_TYPES);
		}	
		return super.onPreferenceTreeClick(preferenceScreen, preference);
	}
	
	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
		  IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
		  if (scanResult != null && resultCode == RESULT_OK) {
		    // handle scan result
			  try {
				JSONObject json = new JSONObject(scanResult.getContents());
				String login = json.getString("login-name");
				String blog = json.getString("blog");
				String webservice = json.getString("webservice");
				Log.i("dippler-app", "JSON DATA " +login +" "+ blog +" "+webservice);
				login_pref.setText(login);
				blog_pref.setText(blog);
				wsdl_pref.setText(webservice);
				
				Toast.makeText(this, R.string.qr_scan_success, Toast.LENGTH_LONG).show();
				PreferenceScreen screen = (PreferenceScreen) findPreference("pref-screen-1");			
				screen.onItemClick(null, null, screen.findPreference("dippler-password").getOrder()+1, 0);
				
			} catch (JSONException e) {
				Toast.makeText(this, R.string.qr_scan_failed, Toast.LENGTH_LONG).show();
			}   
		  }
		}

	
}