package de.gultsch.chat.utils;

import java.util.ArrayList;
import java.util.Hashtable;

import android.content.Context;
import android.content.CursorLoader;
import android.content.Loader;
import android.content.Loader.OnLoadCompleteListener;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;

public class PhoneHelper {
	
	public static void loadPhoneContacts(Context context, final OnPhoneContactsLoadedListener listener) {
		final Hashtable<String, Bundle> phoneContacts = new Hashtable<String, Bundle>();

		final String[] PROJECTION = new String[] {
				ContactsContract.Data._ID,
				ContactsContract.Data.DISPLAY_NAME,
				ContactsContract.Data.PHOTO_THUMBNAIL_URI,
				ContactsContract.Data.LOOKUP_KEY,
				ContactsContract.CommonDataKinds.Im.DATA };

		final String SELECTION = "(" + ContactsContract.Data.MIMETYPE + "=\""
				+ ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE
				+ "\") AND (" + ContactsContract.CommonDataKinds.Im.PROTOCOL
				+ "=\"" + ContactsContract.CommonDataKinds.Im.PROTOCOL_JABBER
				+ "\")";

		CursorLoader mCursorLoader = new CursorLoader(context,
				ContactsContract.Data.CONTENT_URI, PROJECTION, SELECTION, null,
				null);
		mCursorLoader.registerListener(0, new OnLoadCompleteListener<Cursor>() {

			@Override
			public void onLoadComplete(Loader<Cursor> arg0, Cursor cursor) {
				while (cursor.moveToNext()) {
					Bundle contact = new Bundle();
					contact.putInt("phoneid", cursor.getInt(cursor
							.getColumnIndex(ContactsContract.Data._ID)));
					contact.putString(
							"displayname",
							cursor.getString(cursor
									.getColumnIndex(ContactsContract.Data.DISPLAY_NAME)));
					contact.putString(
							"photouri",
							cursor.getString(cursor
									.getColumnIndex(ContactsContract.Data.PHOTO_THUMBNAIL_URI)));
					contact.putString("lookup",cursor.getString(cursor
							.getColumnIndex(ContactsContract.Data.LOOKUP_KEY)));
					phoneContacts.put(
							cursor.getString(cursor
									.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA)),
							contact);
				}
				if (listener!=null) {
					listener.onPhoneContactsLoaded(phoneContacts);
				}
			}
		});
		mCursorLoader.startLoading();
	}
}