<?php

class MobileController extends Controller
{
    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout='//layouts/column2';

    /**
     * @var CActiveRecord the currently loaded data model instance.
     */
    private $_model;

    /**
     * @return array action filters
     */
    public function filters()
    {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules()
    {
        return array(
            array('allow',  // allow all users to perform 'index' and 'view' actions
                'actions'=>array( 'registerUser', 'addFacebookFriends', 'getFriends', 'getEvents',
                                    'notifyPosition' ),
                'users'=>array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions'=>array(),
                'users'=>array('@'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions'=>array(),
                'users'=>array('admin'),
            ),
            array('deny',  // deny all users
                'users'=>array('*'),
            ),
        );
    }

    private function enableDebug() {
        set_time_limit(0);
        error_reporting(E_ALL);
        ini_set('display_errors', '1');
    }



    public function actionRegisterUser() {

        $this->enableDebug();

        $model = new User;
        $friends = array();

        if ( isset($_GET['username']) ) $model->username = $_GET['username'];
        if ( isset($_GET['password']) ) $model->password = $_GET['password'];
        if ( isset($_GET['fb_id']) ) $model->fb_id = $_GET['fb_id'];
        if ( isset($_GET['fb_id_friends']) ) $friends = explode(',', $_GET['fb_id_friends']);

        $model->last_update = 0;
        $model->lat = 0;
        $model->lng = 0;

        $result = new Result();
        try {
            if ( $model->save() ) {
                $this->addFaebookFriends($model, $friends);
                $result->setMessage('User ' . $model->username . ' has been created.');
            } else {
                $result->setStatus( false );
                $result->setMessage('Error during creaton of the user ' . $model->username);
                $result->setErrors( $model->errors );
            }
        } catch ( CDbException $ex ) {
            $result->setStatus( false );
            $result->setMessage('The username ' . $model->username . ' has already been created.');
        }

        echo CJSON::encode( $result );
        exit();
    }

    private function addFaebookFriends( $user, $fList ) {
        foreach ( $fList as $fID ) {
            $userFriend = User::model()->find('fb_id=?', array( $fID ) );
            if ( $userFriend !== null ) { // L'amico e' gia' stato inserito
                $f = new Friend();
                $f->user_id = $user->id;
                $f->friend_id = $userFriend->id;
                try { $f->save(); } catch ( CDbException $ex ) {}
            }
        }
        return;
    }

    public function actionGetFriends() {
        $this->enableDebug();

        $model = null;
        $friends = array();

        if ( isset($_GET['id']) ) $model = User::model()->findByPk($_GET['id']);

        if ( $model !== null ) {
            foreach ( $model->friends as $f )
                if ( $f->isOnline() )
                    $friends[] = $f;
        }

        echo CJSON::encode( $friends );
        exit();
    }

    public function actionAddEvent() {
        $this->enableDebug();
        $model = new Event();

        if ( isset($_GET['user_id']) ) $model->user_id = $_GET['user_id'];
        if ( isset($_GET['organizer']) ) $model->organizer = $_GET['organizer'];
        if ( isset($_GET['title']) ) $model->title = $_GET['title'];
        if ( isset($_GET['date_start']) ) $model->date_start = $_GET['date_start'];
        if ( isset($_GET['date_end']) ) $model->date_end = $_GET['date_end'];
        if ( isset($_GET['lat']) ) $model->lat = $_GET['lat'];
        if ( isset($_GET['lng']) ) $model->lng = $_GET['lng'];

        $result = new Result();

        if ( $model->save() ) {
            $result->setMessage('Event ' . $model->title . ' has been created.');
        } else {
            $result->setStatus( false );
            $result->setMessage('Error during creaton of the event ' . $model->title);
            $result->setErrors( $model->errors );
        }

        echo CJSON::encode( $result );
        exit();


    }

    public function actionGetEvents() {
        $this->enableDebug();

        $filterTitle = '';
        $filterDateStart = '';
        $filterDateEnd = '';

        if ( isset($_GET['filter_title']) ) $filterTitle = $_GET['filter_title'];
        if ( isset($_GET['filter_date_start']) ) $filterDateStart = $_GET['filter_date_start'];
        if ( isset($_GET['filter_date_end']) ) $filterDateEnd = $_GET['filter_date_end'];

        $criteria = new CDbCriteria;
        $criteria->order = 'date_start ASC, title ASC';
        if ( $filterDateStart != '' ) $criteria->compare('date_start','>'.$filterDateStart);
        if ( $filterDateEnd != '' ) $criteria->compare('date_end','<'.$filterDateEnd);
        if ( $filterTitle != '' ) $criteria->compare('title',$this->title,true);

        echo CJSON::encode( Event::model()->findAll($criteria) );
        exit();

    }

    public function actionAddFacebookFriends() {
        $this->enableDebug();

        $model = null;
        $friends = array();
        $result = new Result();

        if ( isset($_GET['id']) ) $model = User::model()->findByPk($_GET['id']);


        if ( $model === null ) {
            $result->setStatus( false );
            $result->setMessage( 'Cannot find a username with that userID: ' . $_GET['id'] );
        } else {

            if ( isset($_GET['fb_id_friends']) ) $friends = explode(',', $_GET['fb_id_friends']);
            $this->addFaebookFriends($model, $friends);
            $result->setMessage('All facebook\'s friends has added to this account.');

        }

        echo CJSON::encode( $result );
        exit();
    }

    public function actionNotifyPosition() {

        $this->enableDebug();
        $model = null;
        $result = new Result();

        if ( isset($_GET['id']) ) $model = User::model()->findByPk($_GET['id']);

        if ( $model === null ) {
            $result->setStatus( false );
            $result->setMessage( 'Cannot find a username with that userID: ' . $_GET['id'] );
        } else {

            if ( isset($_GET['lat']) ) $model->lat = $_GET['lat'];
            if ( isset($_GET['lng']) ) $model->lng = $_GET['lng'];
            $model->last_update = time();

            if ( $model->save() ) {
                $result->setMessage('New position for user ' . $model->username . ' has been updated.');
            } else {
                $result->setStatus( false );
                $result->setMessage('Error during the notification of the new position');
                $result->setErrors( $model->errors );
            }

        }

        echo CJSON::encode( $result );
        exit();

    }


}