<?php

namespace App\Event\Attendee\Admin\Form;

use App\Event\Admin\View as EventView;
use App\User\Admin\Obj as UserObj;
use Qs_Constant;
use Qs_Exception_EmptyPropertyException;
use Qs_Form;

class SelectEventForm extends Qs_Form
{
    protected $_controllerAction = 'useEvent';

    /**
     * @var \App\Event\Attendee\Admin\Obj
     */
    protected $_dataObj;

    protected function _initElements()
    {
        $this->_initUserElement();
        $this->_initEventElement();
        return $this;
    }

    protected function _initUserElement()
    {
        if (($userId = (int) $this->_getData('userId'))
            && false !== ($name = UserObj::getAutocompleteItemTitle($userId))
        ) {
            $this->addElement('hidden', 'userId', ['value' => $userId]);
            $this->addElement(
                'static',
                'userName',
                [
                    'label' => 'Individual',
                    'value' => $name,
                ]
            );
        }

        return $this;
    }

    protected function _initEventElement()
    {
        $userId = (int) $this->_getData('userId');

        $multiOptions = $this->getDataObj()->getAvailableEvents4Select($userId);

        if (empty($multiOptions)) {
            $this->addElement('static', 'eventId', ['label' => 'Event', 'value' => 'No Events Available']);
            $this->getElement('eventId')->getDecorator('htmlTag')->setOption('class', 'errors');
            return $this;
        }

        $this->addElement(
            'select',
            'eventId',
            [
                'label'        => 'Event',
                'multiOptions' => ['' => 'Select Event'] + (array) $multiOptions,
                'required'     => true,
            ]
        );

        return $this;
    }

    public function setDataObj($dataObj)
    {
        $this->_dataObj = $dataObj;
        return $this;
    }

    public function getDataObj()
    {
        if (null == $this->_dataObj) {
            throw new Qs_Exception_EmptyPropertyException($this, '_dataObj');
        }
        return $this->_dataObj;
    }

    public function getCancelUrl()
    {
        if (null === $this->_cancelUrl) {
            if (($url = EventView::getPage('url'))) {
                $this->_cancelUrl = $url;
            } else {
                $this->_cancelUrl = Qs_Constant::get('BASE_URL_LANGUAGE');
            }
        }
        return $this->_cancelUrl;
    }

}