<?php

/*
 * LimeSurvey
 * Copyright (C) 2007-2011 The LimeSurvey Project Team / Carsten Schmitz
 * All rights reserved.
 * License: GNU/GPL License v2 or later, see LICENSE.php
 * LimeSurvey is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * See COPYRIGHT.php for copyright notices and details.
 *
 */

/**
 * Class SurveyLanguageSetting
 *
 * @property int $id primary key
 * @property int $aid Answer Id
 * @property string $answer The answer text
 * @property string $language language code
 *
 */
class AnswerL10n extends LSActiveRecord
{
    /** @inheritdoc */
    public function tableName()
    {
        return '{{answer_l10ns}}';
    }

    /** @inheritdoc */
    public function primaryKey()
    {
        return 'id';
    }

    public function defaultScope()
    {
        return array('index' => 'language');
    }

    /**
     * @inheritdoc
     * @return AnswerL10n
     */
    public static function model($className = __CLASS__)
    {
        /** @var self $model */
        $model = parent::model($className);
        return $model;
    }

    /** @inheritdoc */
    public function relations()
    {
        return [];
    }


    /** @inheritdoc */
    public function rules()
    {
        return [
            ['aid,language','required'],
            ['aid','numerical','integerOnly' => true],
            ['answer', 'LSYii_Validators'],
            ['language', 'length', 'min' => 2, 'max' => 20], // in array languages ?
            /* Add rules for existing unique index : answer_l10ns_idx ['aid', 'language'] */
            array('aid', 'unique', 'criteria' => array(
                    'condition' => 'language=:language',
                    'params' => array(':language' => $this->language)
                ),
                'message' => sprintf(
                    // Usage of {attribute} need attributeLabels, {value} never exist in message
                    gT("Answer ID '%s' is already in use for language '%s'."),
                    $this->aid,
                    $this->language
                ),
            ),
        ];
    }
}