<?php

    /**
     * The Legend of Z
     *
     * @author      Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
     * @copyright   2014 Heinrich-Heine-Universität Düsseldorf
     * @license     http://www.gnu.org/licenses/gpl.html
     * @link        https://bitbucket.org/coderkun/the-legend-of-z
     */

    namespace hhu\z\controllers;


    /**
     * Controller of QuestgroupshierarchypathAgent to display the
     * Questgroups hierarchy path.
     *
     * @author  Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
     */
    class QuestgroupshierarchypathController extends \hhu\z\Controller
    {
        /**
         * Required models
         *
         * @var array
         */
        public $models = array('seminaries', 'questgroups', 'questgroupshierarchy', 'quests', 'questtexts');


        /**
         * Action: index.
         *
         * Calculate and show the hierarchy path of a Questgroup.
         *
         * @param   string  $seminaryUrl    URL-Title of a Seminary
         * @param   string  $questgroupUrl  URL-Title of a Questgroup
         * @param   boolean $showGroup  Show the current group itself
         */
        public function index($seminaryUrl, $questgroupUrl, $showGroup=false)
        {
            // Get Seminary
            $seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);

            // Get Questgroup
            $questgroup = $this->Questgroups->getQuestgroupByUrl($seminary['id'], $questgroupUrl);
            $questgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($questgroup['id']);

            // Get parent Questgrouphierarchy
            $currentQuestgroup = $questgroup;
            $parentQuestgroupshierarchy = array();
            if($showGroup) {
                array_unshift($parentQuestgroupshierarchy, $currentQuestgroup);
            }
            if(is_null($questgroup['hierarchy']))
            {
                // Get related Questgroup
                $questtexts = $this->Questtexts->getRelatedQuesttextsForQuestgroup($currentQuestgroup['id']);
                $questtext = $this->Questtexts->pickQuesttextLastEnteredByCharacter(\hhu\z\controllers\SeminaryController::$character['id'], $questtexts);
                $quest = $this->Quests->getQuestById($questtext['quest_id']);
                $currentQuestgroup = $this->Questgroups->getQuestgroupById($quest['questgroup_id']);
                $currentQuestgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($currentQuestgroup['id']);
                $quest['questgroup'] = $currentQuestgroup;

                // Use Hierarchy name for optional Questgroup
                if(!empty($parentQuestgroupshierarchy)) {
                    $parentQuestgroupshierarchy[0]['hierarchy'] = $currentQuestgroup['hierarchy'];
                    unset($parentQuestgroupshierarchy[0]['hierarchy']['questgroup_pos']);
                }

                array_unshift($parentQuestgroupshierarchy, $quest);
                array_unshift($parentQuestgroupshierarchy, $currentQuestgroup);
            }
            while(!empty($currentQuestgroup['hierarchy']) && !is_null($currentQuestgroup['hierarchy']['parent_questgroup_id']))
            {
                $currentQuestgroup = $this->Questgroups->GetQuestgroupById($currentQuestgroup['hierarchy']['parent_questgroup_id']);
                $currentQuestgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($currentQuestgroup['id']);
                array_unshift($parentQuestgroupshierarchy, $currentQuestgroup);
            }


            // Pass data to view
            $this->set('seminary', $seminary);
            $this->set('parentquestgroupshierarchy', $parentQuestgroupshierarchy);
        }

    }

?>