<?php

namespace Komponent\Component\Testquestions\Site\Model;

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Model\ListModel;

class QuestionsModel extends ListModel
{
    protected function populateState($ordering = 'ordering', $direction = 'asc')
    {
        parent::populateState($ordering, $direction);
        $menu = Factory::getApplication()->getMenu()->getActive();
        $menuSymbol = $menu ? (string) $menu->getParams()->get('test_symbol', '') : '';
        $symbol = Factory::getApplication()->getInput()->getString('test_symbol', $menuSymbol);
        $this->setState('filter.test_symbol', trim($symbol));
        $this->setState('list.limit', 0);
    }

    protected function getListQuery()
    {
        $db = Factory::getContainer()->get('DatabaseDriver');
        $query = $db->getQuery(true)
            ->select(['id', 'test_symbol', 'question_type', 'question', 'answer_a', 'answer_b', 'answer_c', 'answer_d', 'answer_open', 'correct_answer', 'image', 'time_limit', 'points'])
            ->from($db->quoteName('#__testquestions_questions'))
            ->where($db->quoteName('published') . ' = 1')
            ->order($db->quoteName('ordering') . ' ASC, ' . $db->quoteName('id') . ' ASC');

        $symbol = $this->getState('filter.test_symbol');

        if ($symbol !== '') {
            $query->where($db->quoteName('test_symbol') . ' = ' . $db->quote($symbol));
        } else {
            $query->where('1 = 0');
        }

        return $query;
    }

    public function getTestSymbols()
    {
        $db = Factory::getContainer()->get('DatabaseDriver');

        return $db->setQuery(
            $db->getQuery(true)
                ->select([
                    'q.' . $db->quoteName('test_symbol'),
                    'q.' . $db->quoteName('exam_year'),
                    'c.' . $db->quoteName('title', 'category_title'),
                ])
                ->from($db->quoteName('#__testquestions_questions', 'q'))
                ->leftJoin($db->quoteName('#__testquestions_categories', 'c') . ' ON c.id = q.category_id')
                ->where('q.' . $db->quoteName('published') . ' = 1')
                ->where('q.' . $db->quoteName('test_symbol') . ' <> ' . $db->quote(''))
                ->where('q.' . $db->quoteName('test_symbol') . ' LIKE ' . $db->quote('E%'))
                ->group(['q.' . $db->quoteName('test_symbol'), 'q.' . $db->quoteName('exam_year'), 'c.' . $db->quoteName('title')])
                ->order('q.' . $db->quoteName('exam_year') . ' DESC, q.' . $db->quoteName('test_symbol') . ' ASC')
        )->loadObjectList();
    }
}