<?php

/**
 * @package     MokoSuiteCross
 * @subpackage  com_mokosuitecross
 * @author      Moko Consulting <hello@mokoconsulting.tech>
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

namespace Joomla\Component\MokoSuiteCross\Administrator\Model;

defined('_JEXEC') or die;

use Joomla\CMS\MVC\Model\BaseDatabaseModel;

class CalendarModel extends BaseDatabaseModel
{
    /**
     * Get cross-post events for a given month, grouped by date.
     *
     * @param   int  $year   Four-digit year
     * @param   int  $month  Month number (1-12)
     *
     * @return  array  Associative array keyed by Y-m-d, each value an array of event objects
     */
    public function getEvents(int $year, int $month): array
    {
        $db = $this->getDatabase();

        $firstDay = sprintf('%04d-%02d-01', $year, $month);
        $lastDay  = date('Y-m-t', strtotime($firstDay));

        $dateExpr = 'COALESCE('
            . $db->quoteName('p.scheduled_at') . ', '
            . $db->quoteName('p.posted_at') . ', '
            . $db->quoteName('p.created') . ')';

        $query = $db->getQuery(true)
            ->select([
                'DATE(' . $dateExpr . ') AS event_date',
                $db->quoteName('p.status'),
                $db->quoteName('s.service_type'),
                $db->quoteName('c.title', 'article_title'),
            ])
            ->from($db->quoteName('#__mokosuitecross_posts', 'p'))
            ->join('LEFT', $db->quoteName('#__mokosuitecross_services', 's')
                . ' ON ' . $db->quoteName('s.id') . ' = ' . $db->quoteName('p.service_id'))
            ->join('LEFT', $db->quoteName('#__content', 'c')
                . ' ON ' . $db->quoteName('c.id') . ' = ' . $db->quoteName('p.article_id'))
            ->where('DATE(' . $dateExpr . ') >= ' . $db->quote($firstDay))
            ->where('DATE(' . $dateExpr . ') <= ' . $db->quote($lastDay))
            ->order('DATE(' . $dateExpr . ') ASC, ' . $db->quoteName('p.created') . ' ASC');

        $db->setQuery($query);
        $rows = $db->loadObjectList() ?: [];

        $grouped = [];

        foreach ($rows as $row) {
            $grouped[$row->event_date][] = $row;
        }

        return $grouped;
    }
}