<?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\Factory;
use Joomla\CMS\MVC\Model\BaseDatabaseModel;

class AnalyticsModel extends BaseDatabaseModel
{
    public function getHeatmap(int $days = 90, ?int $serviceId = null): array
    {
        $db = $this->getDatabase();

        $cutoff = Factory::getDate('now - ' . $days . ' days')->format('Y-m-d H:i:s');

        $query = $db->getQuery(true)
            ->select([
                'DAYOFWEEK(' . $db->quoteName('posted_at') . ') AS dow',
                'HOUR(' . $db->quoteName('posted_at') . ') AS hour_of_day',
                'COUNT(*) AS total',
                'SUM(CASE WHEN ' . $db->quoteName('status') . ' = ' . $db->quote('posted') . ' THEN 1 ELSE 0 END) AS success',
            ])
            ->from($db->quoteName('#__mokosuitecross_posts'))
            ->where($db->quoteName('posted_at') . ' IS NOT NULL')
            ->where($db->quoteName('posted_at') . ' >= ' . $db->quote($cutoff))
            ->group('DAYOFWEEK(' . $db->quoteName('posted_at') . '), HOUR(' . $db->quoteName('posted_at') . ')')
            ->order('dow ASC, hour_of_day ASC');

        if ($serviceId !== null && $serviceId > 0) {
            $query->where($db->quoteName('service_id') . ' = ' . (int) $serviceId);
        }

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

        $grid = [];

        for ($d = 1; $d <= 7; $d++) {
            for ($h = 0; $h < 24; $h++) {
                $grid[$d][$h] = ['total' => 0, 'success' => 0, 'rate' => 0];
            }
        }

        foreach ($rows as $row) {
            $d = (int) $row['dow'];
            $h = (int) $row['hour_of_day'];
            $grid[$d][$h] = [
                'total'   => (int) $row['total'],
                'success' => (int) $row['success'],
                'rate'    => (int) $row['total'] > 0
                    ? round(((int) $row['success'] / (int) $row['total']) * 100)
                    : 0,
            ];
        }

        return $grid;
    }

    public function getBestTimes(int $days = 90, ?int $serviceId = null, int $limit = 5): array
    {
        $db = $this->getDatabase();

        $cutoff = Factory::getDate('now - ' . $days . ' days')->format('Y-m-d H:i:s');

        $query = $db->getQuery(true)
            ->select([
                'DAYOFWEEK(' . $db->quoteName('posted_at') . ') AS dow',
                'HOUR(' . $db->quoteName('posted_at') . ') AS hour_of_day',
                'COUNT(*) AS total',
                'SUM(CASE WHEN ' . $db->quoteName('status') . ' = ' . $db->quote('posted') . ' THEN 1 ELSE 0 END) AS success',
            ])
            ->from($db->quoteName('#__mokosuitecross_posts'))
            ->where($db->quoteName('posted_at') . ' IS NOT NULL')
            ->where($db->quoteName('posted_at') . ' >= ' . $db->quote($cutoff))
            ->group('DAYOFWEEK(' . $db->quoteName('posted_at') . '), HOUR(' . $db->quoteName('posted_at') . ')')
            ->having('COUNT(*) >= 3')
            ->order('success DESC, total DESC');

        if ($serviceId !== null && $serviceId > 0) {
            $query->where($db->quoteName('service_id') . ' = ' . (int) $serviceId);
        }

        $db->setQuery($query, 0, $limit);

        return $db->loadAssocList() ?: [];
    }

    public function getHourlyDistribution(int $days = 90, ?int $serviceId = null): array
    {
        $db = $this->getDatabase();

        $cutoff = Factory::getDate('now - ' . $days . ' days')->format('Y-m-d H:i:s');

        $query = $db->getQuery(true)
            ->select([
                'HOUR(' . $db->quoteName('posted_at') . ') AS hour_of_day',
                'COUNT(*) AS total',
                'SUM(CASE WHEN ' . $db->quoteName('status') . ' = ' . $db->quote('posted') . ' THEN 1 ELSE 0 END) AS success',
                'SUM(CASE WHEN ' . $db->quoteName('status') . ' = ' . $db->quote('failed') . ' THEN 1 ELSE 0 END) AS failed',
            ])
            ->from($db->quoteName('#__mokosuitecross_posts'))
            ->where($db->quoteName('posted_at') . ' IS NOT NULL')
            ->where($db->quoteName('posted_at') . ' >= ' . $db->quote($cutoff))
            ->group('HOUR(' . $db->quoteName('posted_at') . ')')
            ->order('hour_of_day ASC');

        if ($serviceId !== null && $serviceId > 0) {
            $query->where($db->quoteName('service_id') . ' = ' . (int) $serviceId);
        }

        $db->setQuery($query);

        return $db->loadAssocList() ?: [];
    }

    public function getDayOfWeekDistribution(int $days = 90, ?int $serviceId = null): array
    {
        $db = $this->getDatabase();

        $cutoff = Factory::getDate('now - ' . $days . ' days')->format('Y-m-d H:i:s');

        $query = $db->getQuery(true)
            ->select([
                'DAYOFWEEK(' . $db->quoteName('posted_at') . ') AS dow',
                'COUNT(*) AS total',
                'SUM(CASE WHEN ' . $db->quoteName('status') . ' = ' . $db->quote('posted') . ' THEN 1 ELSE 0 END) AS success',
                'SUM(CASE WHEN ' . $db->quoteName('status') . ' = ' . $db->quote('failed') . ' THEN 1 ELSE 0 END) AS failed',
            ])
            ->from($db->quoteName('#__mokosuitecross_posts'))
            ->where($db->quoteName('posted_at') . ' IS NOT NULL')
            ->where($db->quoteName('posted_at') . ' >= ' . $db->quote($cutoff))
            ->group('DAYOFWEEK(' . $db->quoteName('posted_at') . ')')
            ->order('dow ASC');

        if ($serviceId !== null && $serviceId > 0) {
            $query->where($db->quoteName('service_id') . ' = ' . (int) $serviceId);
        }

        $db->setQuery($query);

        return $db->loadAssocList() ?: [];
    }

    public function getServices(): array
    {
        $db = $this->getDatabase();

        $query = $db->getQuery(true)
            ->select([$db->quoteName('id'), $db->quoteName('title'), $db->quoteName('service_type')])
            ->from($db->quoteName('#__mokosuitecross_services'))
            ->where($db->quoteName('published') . ' = 1')
            ->order($db->quoteName('title') . ' ASC');

        $db->setQuery($query);

        return $db->loadAssocList() ?: [];
    }
}