<?php

/**
 * @package     MokoJoomCross
 * @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
 */

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Installer\InstallerAdapter;
use Joomla\CMS\Language\Text;

class Pkg_MokoJoomCrossInstallerScript
{
	protected $minimumPhp = '8.1.0';

	/** @var array Download keys saved before Joomla wipes update sites */
	private array $savedDownloadKeys = [];

	public function preflight(string $type, InstallerAdapter $parent): bool
	{
		if (version_compare(PHP_VERSION, $this->minimumPhp, '<'))
		{
			Factory::getApplication()->enqueueMessage(
				Text::sprintf('PKG_MOKOJOOMCROSS_PHP_VERSION_ERROR', $this->minimumPhp),
				'error'
			);

			return false;
		}

		$this->savedDownloadKeys = $this->backupDownloadKeys();

		return true;
	}

	public function postflight(string $type, InstallerAdapter $parent): void
	{
		$this->restoreDownloadKeys($this->savedDownloadKeys);
		$this->warnMissingLicenseKey();

		$db = Factory::getDbo();

		if ($type === 'install')
		{
			$corePlugins = [
				['system', 'mokojoomcross'],
				['content', 'mokojoomcross'],
				['webservices', 'mokojoomcross'],
				['task', 'mokojoomcross'],
			];

			foreach ($corePlugins as [$folder, $element])
			{
				$query = $db->getQuery(true)
					->update($db->quoteName('#__extensions'))
					->set($db->quoteName('enabled') . ' = 1')
					->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
					->where($db->quoteName('folder') . ' = ' . $db->quote($folder))
					->where($db->quoteName('element') . ' = ' . $db->quote($element));
				$db->setQuery($query);
				$db->execute();
			}

			$query = $db->getQuery(true)
				->update($db->quoteName('#__extensions'))
				->set($db->quoteName('enabled') . ' = 1')
				->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
				->where($db->quoteName('folder') . ' = ' . $db->quote('mokojoomcross'));
			$db->setQuery($query);
			$db->execute();

			$this->detectPerfectPublisherPro($db);
		}
	}

	private function backupDownloadKeys(): array
	{
		$keys = [];

		try
		{
			$db = Factory::getDbo();
			$db->setQuery(
				$db->getQuery(true)
					->select([
						'us.' . $db->quoteName('update_site_id'),
						'us.' . $db->quoteName('extra_query'),
						'us.' . $db->quoteName('location'),
						'e.' . $db->quoteName('element'),
					])
					->from($db->quoteName('#__update_sites', 'us'))
					->join('INNER', $db->quoteName('#__update_sites_extensions', 'use') . ' ON us.update_site_id = use.update_site_id')
					->join('INNER', $db->quoteName('#__extensions', 'e') . ' ON e.extension_id = use.extension_id')
					->where($db->quoteName('us.extra_query') . ' != ' . $db->quote(''))
			);

			foreach ($db->loadObjectList() ?: [] as $row)
			{
				$keys['elem_' . $row->element] = $row->extra_query;
				$keys[$row->location] = $row->extra_query;
				$keys['id_' . $row->update_site_id] = $row->extra_query;
			}
		}
		catch (\Throwable $e) {}

		return $keys;
	}

	private function restoreDownloadKeys(array $savedKeys): void
	{
		if (empty($savedKeys))
		{
			return;
		}

		try
		{
			$db = Factory::getDbo();
			$db->setQuery(
				$db->getQuery(true)
					->select([
						'us.' . $db->quoteName('update_site_id'),
						'us.' . $db->quoteName('extra_query'),
						'us.' . $db->quoteName('location'),
						'e.' . $db->quoteName('element'),
					])
					->from($db->quoteName('#__update_sites', 'us'))
					->join('LEFT', $db->quoteName('#__update_sites_extensions', 'use') . ' ON us.update_site_id = use.update_site_id')
					->join('LEFT', $db->quoteName('#__extensions', 'e') . ' ON e.extension_id = use.extension_id')
					->where('(' . $db->quoteName('us.extra_query') . ' = ' . $db->quote('')
						. ' OR ' . $db->quoteName('us.extra_query') . ' NOT LIKE ' . $db->quote('%dlid=%') . ')')
			);

			$restored = 0;

			foreach ($db->loadObjectList() ?: [] as $site)
			{
				$element = (string) ($site->element ?? '');
				$key = '';

				if ($element !== '')
				{
					$key = $savedKeys['elem_' . $element] ?? '';
				}

				if (empty($key))
				{
					$key = $savedKeys[$site->location] ?? $savedKeys['id_' . $site->update_site_id] ?? '';
				}

				if (!empty($key))
				{
					$db->setQuery(
						$db->getQuery(true)
							->update($db->quoteName('#__update_sites'))
							->set($db->quoteName('extra_query') . ' = ' . $db->quote($key))
							->where($db->quoteName('update_site_id') . ' = ' . (int) $site->update_site_id)
					)->execute();
					$restored++;
				}
			}

			if ($restored > 0)
			{
				Factory::getApplication()->enqueueMessage(
					sprintf('Restored %d download key(s) after update site cleanup.', $restored),
					'message'
				);
			}
		}
		catch (\Throwable $e) {}
	}

	private function warnMissingLicenseKey(): void
	{
		try
		{
			$db  = Factory::getDbo();
			$app = Factory::getApplication();

			$query = $db->getQuery(true)
				->select([$db->quoteName('update_site_id'), $db->quoteName('extra_query')])
				->from($db->quoteName('#__update_sites'))
				->where('(' . $db->quoteName('name') . ' LIKE ' . $db->quote('%MokoJoomCross%')
					. ' OR ' . $db->quoteName('location') . ' LIKE ' . $db->quote('%MokoJoomCross%') . ')')
				->setLimit(1);
			$db->setQuery($query);
			$site = $db->loadObject();

			if ($site)
			{
				$extraQuery = (string) ($site->extra_query ?? '');

				if (!empty($extraQuery) && strpos($extraQuery, 'dlid=') !== false)
				{
					parse_str($extraQuery, $parsed);

					if (!empty($parsed['dlid']))
					{
						return;
					}
				}

				$editUrl = 'index.php?option=com_installer&task=updatesite.edit&update_site_id=' . (int) $site->update_site_id;
			}
			else
			{
				$editUrl = 'index.php?option=com_installer&view=updatesites';
			}

			$app->enqueueMessage(
				'<strong>Moko Consulting License Key Required</strong> — '
				. 'No download key is configured. Updates will not be available until a valid license key is entered. '
				. '<a href="' . $editUrl . '" class="btn btn-sm btn-warning ms-2">Enter License Key</a>',
				'warning'
			);
		}
		catch (\Throwable $e) {}
	}

	private function detectPerfectPublisherPro($db): void
	{
		$query = $db->getQuery(true)
			->select($db->quoteName(['element', 'params']))
			->from($db->quoteName('#__extensions'))
			->where($db->quoteName('element') . ' LIKE ' . $db->quote('%perfectpublisher%'))
			->where($db->quoteName('type') . ' = ' . $db->quote('component'));
		$db->setQuery($query);
		$result = $db->loadObject();

		if ($result)
		{
			Factory::getApplication()->enqueueMessage(
				Text::_('PKG_MOKOJOOMCROSS_MIGRATION_DETECTED'),
				'notice'
			);

			$query = $db->getQuery(true)
				->update($db->quoteName('#__extensions'))
				->set($db->quoteName('params') . ' = ' . $db->quote(json_encode([
					'migration_available' => 'perfectpublisher',
					'migration_source_params' => $result->params,
				])))
				->where($db->quoteName('type') . ' = ' . $db->quote('component'))
				->where($db->quoteName('element') . ' = ' . $db->quote('com_mokojoomcross'));
			$db->setQuery($query);
			$db->execute();
		}
	}
}