<?php
/**
 * @package     MokoSuiteClient
 * @subpackage  com_mokosuiteclient
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 */

namespace Moko\Component\MokoSuiteClient\Api\Controller;

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Controller\BaseController;

/**
 * Feature plugins API controller.
 *
 * GET  /api/index.php/v1/mokosuiteclient/plugins       — list MokoSuiteClient plugins + status
 * POST /api/index.php/v1/mokosuiteclient/plugins/toggle — enable/disable a feature plugin
 *
 * @since  02.32.00
 */
class PluginsController extends BaseController
{
	/**
	 * List all MokoSuiteClient feature plugins with their enabled state.
	 *
	 * @return  void
	 */
	public function displayList(): void
	{
		$app  = Factory::getApplication();
		$user = $app->getIdentity();

		if (!$user->authorise('core.manage', 'com_plugins'))
		{
			$this->sendJson(403, ['error' => 'Not authorized']);

			return;
		}

		$db    = Factory::getDbo();
		$query = $db->getQuery(true)
			->select([
				$db->quoteName('extension_id'),
				$db->quoteName('name'),
				$db->quoteName('element'),
				$db->quoteName('folder'),
				$db->quoteName('type'),
				$db->quoteName('enabled'),
				$db->quoteName('protected'),
				$db->quoteName('manifest_cache'),
			])
			->from($db->quoteName('#__extensions'))
			->where([
				'(' .
					'(' . $db->quoteName('type') . ' = ' . $db->quote('plugin')
						. ' AND ' . $db->quoteName('folder') . ' = ' . $db->quote('system')
						. ' AND (' . $db->quoteName('element') . ' = ' . $db->quote('mokosuiteclient')
						. ' OR ' . $db->quoteName('element') . ' LIKE ' . $db->quote('mokosuiteclient\\_%') . '))'
					. ' OR (' . $db->quoteName('type') . ' = ' . $db->quote('plugin')
						. ' AND ' . $db->quoteName('folder') . ' = ' . $db->quote('webservices')
						. ' AND ' . $db->quoteName('element') . ' = ' . $db->quote('mokosuiteclient') . ')'
					. ' OR (' . $db->quoteName('type') . ' = ' . $db->quote('plugin')
						. ' AND ' . $db->quoteName('folder') . ' = ' . $db->quote('task')
						. ' AND ' . $db->quoteName('element') . ' LIKE ' . $db->quote('mokosuiteclient%') . ')'
				. ')',
			])
			->order($db->quoteName('folder') . ' ASC, ' . $db->quoteName('element') . ' ASC');

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

		$plugins = [];

		foreach ($rows as $row)
		{
			$manifest = json_decode($row->manifest_cache ?? '{}');

			$plugins[] = [
				'extension_id' => (int) $row->extension_id,
				'name'         => $row->name,
				'element'      => $row->element,
				'folder'       => $row->folder,
				'type'         => $row->type,
				'enabled'      => (bool) $row->enabled,
				'protected'    => (bool) $row->protected,
				'version'      => $manifest->version ?? '',
			];
		}

		$this->sendJson(200, [
			'status'  => 'ok',
			'count'   => \count($plugins),
			'plugins' => $plugins,
		]);
	}

	/**
	 * Toggle a MokoSuiteClient feature plugin on or off.
	 *
	 * Expects JSON body: {"extension_id": 123, "enabled": true}
	 *
	 * @return  void
	 */
	public function execute($task = 'plugins'): void
	{
		$app  = Factory::getApplication();
		$user = $app->getIdentity();

		if (!$user->authorise('core.manage', 'com_plugins'))
		{
			$this->sendJson(403, ['error' => 'Not authorized']);

			return;
		}

		$input = json_decode(file_get_contents('php://input'), true);

		$extensionId = (int) ($input['extension_id'] ?? 0);
		$enabled     = (bool) ($input['enabled'] ?? false);

		if (!$extensionId)
		{
			$this->sendJson(400, ['error' => 'Missing extension_id']);

			return;
		}

		$db = Factory::getDbo();

		// Verify the extension exists and is a MokoSuiteClient plugin
		$query = $db->getQuery(true)
			->select([$db->quoteName('element'), $db->quoteName('protected')])
			->from($db->quoteName('#__extensions'))
			->where($db->quoteName('extension_id') . ' = ' . $extensionId)
			->where($db->quoteName('type') . ' = ' . $db->quote('plugin'));
		$db->setQuery($query);
		$ext = $db->loadObject();

		if (!$ext)
		{
			$this->sendJson(404, ['error' => 'Extension not found']);

			return;
		}

		// Don't allow disabling protected/core plugins
		if (!$enabled && ((int) $ext->protected || $ext->element === 'mokosuiteclient'))
		{
			$this->sendJson(409, ['error' => 'This plugin is protected and cannot be disabled']);

			return;
		}

		$query = $db->getQuery(true)
			->update($db->quoteName('#__extensions'))
			->set($db->quoteName('enabled') . ' = ' . ($enabled ? 1 : 0))
			->where($db->quoteName('extension_id') . ' = ' . $extensionId);
		$db->setQuery($query);
		$db->execute();

		$this->sendJson(200, [
			'status'       => 'ok',
			'extension_id' => $extensionId,
			'element'      => $ext->element,
			'enabled'      => $enabled,
		]);
	}

	private function sendJson(int $code, array $payload): void
	{
		$app = Factory::getApplication();
		$app->setHeader('Content-Type', 'application/json', true);
		$app->setHeader('Status', (string) $code, true);
		echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
		$app->close();
	}
}