<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\admin\uniapp;

use core\base\BaseAdminService;
use core\exception\AdminException;
use think\facade\Db;

/**
 * UniApp权限管理服务类
 */
class UniappAuthService extends BaseAdminService
{
    /**
     * 获取所有UniApp菜单（用于权限配置）
     * @return array
     */
    public function getAllMenus()
    {
        // 从UniApp员工端功能页面整理文档获取菜单数据，基于school_sys_menu表结构
        $sql = "SELECT id, menu_key, menu_name, icon as menu_icon, router_path as menu_path, 
                       '' as menu_params, sort, status, menu_short_name as description 
                FROM school_sys_menu 
                WHERE status = 1 AND app_type = 'uniapp'
                ORDER BY sort ASC, id ASC";
        $list = Db::query($sql);

        // 处理参数和数据转换
        foreach ($list as &$item) {
            // 设置空的menu_params
            $item['menu_params'] = [];
            // 确保字段存在
            $item['menu_icon'] = $item['menu_icon'] ?? '';
            $item['menu_path'] = $item['menu_path'] ?? '';
            $item['sort_order'] = $item['sort'];
        }

        return $list;
    }

    /**
     * 获取角色的UniApp菜单权限
     * @param int $roleId
     * @return array
     */
    public function getRoleMenus(int $roleId)
    {
        // 优先从school_sys_role.mobile_rules字段获取权限配置
        $roleData = Db::table('school_sys_role')
            ->where('role_id', $roleId)
            ->where('status', 1)
            ->field('mobile_rules')
            ->find();

        if ($roleData && !empty($roleData['mobile_rules'])) {
            // 解析mobile_rules JSON字符串
            $mobileRules = json_decode($roleData['mobile_rules'], true);
            if (is_array($mobileRules)) {
                // 使用查询构造器获取所有菜单信息
                $allMenus = Db::table('school_sys_menu')
                    ->where('app_type', 'uniapp')
                    ->where('status', 1)
                    ->field('id, menu_key, menu_name, icon as menu_icon, router_path as menu_path, sort as sort_order')
                    ->select()
                    ->toArray();
                
                // 创建menu_key到菜单信息的映射
                $menuKeyToMenu = [];
                foreach ($allMenus as $menu) {
                    $menuKeyToMenu[$menu['menu_key']] = $menu;
                }
                
                // 按mobile_rules中的顺序构建菜单列表
                $menuList = [];
                foreach ($mobileRules as $menuKey) {
                    if (isset($menuKeyToMenu[$menuKey])) {
                        $menu = $menuKeyToMenu[$menuKey];
                        $menu['menu_params'] = [];
                        $menu['menu_icon'] = $menu['menu_icon'] ?? '';
                        $menu['menu_path'] = $menu['menu_path'] ?? '';
                        $menuList[] = $menu;
                    }
                }
                
                return $menuList;
            }
        }
        
        // 如果mobile_rules为空，则从role_menu_permissions表获取（向后兼容）
        $menuList = Db::table('role_menu_permissions')
            ->alias('rmp')
            ->leftJoin('school_sys_menu m', 'rmp.menu_id = m.id')
            ->where('rmp.role_id', $roleId)
            ->where('rmp.is_enabled', 1)
            ->field('m.id, m.menu_key, m.menu_name, m.icon as menu_icon, m.router_path as menu_path, m.sort as sort_order')
            ->order('m.sort', 'ASC')
            ->select()
            ->toArray();

        // 处理参数和数据转换
        foreach ($menuList as &$item) {
            // 设置空的menu_params
            $item['menu_params'] = [];
            // 确保字段存在
            $item['menu_icon'] = $item['menu_icon'] ?? '';
            $item['menu_path'] = $item['menu_path'] ?? '';
        }

        return $menuList;
    }

    /**
     * 设置角色的UniApp菜单权限
     * @param int $roleId
     * @param array $menuKeys 菜单键名数组（如：pages-common/my_attendance）
     * @return bool
     */
    public function setRoleMenus(int $roleId, array $menuKeys)
    {
        Db::startTrans();
        try {
            // 1. 更新school_sys_role表的mobile_rules字段（主要存储方式）
            $mobileRulesJson = json_encode($menuKeys, JSON_UNESCAPED_UNICODE);
            Db::table('school_sys_role')
                ->where('role_id', $roleId)
                ->update(['mobile_rules' => $mobileRulesJson]);

            // 2. 同步到role_menu_permissions表（向后兼容）
            // 删除原有权限
            Db::table('role_menu_permissions')
                ->where('role_id', $roleId)
                ->delete();

            // 添加新权限
            if (!empty($menuKeys)) {
                // 使用查询构造器获取菜单ID映射
                $menuList = Db::table('school_sys_menu')
                    ->where('app_type', 'uniapp')
                    ->where('status', 1)
                    ->field('id, menu_key')
                    ->select()
                    ->toArray();

                // 创建menu_key到ID的映射
                $menuKeyToId = [];
                foreach ($menuList as $menu) {
                    $menuKeyToId[$menu['menu_key']] = $menu['id'];
                }

                // 过滤出有效的菜单ID并构造插入数据
                $insertData = [];
                $currentTime = date('Y-m-d H:i:s');
                foreach ($menuKeys as $menuKey) {
                    if (isset($menuKeyToId[$menuKey])) {
                        $insertData[] = [
                            'role_id' => $roleId,
                            'menu_id' => $menuKeyToId[$menuKey],
                            'is_enabled' => 1,
                            'created_at' => $currentTime,
                            'updated_at' => $currentTime
                        ];
                    }
                }

                // 批量插入权限数据
                if (!empty($insertData)) {
                    Db::table('role_menu_permissions')->insertAll($insertData);
                }
            }

            Db::commit();
            return true;
        } catch (\Exception $e) {
            Db::rollback();
            throw new AdminException('设置UniApp菜单权限失败：' . $e->getMessage());
        }
    }
}