<?php
/**
 * Created by:PhpStorm
 * Author:chenzhiyuan
 * Date: 2022/4/19
 * Time: 1:49 下午
 */

namespace App\Service\Admin;


use App\Log;
use App\Models\System\AdminManageCorp;
use App\Models\System\AdminManageRole;
use App\Models\System\Permission;
use App\Models\System\RolePermission;
use App\Models\System\Users;

class PermissionService
{
    CONST ROUTE_EXIST           = 4400,
        PARENT_ID_NOT_EXIST     = 4401,
        SORT_ERROR              = 4402,
        NOT_FOUND               = 4403,
         SUCCESS                = 0;


    /**
     * 获取权限树
     * @param $view_type
     * @param int $parent_id
     * @param int $level
     * @param false $only_permission_id_arr [false：查看全部权限。权限集合数组：只查看特定的权限]
     * @return array
     */
    public static function permission_tree($view_type,$parent_id = 0,$level = 1,$only_permission_id_arr = false){

        
       $query = Permission::query()->where("is_delete",0)
           ->where("view_type",$view_type)
           ->where("parent_id",$parent_id);

       //是否只查看特定权限
        if($only_permission_id_arr!==false){
            $query->whereIn("id",$only_permission_id_arr);
        }

       $list = $query->select("id","title","route","icon")
            ->orderBy("weight")
            ->get()
            ->toArray();

       if(empty($list)) return [];

       foreach ($list as $k => $item){
           $list[$k]['level'] = $level;
           $list[$k]['sub'] = self::permission_tree($view_type,$item['id'],++$level,$only_permission_id_arr);

       }
       return $list;
    }


    /**
     * 权限列表
     * @param $view_type
     * @param $parent_id
     * @return array
     */
    public static function permission_list($view_type,$parent_id){

         $list = Permission::query()->where("parent_id",$parent_id)
                 ->where("view_type",$view_type)
                ->where("is_delete",0)
                ->select("id","title","parent_id","route","icon","created_at")
                ->orderBy("weight","asc")
                ->get()->toArray();

         foreach ($list as $k => $item){
             //统计子权限数量
             $list[$k]['sub_num'] = Permission::query()->where("parent_id",$item['id'])
                                                         ->where("view_type",$view_type)
                                                         ->where("is_delete",0)
                                                         ->count();
         }
         return $list;
    }

    /**
     * 删除权限
     * @param $view_type
     * @param $id
     */
    public static function del_permission($view_type,$id)
    {
        /**删除指定权限**/
        $find =  Permission::query()->where("is_delete",0)
            ->where("view_type",$view_type)
            ->where("id",$id)
            ->first();

        if(empty($find)) return self::NOT_FOUND;

        Permission::query()->where("id",$id)->update(['is_delete'=>1]);

        //todo 删除权限引用

        /**删除子集权限**/
        $sub = Permission::query()->where("is_delete")
            ->where("view_type",$view_type)
            ->where("parent_id",$id)
            ->get()->toArray();
        foreach ($sub as $item){
            self::del_permission($view_type,$item['id']);  //递归删除
        }
        return self::SUCCESS;
    }

    /**
     * 创建权限
     * @param $view_type
     * @param $admin_id
     * @param $parent_id
     * @param $title
     * @param $route
     * @param $weight
     * @param $icon
     */
    public static function create_permission($view_type,$admin_id,$parent_id,$title,$route,$weight,$icon){

        //检查上级id是否存在
        if( $parent_id != 0 ){
            $check_parent_id =  Permission::query()
                ->where("view_type",$view_type)
                ->where("id",$parent_id)
                ->where("is_delete",0)
                ->first();
            if(empty($check_parent_id)) return self::PARENT_ID_NOT_EXIST;
        }

        //检查路由地址是否已存在
//        $find = Permission::query()->where("root_admin_id",$root_admin_id)
//            ->where("route",$route)
//            ->where("is_delete",0)
//            ->first();
//        if(!empty($find)) return self::ROUTE_EXIST;


        Permission::query()->create(
            [
                'view_type'     => $view_type,
                'title'         => trim($title),
                'parent_id'     => $parent_id,
                'route'         => trim($route),
                'icon'          => trim($icon),
                'weight'        => $weight,
                'create_admin_id' => $admin_id
            ]
        );
        return self::SUCCESS;
    }

    /**
     * 编辑权限(顶级)
     * @param $view_type
     * @param $id
     * @param $title
     * @param $route
     * @param $icon
     */
    public static function edit_permission_l1($view_type,$id, $title, $route, $icon){

        $find = Permission::query()->where("id",$id)
                                    ->where("view_type",$view_type)
                                    ->where("parent_id",0)
                                    ->first();

        if(empty($find)) return self::NOT_FOUND;

        Permission::query()->where("id",$id)
            ->update([
                'title' => trim($title),
                'route' => trim($route),
                'icon'  => trim($icon)
            ]);
        return self::SUCCESS;
    }


    /**
     * 编辑权限(顶级)
     * @param $view_type
     * @param $id
     * @param $title
     * @param $route
     */
    public static function edit_permission_l2($view_type,$id, $title, $route){

        $find = Permission::query()->where("id",$id)
            ->where("view_type",$view_type)
            ->where("parent_id","!=",0)
            ->first();

        if(empty($find)) return self::NOT_FOUND;

        Permission::query()->where("id",$id)
            ->update([
                'title' => trim($title),
                'route' => trim($route),
            ]);
        return self::SUCCESS;
    }


    /***
     * 对权限进行排序设置
     * @param $view_type
     * @param $parent_id
     * @param $permission_id_arr
     */
    public static function be_sort($view_type,$parent_id,$permission_id_arr){

        $count = Permission::query()
            ->where("view_type",$view_type)
            ->where("parent_id",$parent_id)
            ->where("is_delete",0)
            ->count();
        if($count != count($permission_id_arr)){
            return self::SORT_ERROR;
        }

        foreach ($permission_id_arr as $num => $p_id){
            Permission::query()->where("id",$p_id)
                ->where("parent_id",$parent_id)
                ->where("is_delete",0)
                ->update(['weight'=>$num]);
        }
        return self::SUCCESS;
    }


    /**
     * 获取用户的权限集合
     * @param $view_type
     * @param $admin_id
     * @param $is_system_user
     */
    public static function user_permission($view_type, $admin_id, $is_system_user,$sys_group_id)
    {
        $only_permission_id_arr = false;
        /**非超级用户根据用户角色，找到角色对应的所有权限**/
        if($is_system_user != Users::SYSTEM_ADMIN){
            # 判断账号是否已授权企微
            $hasAccount = AdminManageCorp::query()
                ->where("sys_user_id", $sys_group_id)
                ->where("is_delete",0)
                ->exists();

            if($hasAccount) {
                # 获取用户可操作的权限集
                $base_permission_id_arr = RoleService::getPermissionIdsOfUser($admin_id, $sys_group_id);
            } else {
                $base_permission_id_arr = RoleService::getPermissionIdsOfUser($admin_id, $sys_group_id, [24, 20]);
            }

            if(!is_array($base_permission_id_arr)) $base_permission_id_arr = $base_permission_id_arr->toArray();

            //补充权限集的上一集
            $parent_permission_id_arr =  self::get_parent_permission_id($view_type,$base_permission_id_arr);
            //补充公共菜单
            $public_permission_id_arr = Permission::query()->where("is_delete",0)
                ->where("view_type",$view_type)
                ->where("public",1)
                ->pluck("id")->toArray();
            $parent_permission_id_arr = array_merge($public_permission_id_arr,$parent_permission_id_arr);

            //汇总权限集
            $only_permission_id_arr = array_unique(array_merge($base_permission_id_arr,$parent_permission_id_arr));
        }

        return self::permission_tree($view_type,0,1,$only_permission_id_arr);
    }


    /**
     * 获取所有的上级权限列表 
     * @param $view_type
     * @param $sub_permission_id_arr
     * @return array
     */
    public static function get_parent_permission_id($view_type,$sub_permission_id_arr){

        if(empty($sub_permission_id_arr)){
            return [];
        }
        $parent_permission_id_arr = Permission::query()->where("is_delete",0)
            ->where("view_type",$view_type)
            ->whereIn("id",$sub_permission_id_arr)
            ->pluck("parent_id")->toArray();

        return array_merge($parent_permission_id_arr,self::get_parent_permission_id($view_type,$parent_permission_id_arr));
    }


}