<?php

namespace App\Http\Controllers;

use App\Authority;
use App\Components\AsyncResponse;
use App\Services\common\BatchUpdateService;
use App\User;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\Facades\Validator;

class AuthorityController extends Controller
{
    use AsyncResponse;
    public function index()
    {
        if (!Gate::allows('权限-查询')){return view("exception.authority"); }
        $authorities = app("AuthorityService")->format(Authority::query()->get());
        return view('maintenance.authority.index',['authorities'=>$authorities]);
    }

    public function store()
    {
        $this->gate("权限-录入");
        $errors = Validator::make(\request()->input(),
            ['parent_id'=>['nullable',"integer"],
             'name'=>'required',
             'alias_name'=>['required','unique:authorities,alias_name'],
             'permission'=>'required',
            ],[
            'integer'=>':attribute 非法参数',
            'required'=>':attribute 必填',
            ],[
                'parent_id'=>'父级',
                'name'=>'权限名',
                'alias_name'=>'唯一标识',
                'permission'=>'许可',
                'unique'=>'重复'
            ])->errors();
        if ($errors->count()>0)$this->success(["errors"=>$errors]);
        $authority = Authority::query()->create([
            'name'          => \request("name"),
            'parent_id'     => \request("parent_id"),
            'alias_name'    => \request("alias_name"),
            'permission'    => \request("permission")
        ]);
        app("AuthorityService")->removeAdminAuth();
        $this->success($authority);
    }

    public function update()
    {
        $this->gate("权限-编辑");
        $list = request("list");
        if (!$list || count($list)<1)$this->success();
        array_unshift($list,["id","name"]);
        app(BatchUpdateService::class)->batchUpdate("authorities",$list);//更新权限名
        app("AuthorityService")->removeAllAuth();//刷掉权限缓存
        $updateMenu = [["id","name"]];
        $mapping = array_flip(app("MenuService")->getMenuAndAuthorityMapping());//获取菜单与权限映射并反转
        foreach (request("list") as $data)if (isset($mapping[$data["id"]]))$updateMenu[] = ["id"=>$mapping[$data["id"]],"name"=>$data["name"]];//验证更新的权限中是否存在有映射关系的缓存并记录
        if (count($updateMenu)>1){
            app(BatchUpdateService::class)->batchUpdate("menus",$updateMenu);//存在映射关系的缓存更新映射对象
            app("MenuService")->setMenu();//重建菜单缓存
        }
        $this->success();
    }

    public function destroy()
    {
        $this->gate("权限-删除");
        Authority::query()->whereIn('id',request("ids"))->get()->each(function ($auth){$auth->delete();});
        app("AuthorityService")->removeAllAuth();//刷掉权限缓存
        $this->success();
    }

    public function getAuthoritiesApi()
    {
        /** @var User $user */
        $user = Auth::user();
        if(!$user) $this->success(null);
        if($user && $user->isSuperAdmin()){
            $this->success( Authority::query()->orderBy('name')->get());
        }
        $authority = $user->authorities();
        $this->success($authority);
    }
}