<?php

namespace App\Http\Controllers;

use App\Authority;
use App\Components\AsyncResponse;
use App\Menu;
use App\Services\common\BatchUpdateService;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Gate;

class MenuController extends Controller
{
    use AsyncResponse;
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\View\View
     */
    public function index()
    {
        if (!Gate::allows('基础设置-菜单')){return view("exception.authority"); }
        return \view("maintenance.menu.index",["menus"=>Menu::query()->orderByRaw("level DESC,sequence")->get()]);
    }

    public function update()
    {
        $this->gate("基础设置-菜单-编辑");
        $update = [];
        $mapping = app("MenuService")->getMenuAndAuthorityMapping();
        $authorityUpdate = [];
        if (request()->has("parent_id")){
            $update["parent_id"] = request("parent_id");
            $authorityUpdate["parent_id"] = request("parent_id") ? ($mapping[request("parent_id")] ?? null) : null;
        }
        if (request()->has("level"))$update["level"] = request("level");
        if (request()->has("name")){
            $update["name"] = request("name");
            $authorityUpdate["name"] = $mapping[request("name")];
        }
        if (request()->has("font"))$update["font"] = request("font");
        if (request()->has("font_style"))$update["font_style"] = request("font_style");
        if (request()->has("route"))$update["route"] = request("route");
        if (request()->has("diff")){
            $diff = request("diff");
            Menu::query()->whereIn("id",request("child"))->update(["level"=>DB::raw("level - {$diff}")]);
        }
        if ($update && Menu::query()->where("id",request("id"))->update($update)){
            app("MenuService")->setMenu();//重建菜单缓存
            if ($authorityUpdate && ($mapping[request("id")] ?? null)){
                Authority::query()->where("id",$mapping[request("id")])->update($authorityUpdate);
                app("AuthorityService")->removeAllAuth();//移除所有用户权限缓存,这将在用户下次访问时重新建立
            }
        }
        $this->success();
    }

    public function sort()
    {
        $this->gate("基础设置-菜单-编辑");
        app(BatchUpdateService::class)->batchUpdate("menus",request("update"));
        app("MenuService")->setMenu();//重建菜单缓存
        $this->success();
    }

    //菜单更新时 刷掉全部菜单权限缓存 录入时刷掉超管权限 与 附加菜单缓存
    public function save()
    {
        $id = request("id");
        $mapping = app("MenuService")->getMenuAndAuthorityMapping();
        if ($id){
            $this->gate("基础设置-菜单-编辑");
            Menu::query()->where("id",$id)->update([
                "name" => request("name"),
                "route" => request("route"),
                "font" => request("font"),
                "font_style" => request("font_style"),
            ]);
            if ($mapping[$id] ?? false){
                $authority = Authority::query()->where("id",$mapping[$id])->first();
                if ($authority->name != request("name"))$authority->update(["name"=>request("name")]);
                app("AuthorityService")->removeAllAuth();
            }
            app("MenuService")->setMenu();//重建菜单缓存
            $this->success();
        }
        $this->gate("基础设置-菜单-录入");
        $menu = Menu::query()->create([
            "name" => request("name"),
            "route" => request("route"),
            "font" => request("font"),
            "font_style" => request("font_style"),
            "parent_id" => request("parent_id"),
            "level" => request("level"),
        ]);
        //增加菜单权限
        Authority::query()->create([
            'name' => $menu->name,
            'parent_id' => $mapping[$menu->parent_id] ?? null,
            'alias_name' => app("MenuService")->getUniqueName($menu),
        ]);
        app("AuthorityService")->removeAdminAuth();//刷掉超管权限缓存
        app("MenuService")->appendMenu($menu);//为菜单总缓存附加
        $this->success($menu);
    }
    public function delete()
    {
        $this->gate("基础设置-菜单-删除");
        $ids = request("ids");
        $authIds = [];
        $mapping = app("MenuService")->getMenuAndAuthorityMapping();
        foreach ($ids as $id)if (isset($mapping[$id]))$authIds[] = $mapping[$id];

        Menu::destroy($ids);
        app("MenuService")->setMenu();//重建菜单缓存
        if ($authIds){
            DB::table("authority_role")->whereIn("id_authority",$authIds)->delete();
            Authority::destroy($ids);
            app("AuthorityService")->removeAllAuth();//移除所有用户权限缓存,这将在用户下次访问时重新建立
        }
        $this->success();
    }

    public function get()
    {
        return app("MenuService")->getVisibleFunctionList();
    }
}