<?php

namespace App\Http\Controllers;

use App\Models\MenuModel;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;

class MenuController extends Controller
{
    //
    public function index () {
        $menu = MenuModel::all();
        if ($menu) {
            $menu = $menu->toArray();
        } else {
            $menu = [];
        }
        $menu = getTreeList($menu);
        return $this->success($menu);
    }

    public function store (Request $request) {

        $validator = Validator::make($request->all(),[
            'name' => 'required',
            'pid' => 'required',
            'url' => 'required'
        ],[
            'name.required' => '菜单名称不能为空',
            'pid.required' => '上级菜单不能为空',
            'url.required' => '菜单地址不能为空'
        ]);
        if ($validator->fails()){
            return $this->error(ERROR_CODE_PARAM_INVALID,$validator->errors()->first());
        }
        $arr = $request->all();
//        return  $this->success($arr);
        $res = MenuModel::create($arr);
        if (! $res) {
            return  $this->error(ERROR_CODE_INTERNAL_ERROR,'系统繁忙,稍后再试');
        }
        return  $this->success([]);
    }

    public function update ($id,Request $request) {
        if (! is_numeric($id)) {
            return $this->error(ERROR_CODE_PARAM_INVALID,'参数格式不对');
        }
        $validator = Validator::make($request->all(),[
            'name' => 'required',
            'pid' => 'required',
            'url' => 'required'
        ],[
            'name.required' => '菜单名称不能为空',
            'pid.required' => '上级菜单不能为空',
            'url.required' => '菜单地址不能为空'
        ]);
        if ($validator->fails()){
            return $this->error(ERROR_CODE_PARAM_INVALID,$validator->errors()->first());
        }
        $arr = $request->all();
        $res = MenuModel::where('id',$id)->update($arr);
        if (! $res) {
            return  $this->error(ERROR_CODE_INTERNAL_ERROR,'系统繁忙,稍后再试');
        }
        return  $this->success([]);
    }

    public function destroy ($id) {
        if (! is_numeric($id)) {
            return $this->error(ERROR_CODE_PARAM_INVALID,'参数格式不对');
        }
        $count = MenuModel::where('pid',$id)->count();
        if ($count) {
            return $this->error(ERROR_CODE_INTERNAL_ERROR,'该菜单下有子菜单');
        }
        $res = MenuModel::destroy($id);
        if (! $res) {
            return  $this->error(ERROR_CODE_INTERNAL_ERROR,'系统繁忙,稍后再试');
        }
        return  $this->success([]);

    }

}