<?php

namespace App\Http\Controllers\admins;

use App\Modes\SystemPermissions;
use App\Modes\SystemRoleHasPermissions;
use App\Modes\User;
use Encore\Admin\Facades\Admin;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Spatie\Permission\Models\Permission;

class SystemPermissionsController extends Controller
{
    protected $tree = [];


    /**
     * 权限-列表
     * @author fatty
     * @date 2019/1/8
     * @description
     */
    public function index()
    {
        $permission = User::find(\Auth::id())->getAllPermissions();
        return showJson(101, 1001, $permission);
    }

    /**
     * 权限-添加
     * @author fatty
     * @date 2019/1/4
     * @description
     */
    public function create(Request $request)
    {
        $validator = \Validator::make($param = $request->all(), [
            'path' => 'required',
            'pid' => 'required|numeric',
            'remark' => 'required',
            'name' => 'required',
        ]);
        if ($validator->fails()) {
            return showJsonErr($validator->errors()->first());
        }

        if (Permission::whereName($request->post('name'))->exists()) {
            return showJsonErr('权限名称已存在', $request->post('name'));
        }
        $permission = SystemPermissions::create($request->all());
        return showJson(101, 1001, $permission);
    }

    /**
     * 权限-删除
     * @author fatty
     * @date 2019/1/9
     * @param $id
     * @description
     * 删除角色关联
     * 删除权限
     */
    public function del($id)
    {
        $result = SystemPermissions::del($id);
        if (empty($result)) {
            return showJson(102, '删除权限失败');
        }
        return showJson(101, '删除权限成功');
    }

    /**
     * 详情
     * @author fatty
     * @date 2019/1/9
     * @param $id
     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Symfony\Component\HttpFoundation\Response
     * @description
     */
    public function show($id)
    {
        $permission = Permission::findById($id, config('permission.guard'));
        return showJson(101, 1001, $permission);
    }

    /**
     * 编辑
     * @author fatty
     * @date 2019/1/9
     * @description
     */
    public function edit(Request $request)
    {
        $post = filterReq($request->all(), ['pid', 'name', 'id', 'remark', 'path', 'status']);

        $validator = \Validator::make($param = $request->all(), [
            'id' => 'required|numeric'
        ]);
        if ($validator->fails()) {
            return showJsonErr($validator->errors()->first());
        }

        $permission = SystemPermissions::edit($post);
        return showJson(101, '编辑权限成功', $permission);
    }

    public function tree(Request $request)
    {
        $user = User::find(Admin()->id);

        $permission = $user->getAllPermissions();

        // var_dump($permission);exit;

        $tree = self::getTree($permission);

        return showJsonSucc(1001, $tree);
    }


    private static function getTree(\Illuminate\Support\Collection $permission, $pid = 0)
    {
        $tree = [];
        foreach ($permission as $item) {
            if ($item->pid == $pid) {
                $tree[] = [
                    'id' => $item->id,
                    'name' => $item->name,
                    'pid' => $item->pid,
                    'status' => $item->status,
                    'title' => $item->remark,
                    'children' => self::getTree($permission, $item['id'])
                ];
            }
        }
        return $tree;
    }
}