<?php

namespace App\Service;

use App\Model\SysMenu;

/**
 * 菜单相关
 * @package App\Models
 */
class SysMenuService extends Service
{
    public function edit($data){
        list($status,$msg) = $this->menuRule($data);
        if(!$status) return [$status,$msg];
        if($this->isEmpty($data,'id')) return [false,'ID必须！'];
        $id = $data['id'];
        $first = SysMenu::where('title',$data['title'])->where('id','<>',$id)->where('del_time',0)->first();
        if(!empty($first))return [false,'名称已存在！'];

        $model = SysMenu::where('id',$id)->first();
        $model->title = $data['title'];
        $model->icon = $data['icon'] ??  '';
        $model->uri = $data['uri'];
        $model->parent_id = $data['parent_id'];
        $model->sort = $data['sort'] ?? 0;
        $model->save();

        return [true,'保存成功！'];
    }

    public function add($data,$user){
        list($status,$msg) = $this->menuRule($data);
        if(!$status) return [$status,$msg];
        $first = SysMenu::where('title',$data['title'])->where('del_time',0)->first();
        if(!empty($first))return [false,'名称已存在！'];

        $model = new SysMenu();
        $sort = $model->where('parent_id',$data['parent_id'])->max('sort');

        $model->title = $data['title'];
        $model->icon = $data['icon'] ??  '';
        $model->uri = $data['uri'] ?? '';
        $model->parent_id = $data['parent_id'];
        $model->sort = $sort ? $sort + 1 : 1;
        $model->crt_id = $user['id'];
        $model->save();

        return [true,'保存成功！'];

    }

    public function del($data){
        if($this->isEmpty($data,'id')) return [false,'ID必须！'];

        SysMenu::where('id',$data['id'])->update([
            'del_time'=>time()
        ]);

        return [true,'删除成功'];
    }

    public function menuList($data){
        if(isset($data['type'])) $type = $data['type'];
        else $type = '1';
        if($type === '1'){
            $return  = SysMenu::where('del_time',0)->select('title','icon','uri','parent_id','sort','crt_time','id')->orderBy('sort','desc')->get()->toArray();
        }else{
            $list = SysMenu::where('del_time',0)->where('state',1)->select('title','icon','uri','parent_id','sort','crt_time','id')->orderBy('sort','desc')->get()->toArray();
            $return = $this->makeTree(0,$list);
            $return = $this->set_sort_circle($return);
        }

        return [200,$return];
    }

    public function menuRule($data){
        if($this->isEmpty($data,'title')) return [false,'名称不存在！'];
        if($this->isEmpty($data,'parent_id')) return [false,'父级不存在！'];

        return [true,''];
    }

    public function menuMove($data){
        if($this->isEmpty($data,'id')) return [false,'ID不能为空！'];
        if($this->isEmpty($data,'move')) return [false,'移动不能能为空！'];

        //移动项
        $model = new SysMenu();
        $res = $model->where('id', $data['id'])->first();

        if($data['move'] == 1 || $data['move'] == -1){
            //替项目
            $moveModel = $model->where('del_time',0)->where('parent_id',$res->parent_id);

            //下移-1 上移1
            $data['move'] == 1 ? $moveModel->orderby('sort','desc')->where('sort','<', $res['sort']) : $moveModel->orderby('sort','asc')->where('sort','>', $res['sort']);

            $moveRes = $moveModel->first();
            if(! $moveRes) return [false, '移动失败'];

            $weightOne = $res->sort;
            $weightTwo = $moveRes->sort;

            $res->sort = $weightTwo;
            $res->save();
            $moveRes->sort = $weightOne;
            $moveRes->save();
        }elseif($data['move'] == 'top' || $data['move'] == 'bottom'){
            if($data['move'] == 'top'){
                $sort = $model->where('del_time',0)->where('parent_id',$res->parent_id)->max('sort');
                if($sort == $res->sort) return [false,'已经置顶,移动失败！'];
                $res->sort = $sort + 1;
            }elseif($data['move'] == 'bottom'){
                $sort = $model->where('del_time',0)->where('parent_id',$res->parent_id)->min('sort');
                if($sort == $res->sort) return [false,'已经置底部,移动失败！'];
                $res->sort = $sort - 1;
            }
            $res->save();
        }else{
            return [false, '移动失败'];
        }

        return [true,'移动成功'];
    }
}