<?php

declare(strict_types=1);

namespace app\model;

use think\facade\Db;
use think\Model;

/**
 * @mixin \think\Model
 * 
 */
class VrFloder extends Model
{
    /**
     * 数据添加前置操作
     */
    public static function onBeforeWrite($floder)
    {
        // 1  如果是修改，且没有根, 则只是修改信息，并未修改结构位置
        if (!empty($floder->id) && empty($floder->pid)) return true;

        // 2  如果是修改，且文件夹位置变更, 则将后续位置信息减2
        if (!empty($floder->id) && !empty($floder->pid)) {
            if ($floder->fld_type == 1) {
                $conditionLeft = [['lft', '>', $floder->rgt], ['fld_type', '=', 1], ['create_user', '=', $floder->create_user]];
                $conditionRight = [['rgt', '>', $floder->rgt], ['fld_type', '=', 1], ['create_user', '=', $floder->create_user]];
            } else {
                $conditionLeft = [['lft', '>', $floder->rgt], ['fld_type', '=', 2], ['root_id', '=', $floder->root_id]];
                $conditionRight = [['rgt', '>', $floder->rgt], ['fld_type', '=', 2], ['root_id', '=', $floder->root_id]];
            }

            VrFloder::where($conditionLeft)->update(['lft' => Db::raw('lft-2')]);
            VrFloder::where($conditionRight)->update(['rgt' => Db::raw('rgt-2')]);
        }

        // 3  如果是在根下添加文件夹
        if (empty($floder->id) && empty($floder->pid)) {
            if ($floder->fld_type == 1) { // 个人
                $parent = VrFloder::where(['fld_type' => 1, 'create_user' => $floder->create_user, 'lft' => 1, 'depth' => 0])->find();
            } else {    // 团队根
                $parent = VrFloder::where(['fld_type' => 2, 'root_id' => $floder->root_id, 'lft' => 1, 'depth' => 0])->find();
            }

            if (empty($parent)) {
                $parentId = VrFloder::insertGetId([
                    'fld_name' => '全部',
                    'createtime' => time(),
                    'vr_num' => 0,
                    'fld_type' => $floder->fld_type,
                    'create_user' => $floder->create_user,
                    'lft' => 1,
                    'rgt' => 2,
                    'depth' => 0,
                    'root_id' => $floder->root_id ?? null
                ]);
                $parent = VrFloder::find($parentId);
            }
        }

        // 4 添加子文件夹
        if (empty($floder->id) && !empty($floder->pid)) $parent = VrFloder::find($floder->pid);

        $conditionLeft = [['lft', '>', $parent->rgt], ['fld_type', '=', $parent->fld_type], ['create_user', '=', $floder->create_user]];
        $conditionRight = [['rgt', '>=', $parent->rgt], ['fld_type', '=', $parent->fld_type], ['create_user', '=', $floder->create_user]];

        VrFloder::where($conditionLeft)->update(['lft' => Db::raw('lft+2')]);
        VrFloder::where($conditionRight)->update(['rgt' => Db::raw('rgt+2')]);

        $floder->lft = $parent->rgt;
        $floder->rgt = $parent->rgt + 1;
        $floder->depth = $parent->depth + 1;
        return true;
    }


    public function group()
    {
        return $this->hasmany(VrGroup::class, 'floder_id', 'id');
    }
    /**
     * 处理
     */
    public function getCreatetimeAttr($value){
        if (empty($value)) return $value;
        return date('Y-m-d H:i:s',(int)$value);
    }
}