<?php
declare (strict_types=1);

namespace app\api\model;

use think\Model;

/**
 * @mixin think\Model
 */
class Cate extends CmsCommon
{

    public $table = 'bmz_cate';


    /**
     * 列表数据模型
     * @return array|\think\Collection
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function index()
    {
//        $_op = config('app.app_debug') ?: $_op = $this->where('is_dev', 0); //开发者模式

        $module_id = $this->request->param('module_id', 0);
        $_op = $this->field('*');

        if($module_id){
            $_op = $this->where('module_id',$module_id);
        }

        $data = parent::parentLists($_op, 0);

        $mudule = new Module();
        $data_module = $mudule->parentLists(null,0);
        $module_arr = [];
        foreach ($data_module['data'] as $v){
            $module_arr[$v['id']] = $v['module_name'];
        }

        foreach ($data['data'] as &$item){
            if(isset($module_arr[$item['module_id']])){
                $item['module_name'] = $module_arr[$item['module_id']];
            }else{
                $item['module_name'] = '';
            }
        }
        $data['data'] = $this->getHasChild($data['data']);


       return $data;

    }

    function getHasChild($data){

        foreach ($data as &$item){
            $item['has_child'] = 0;
            foreach ($data as $val){
                if($val['parent_id'] == $item['id']){
                    $item['has_child'] = 1;
                    break;
                }
            }
        }
        return $data;

    }
    /**
     * 新增或修改前
     * @param Model $model
     * @return mixed|void
     */
    public static function onBeforeWrite(Model $model)
    {
        //设定child_list
        if (empty($model->getAttr('parent_id'))) {
            //parent_id = 0 一级栏目填充
            $child_list = self::where('parent_id', 0)->max('child_list');
            $child_list = !empty($child_list) ? (int)$child_list + 1 : 100;  //如果不存在设置默认值 100起始
            $model->setAttr('child_list', $child_list);
        } else {
            //子栏目填充
            $child_list = self::where('parent_id', $model->getAttr('parent_id'))->max('child_list'); //同级最大
            $parent_child_list = self::where('id', $model->getAttr('parent_id'))->value('child_list'); //父级初始
            $child_list = !empty($child_list) ? (int)$child_list + 1 : $parent_child_list . '100';
            $model->setAttr('child_list', $child_list);
        }
        parent::onBeforeWrite($model);
    }


    public static function onAfterDelete(Model $model)
    {
        //删除父级栏目下所有子栏目
        if ($model->getAttr('child_list')) {
            self::where('child_list', 'like', $model->getAttr('child_list') . '%')->useSoftDelete('delete_time', time())->delete();
        }
        parent::onAfterDelete($model);
    }

}