<?php
/**
 * Created by PhpStorm.
 * User: ZCY
 * Date: 2018/10/12
 * Time: 19:10
 */
namespace backend\models\coin;

use backend\models\BaseForm;
use common\models\psources\CoinApplicationCategory;
use common\service\coin\Coin;

class CoinApplicationCategoryForm extends BaseForm
{
    const SCENARIO_ADD = 'add';
    const SCENARIO_EDIT = 'edit';

    public $id;
    public $name;
    public $sort;
    public $icon;
    public $pid;

    public function scenarios()
    {
        return [
            self::SCENARIO_ADD => ['name','sort','icon','pid'],
            self::SCENARIO_EDIT => ['id','name','sort','icon','pid'],
        ];
    }


    public function attributeLabels()
    {
        return [
            'id'   => 'ID',
            'name' => '名称',
            'icon' => '图标',
            'sort' => '排序',
            'pid'  => '父级分类ID'
        ];
    }

    public function rules()
    {
        return [
            [['name'], 'required', 'on' => self::SCENARIO_ADD],
            [['id','name','sort'], 'required', 'on' => self::SCENARIO_EDIT],
            ['sort', 'default', 'value' => 1],
            ['sort', 'integer'],
            ['icon', 'default', 'value' => 0],
            ['pid', 'default', 'value' => 0],
            ['name', 'checkName'],
            ['pid','checkPid','on' => self::SCENARIO_EDIT],
        ];
    }

    public function checkName($attribute, $params)
    {
        $res = CoinApplicationCategory::find()->where(['name' => $this->$attribute])->one();
        $scenario  = $this->getScenario();
        if($scenario == self::SCENARIO_ADD){
            if($res){
                $this->addError($attribute,'应用分类名称已存在');
            }
        }else if($scenario == self::SCENARIO_EDIT){
            if($res && $res->id != $this->id){
                $this->addError($attribute,'应用分类名称已存在');
            }
        }
    }

    public function checkPid($attribute, $params)
    {
        if($this->pid == $this->id){
            $this->addError($attribute,'不能设置为自己的子分类');
        }
    }


    /**
     * 添加应用分类
     */
    public function add()
    {
        if($this->validate()){
            $coin_applicate_category = new CoinApplicationCategory();
            $coin_applicate_category->setAttributes($this->attributes,false);
            $coin_applicate_category->save();
            $items = CoinApplicationCategory::getItemsByPid(0);
            return ['code' => 0,'msg' => '应用分类添加成功!'];
        }else{
            $error = self::getModelError($this);
            return ['code' => 1,'msg' => $error];
        }
    }

    /**
     * 编辑应用分类
     */
    public function edit()
    {
        if($this->validate()){
            $coin_applicate_category = CoinApplicationCategory::getCategoryById($this->id);
            if($coin_applicate_category){
                $coin_applicate_category->setAttributes($this->attributes,false);
                $coin_applicate_category->save();
                return ['code' => 0,'msg' => '应用分类修改成功!'];
            }else{
                return ['code' => 1,'msg' => '应用分类不存在'];
            }
        }else{
            $error = self::getModelError($this);
            return ['code' => 1,'msg' => $error];
        }
    }

    /**
     * @param $id
     * 删除应用分类
     */
   public function del($id)
   {
        $coin_applicate_category = CoinApplicationCategory::getCategoryById($id);
        if($coin_applicate_category){
            $hasChild = CoinApplicationCategory::hasChildCategory($id);
            if($hasChild){
                return ['code' => 1,'msg' => '应用分类存在子分类，不能删除'];
            }
            $coin_applicate_category->delete();
            $items = CoinApplicationCategory::getItemsByPid(0);
            return ['code' => 0,'msg' => '应用分类删除成功'];
        }else{
            return ['code' => 1,'msg' => '应用分类不存在'];
        }
   }

}