<?php

namespace hd\models\homePageConfig;

use bizHd\homePageConfig\classes\HomePageConfigClass;
use hd\models\BaseForm;
use Yii;

/**
 * 删除单张轮播图 OSS
 */
class DeleteBannerImgForm extends BaseForm
{
    public $filePath;

    public function rules()
    {
        return [
            ['filePath', 'required', 'message' => '参数错误'],
            ['filePath', 'validateFilePath'],
        ];
    }

    public function attributeLabels()
    {
        return [
            'filePath' => '图片路径',
        ];
    }

    public function validateFilePath($attribute)
    {
        $filePath = ltrim(strval($this->$attribute), '/');
        $this->$attribute = $filePath;
        if ($filePath === '') {
            $this->addError($attribute, '参数错误');
            return;
        }
        $controller = Yii::$app->controller;
        $mainId = intval($controller->mainId ?? 0);
        $shopId = intval($controller->shopId ?? 0);
        $prefix = HomePageConfigClass::BANNER_OSS_ROOT . '/' . $mainId . '/' . $shopId . '/';
        if (strpos($filePath, $prefix) !== 0) {
            $this->addError($attribute, '无权删除该图片');
        }
    }

    /**
     * @return string
     */
    public function getFilePath()
    {
        return ltrim(strval($this->filePath), '/');
    }
}