<?php

namespace Common\Business;
use Common\Model\GoodsDefaultImgModel;
use Common\Model\ImageGalleryModel;
use Common\Model\RetailGoodsModel;
use Common\Model\RetailMgoodsModel;
use Common\Model\RetailSkuGoodsModel;
use Common\Model\SkuMGoodsModel;

//[1.7.90]
/**
 * 图片类
 * Class Image
 * [
 * 根据商品id 规格id 查询商品图片 basisGoodsIdGetImg
 * 当前网站url的链接(不包含文件路径) imageUrlTitle
 * 商品图片路径 getGoodsImageUrl
 * ]
 * @package Common\Business
 */
class Image
{
    /**
     * 根据商品id获取图片
     * @param $param
     * [
     * user_type 3商户 4门店
     * goods_id
     * sku_id
     * ]
     * @return mixed
     */
    public function basisGoodsIdGetImg($param)
    {
        switch ($param['user_type']){
            case 3:
                $GoodsModel = new RetailMgoodsModel();
                $SkuGoodsModel = new SkuMGoodsModel();
                $fields = 'goods_image_id';
                break;
            case 4:
                $GoodsModel = new RetailGoodsModel();
                $SkuGoodsModel = new RetailSkuGoodsModel();
                $fields = 'goods_img_id';
                break;
        }
        if(!empty($param['sku_id'])){
            $img_id = $SkuGoodsModel->getFindField([
                'id'=>$param['sku_id']
            ],'goods_img_id');
        }else if(!empty($param['goods_id'])){
            $img_id = $GoodsModel->getFindField([
                'id'=>$param['goods_id']
            ],$fields);
        }
        $path = $this->getGoodsImageUrl([
            'img_id'=>$img_id
        ]);
        return $path;
    }


    /**
     * 商品图片路径
     * @param $param
     * [
     * img_id 图片id
     * img_url 本地图片路径
     * store_id 门店id
     * ]
     * @return bool|mixed|string
     */
    public function getGoodsImageUrl($param)
    {
        $img_id = $param['img_id'];
        $img_url = $param['img_url']?$param['img_url']:'';
        $store_id = $param['store_id'];
        $urlTitle = $this->imageUrlTitle();
        $ImageGalleryModel = new ImageGalleryModel();
        $GoodsDefaultImgModel = new GoodsDefaultImgModel();
        if (!empty($img_id)) {
            $img_url = $ImageGalleryModel->getFieldPath(array('id' => $img_id));
            if (!$img_url) {
                $img_url = $GoodsDefaultImgModel->getDefaultImg($store_id);
            }
        } else {
            if (!empty($imgUrl) && $img_url != '/Uploads') {       // 处理图片
                $img_url = $urlTitle . $img_url;
            } else {
                $img_url = $GoodsDefaultImgModel->getDefaultImg($store_id);
            }
        }
        return $img_url;
    }


    /**
     * 当前网站url的链接(不包含文件路径)
     * @return string
     */
    public function imageUrlTitle()
    {
        $title = 'http';
        if ($_SERVER['HTTPS'] == 'on') {
            $title .= 's';
        }
        return $title . '://' . $_SERVER['HTTP_HOST'];
    }
}