<?php


namespace common\components\delivery\platform\shunfeng;

use common\components\delivery\helpers\HttpClient;

/**
 * Class Shunfeng  核心类，保存顺风同城平台的开发者信息
 * @package common\components\delivery\platform\shunfeng
 */
class Shunfeng
{
    protected $baseUrl;
    protected $devId;
    protected $appSecret;
    protected $shopId;
    protected $accessToken;
    protected $apiVersion = 19;

    public function __construct($accessToken = '', $shopId = 0)
    {
        // 根据环境设置基础URL
        if (getenv('YII_ENV') == 'production') { // TODO 先变更为测试  --- production  /  dev
            $this->baseUrl = 'https://openic.sf-express.com/open/api/external/';
            $this->devId = 1594082399;
            $this->appSecret = '9025c4f5ad93e8e08e947f02d0cde652';
            $this->shopId = $shopId;
        } else {
            $this->baseUrl = 'https://openic.sf-express.com/open/api/external/';
            $this->devId = 1741530942;
            $this->appSecret = '07b3f83d19a4a9f89322976c936faf92';
            $this->shopId = $shopId;
        }

        // 配置信息（从Auth类获取）
        $this->accessToken = $accessToken;
    }

    /**
     * 构建API请求参数
     *
     * 根据蜂鸟API规范构建完整的请求参数，包括签名
     *
     * @param string $method API方法名
     * @param array $businessData 业务参数
     * @return array 完整的请求参数
     */
    protected function httpRequest($method, $businessData = [])
    {
        // 构建参数
        $payload = [
            'dev_id' => $this->devId,
            'shop_id' => $this->shopId,
            'shop_type' => 1, //1:顺丰店铺ID 2:接入方店铺ID
        ];
        $payload = array_merge($payload, $businessData);

        // 计算签名
        $signature = $this->generateSignature($payload);
        $url = $this->baseUrl . $method . '?sign=' .  $signature;

        $resp = HttpClient::post($url, $payload, [
            'Content-Type' => 'application/json',
        ]);
        return $resp;
    }

    public function generateSignature($params)
    {
        $post_data = json_encode($params);
        $sign_char = $post_data . "&{$this->devId}&{$this->appSecret}";
        $sign      = base64_encode(MD5($sign_char)); // 注：md5出来的结果是32位小写16进制字符串，$sign 的最终结果末尾包含等号=
        return $sign;
    }
}