<?php

namespace common\logic\middleground\base;


use common\models\common\MiddleMch;
use GuzzleHttp\Client;
use yii\helpers\Json;

abstract class ApiAbstract implements ApiInterface
{
    /**
     * 中台域名
     *
     * @var string
     */
     protected $api_url = 'http://middle-api.qijianshigw.com/';


    protected $api_list = [];

    protected $mch = null;

    public function __construct(?MiddleMch $mch = null)
    {
        if (!empty($mch)) {
            $this->mch = $mch;
        }
    }

    public function getApiUrl(): string
    {
        // TODO: Implement getApiUrl() method.
        return $this->api_url;
    }

    public function getMethod(string $method): string
    {
        // TODO: Implement getMethod() method.
        return $this->api_list[$method] ?? '';
    }
    public function getFullUrl(string $method): string
    {
        // TODO: Implement getFullUrl() method.
        return $this->getApiUrl() . $this->getMethod($method);
    }

    public function getAppId(): string
    {
        // TODO: Implement getAppId() method.
        return $this->mch ? $this->mch->app_id : '';
    }

    public function getAppSecret(): string
    {
        // TODO: Implement getAppSecret() method.
        return $this->mch ? $this->mch->app_secret : '';
    }

    protected function createHeader($data)
    {
        return [
            'api-app-id' => $this->getAppId(),
            'api-req-id' => uniqid(),
            'api-time-stamp' => (string) time(),
            'api-sign' => $this->sign($data),
        ];
    }

    protected function sign($params)
    {
        // 2.以key做升序排序
        ksort($params);
        // 3.将key和value按照顺序直接拼接到一起
        $str = '';
        foreach ($params as $key => $val) {
            $str .= $key . $val;
        }
        // 4.在上一步的结果后直接拼secretKey
        $str .= $this->getAppSecret();
        // 5.对上一步结果进行sha1加密，得到16进制字符串，进行md5加密，结果转为大写
        return strtoupper(md5(sha1($str)));
    }

    /**
     * 请求
     * @param string $url
     * @param array $data
     * @param string $type
     * @param int $time
     */
    protected function request(string $url, array $data, string $method = "get", array $header = [])
    {
        if ($this->mch) {
            $header = array_merge($header, $this->createHeader($data));
        }

        $res = $this->curl($method, $url, $data, $header);
        if ($res['code'] != 200) {
            throw new MiddleException($res['error']);
        }

        if (method_exists($this, 'requestHandel')) {
            return $this->requestHandel($res['content']);
        }

        $content = Json::decode($res['content'], true);
        if ($content['code'] !== 200 || $content['success'] != true) {
            throw new MiddleException($content['message']);
        }
        return $content['data'];
    }

    protected function curl($method, $api, $params = [], $headers = [])
    {
        if (!$api) {
            return ['code' => 404, 'error' => 'api is null'];
        }
        $client = new Client([
            'timeout' => $headers['timeout'] ?? 5,
        ]);
        $method = strtoupper($method);
        $options = [];
        $headers['charset'] = $headers['charset'] ?? 'UTF-8';
        $options['headers'] = $headers;
        if ($method == 'GET' && $params) {
            $options['query'] = $params;
        }
        if ($method == 'POST') {
            $options['headers']['Content-Type'] = $headers['Content-Type'] ?? 'application/json';
            if ($options['headers']['Content-Type'] == 'application/json' && $params) {
                $options['body'] = \GuzzleHttp\json_encode($params ? $params : (object) []);
            }
            if ($options['headers']['Content-Type'] == 'application/x-www-form-urlencoded' && $params) {
                $options['form_params'] = $params;
            }
        }
        try {
            $request = $client->request($method, $api, $options);
            $code = $request->getStatusCode();
            $content = $request->getBody()->getContents();
            return compact('code', 'content');
        } catch (\Throwable $e) {
            return ['code' => 500, 'error' => $e->getMessage()];
        }
    }
}