<?php
/**
 * @copyright ©2018 浙江禾匠信息科技
 * @author Lu Wei
 * @link http://www.zjhejiang.com/
 * Created by IntelliJ IDEA
 * Date Time: 2018/10/15 19:27
 */


namespace app\hejiang\cloud;


use app\models\Admin;
use app\models\Store;
use Curl\Curl;

class HttpClient
{
    public static $urlEncodeQueryString = true;
    public static $curlTimeout = 30;

    public static function get($url, $params = [])
    {
        $url = self::getUrl($url);
        $curl = self::getCulr();
        $curl->get($url, $params);
        if ($curl->error) {
            if ($curl->response) {
                return $curl->response;
            } else {
                throw new CloudException($curl->http_error_message, $curl->http_status_code);
            }
        }
        return $curl->response;
    }

    public static function post($url, $data = [], $params = [])
    {
        $url = self::getUrl($url);
        $url = self::appendParams($url, $params);
        $curl = self::getCulr();
        $curl->post($url, $data);
        if ($curl->error) {
            if ($curl->response) {
                return $curl->response;
            } else {
                throw new CloudException($curl->error_message, $curl->error_code);
            }
        }
        return $curl->response;
    }

    private static function getUrl($url)
    {
        if (mb_stripos($url, 'http') === 0) {
            return $url;
        }
        $url = mb_stripos($url, '/') === 0 ? mb_substr($url, 1) : $url;
        $baseUrl = Config::BASE_URL;
        $baseUrl = mb_stripos($baseUrl, '/') === (mb_strlen($baseUrl) - 1) ? $baseUrl : $baseUrl . '/';
        return $baseUrl . $url;
    }

    private static function appendParams($url, $params = [])
    {
        if (!is_array($params)) {
            return $url;
        }
        if (!count($params)) {
            return $url;
        }
        $url = trim($url, '?');
        $url = trim($url, '&');
        $queryString = static::paramsToQueryString($params);
        if (mb_stripos($url, '?')) {
            return $url . '&' . $queryString;
        } else {
            return $url . '?' . $queryString;
        }
    }

    private static function paramsToQueryString($params = [])
    {
        if (!is_array($params)) {
            return '';
        }
        if (!count($params)) {
            return '';
        }
        $str = '';
        foreach ($params as $k => $v) {
            if (static::$urlEncodeQueryString) {
                $v = urlencode($v);
            }
            $str .= "{$k}={$v}&";
        }
        return trim($str, '&');
    }

    private static function getCulr()
    {
        $curl = new Curl();
        $curl->setOpt(CURLOPT_SSL_VERIFYHOST, false);
        $curl->setOpt(CURLOPT_SSL_VERIFYPEER, false);
        $curl->setOpt(CURLOPT_TIMEOUT, static::$curlTimeout);
        $curl->setHeader('DOMAIN', static::getDomain());
        $curl->setHeader('REQUEST-INFO', static::getRequestInfo());
        $curl->setHeader('X-HOST-DATA', static::getHostData());
        return $curl;
    }

    private static function getDomain()
    {
        $localAuthInfo = Cloud::getLocalAuthInfo();
        if ($localAuthInfo && !empty($localAuthInfo['domain'])) {
            return $localAuthInfo['domain'];
        } else {
            return \Yii::$app->request->getHostName();
        }
    }

    private static function getHostData()
    {
        $data = [];
        try {
            $installed_plugins = [];
            $plugins = CloudPlugin::getInstallPluginList();
            foreach ($plugins as $plugin) {
                $installed_plugins[] = $plugin['name'];
            }
            $data['installed_plugins'] = $installed_plugins;
        } catch (\Exception $e) {
        }
        $sub_account_num = (Admin::find()->where(['is_delete' => 0])->count()) - 1;
        $data['sub_account_num'] = $sub_account_num;
        $app_num = Store::find()->count();
        $data['app_num'] = $app_num;
        return base64_encode(json_encode($data, JSON_UNESCAPED_UNICODE));
    }

    /**
     * return base64_encode(json_encode( ['domain', 'url', 'path', 'version'] ))
     * @return string
     */
    private static function getRequestInfo()
    {
        try {
            $version = hj_core_version();
        } catch (\Exception $e) {
            $version = '0.0.0';
        }
        return base64_encode(json_encode([
            'domain' => \Yii::$app->request->hostName,
            'url' => \Yii::$app->request->absoluteUrl,
            'path' => \Yii::$app->basePath,
            'version' => $version,
        ], JSON_UNESCAPED_UNICODE));
    }
}