using System;
using Qiniu.Util;
using Qiniu.Http;
using System.Text;
using System.Security.Cryptography;




namespace QvsDemo.Business.Admin
{
    public class QvsBiz

    {
        public static void Main()
        {

            string ak = "xxxxxxxx";   // 替换成实际的ak
            string sk = "xxxxxxxxx"; // 替换成实际的sk
            Mac mac = new Mac(ak, sk);
            string body = "{\"data\":{ \"name\":\"test\"},\"params\":{ \"groups\":[\"ylxue_face_group_id2020\"]}}"; // 根据实际的API, 替换成实际的http body
            HttpManager http = new HttpManager();    
            string url = "http://qvs.qiniuapi.com/v1/namespaces/xxxxxxx/streams";  // 替换成实际的url,此处以[API创建流](https://developer.qiniu.com/qvs/6734/create-flow)为例
            Uri uri = new Uri(url);
            string contentType = "application/json"; 
            // 如果http body为空时(例如Get请求), contentType设为application/x-www-form-urlencoded或者为空
           //  如果http body为空时(例如Get请求), contentType设为application/x-www-form-urlencoded或者为空
           //  如果http body为空时(例如Get请求), contentType设为application/x-www-form-urlencoded或者为空
 
            string token = qiniutoken(mac, uri, body, contentType, "POST"); // 最后一个参数，根据实际请求替换
            HttpResult ret = http.PostJson(url, body, token);
            Console.WriteLine(ret.Text);

        }
        public static string qiniutoken(Mac mac, Uri url, String body, String contentType, String method)
        {

            // input path and host and rawquery
            string path = url.AbsolutePath;
            string host = url.Host;
            string rawquery = url.Query;
            var data = new System.Text.StringBuilder();
            data.AppendFormat("{0} {1}", method, path);
            if (rawquery != String.Empty)
                data.AppendFormat("{0}", rawquery);
            data.AppendFormat("\nHost: {0}", host);
            if (contentType != String.Empty)
                data.AppendFormat("\nContent-Type: {0}", contentType);
            data.Append("\n\n");

            if (contentType != String.Empty && contentType != "application/octet-stream")
                data.Append(body);
            String sdata = data.ToString();
            Console.WriteLine(sdata);
            HMACSHA1 hmac = new HMACSHA1(Encoding.UTF8.GetBytes(mac.SecretKey));
            byte[] digest = hmac.ComputeHash(Encoding.UTF8.GetBytes(sdata));
            string qiniuToken = String.Format("Qiniu {0}:{1}", mac.AccessKey, Base64.UrlSafeBase64Encode(digest));
            //string qiniuToken = String.Format("Qiniu {0}:{1}", mac.AccessKey, System.Convert.ToBase64String(digest).Replace("/", "+").Replace("+", "-"));
            Console.WriteLine(qiniuToken);
            return qiniuToken;
        }

    }
}