using System;
using System.Net;
using System.Text;
using System.IO;

namespace NaverAPI_Guide
{
    public class APIExamURL
    {
        static void Main(string[] args)
        {
            string url = "https://openapi.naver.com/v1/util/shorturl";
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Headers.Add("X-Naver-Client-Id", "YOUR_CLIENT_ID"); // 개발자센터에서 발급받은 Client ID
            request.Headers.Add("X-Naver-Client-Secret", "YOUR_CLIENT_SECRET"); // 개발자센터에서 발급받은 Client Secret
            request.Method = "POST";
            //string query = "https://developers.naver.com/notice"; // 단축할 URL 대상
            string query = System.Web.HttpUtility.UrlEncode("https://developers.naver.com/notice", Encoding.UTF8) // 수정 내용
            byte[] byteDataParams = Encoding.UTF8.GetBytes("url=" + query);
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = byteDataParams.Length;
            Stream st = request.GetRequestStream();
            st.Write(byteDataParams, 0, byteDataParams.Length);
            st.Close();
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream stream = response.GetResponseStream();
            StreamReader reader = new StreamReader(stream, Encoding.UTF8);
            string text = reader.ReadToEnd();
            stream.Close();
            response.Close();
            reader.Close();
            Console.WriteLine(text);
        }
    }
}