using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace CPMeta
{
    public class RestAPI
    {
        public static async Task<RESPONSE> PostAsync<REQUEST,RESPONSE>(string Url, REQUEST body) where REQUEST : class where RESPONSE : class
        {
            try
            {
                ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

                if (body != null)
                {
                    var jsonBody = JsonConvert.SerializeObject(body);
                    var contents = new StringContent(jsonBody, Encoding.UTF8, "application/json");

                    HttpClient client = new HttpClient();
                    client.Timeout = TimeSpan.FromMilliseconds(3000);

                    var response = await client.PostAsync(Url, contents);

                    var resContentStr = await response.Content.ReadAsStringAsync();
                    return JsonConvert.DeserializeObject<RESPONSE>(resContentStr);
                }
            }           
            catch (Exception e)
            {
                Console.WriteLine("PostAsync Error");
            }

            return default(RESPONSE);
        }

        public static async Task<RESPONSE> GetAsync<RESPONSE>(string Url)
        {
            try
            {
                ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
               
                HttpClient client = new HttpClient();
                client.Timeout = TimeSpan.FromMilliseconds(3000);

                var response = await client.GetAsync(Url);

                var resContentStr = await response.Content.ReadAsStringAsync();
                return JsonConvert.DeserializeObject<RESPONSE>(resContentStr);
                
            }
            catch(Exception e)
            {
                Console.WriteLine("GetAsync Error");
            }

            return default(RESPONSE);
        }

    }
}