using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using Windows.UI.Popups;

namespace API
{
    public class APIRequestService
    {
        private const string baseUrl = "http://mysite.com/api/";

        static HttpClient client;
        static string token;

        static APIRequestService()
        {
            client = new HttpClient();
            client.MaxResponseContentBufferSize = 25600000;

        //Тут нужно достать токен (*тут достаётся не по-замариновски)
            Windows.Storage.ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
            if (localSettings.Values.ContainsKey("access_token"))
            {
                token = localSettings.Values["access_token"].ToString();
            }

            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
        }

        public static async Task<T> Request<T>(string urlRequest, object parameters = null)
        {
            var url = new Uri(baseUrl + urlRequest);
            HttpResponseMessage response = null;

            if (parameters != null)
            {
                var json = JsonConvert.SerializeObject(parameters);
                var content = new StringContent(json, Encoding.UTF8, "application/json");
                if (!string.IsNullOrEmpty(token))
                {
                    content.Headers.Add("token", token);
                }

                try
                {
                    response = await client.PostAsync(url, content);
                }
                catch (Exception ex)
                {
            //Ошыбка
                }
            }
            else
            {
                try
                {
                    response = await client.GetAsync(url);
                }
                catch (Exception ex)
                {
                //Ошыбка
                }
            }
            if (response?.IsSuccessStatusCode)
            {
                    if (response.Content != null)
                    {
                        var stringResponse = await response.Content.ReadAsStringAsync();
                        var jsonResponse = JToken.Parse(jS);
                        try
                        {
                           T objResponse = jsonResponse.ToObject<T>();
                            return objResponse;
                        }
                        catch(Exception ex)
                        {
                            //Ошыбка
                        }
                    }
            }
            else
            {
                //Ошыбка
            }

            return default(T);
        }
    }
}