using EvtSource;
using MyCore.Models.Arlo;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using ServiceStack;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

namespace MyCore.Services
{
    public class ArloService
    {
        // API HTTP
        private const string _arloUrl = "https://arlo.netgear.com/hmsweb";

        private string _loginUrl = $"{_arloUrl}/login/v2";
        private string _userProfileUrl = $"{_arloUrl}/users/profile";
        private string _userSessionUrl = $"{_arloUrl}/users/session";
        private string _userFriendsUrl = $"{_arloUrl}/users/friends";
        private string _userLocationUrl = $"{_arloUrl}/users/locations";
        private string _userServiceLevelUrl = $"{_arloUrl}/users/serviceLevel/v2";
        private string _userDevicesUrl = $"{_arloUrl}/users/devices";
        private string _userLibraryUrl = $"{_arloUrl}/users/library";
        private string _userLibraryMetadataUrl = $"{_arloUrl}/users/library/metadata/v2";
        private string _userPaymentOffersUrl = $"{_arloUrl}/users/payment/offers";

        private string _userDevicesNotifyUrl = $"{_arloUrl}/users/devices/notify";
        private string _clientSubscribeUrl = $"{_arloUrl}/client/subscribe";


        private static string _email = "fransolet.thomas@gmail.com";
        private static string _password = "Coconuts09";

        private static LoginResult resultToken;

        private List<ArloDevice> allArloDevices;
        private List<UserMedia> allUserMedias;

        public class Credential
        {
            public string email;
            public string password;
        }

        public class DateInterval
        {
            public string dateFrom;
            public string dateTo;
        }

        public class LoginResult
        {
            public string userId;
            public string email;
            public string token;
            public string paymentId;
            public int authenticated;
            public string accountStatus;
            public string serialNumber;
            public string countryCode;
            public bool tocUpdate;
            public bool policyUpdate;
            public bool validEmail;
            public bool arlo;
            public long dateCreated;
        }

        public enum RequestType
        {
            Get,
            Post
        }

        public enum Request
        {
            LOGIN,
            DEVICES,
            LIBRARY
        }

        public ArloService()
        {

            try
            {
                // LOGIN 
                var loginTask = Task.Run(() => RequestURI(new Uri(_loginUrl), RequestType.Post, Request.LOGIN));
                loginTask.Wait();

                if (loginTask.Result != "")
                {
                    //RESULT TOKEN
                    var data = ((JObject)JsonConvert.DeserializeObject(loginTask.Result))["data"];
                    resultToken = JsonConvert.DeserializeObject<LoginResult>(data.ToString());

                    // GET DEVICE LIST
                    var deviceTask = Task.Run(() => RequestURI(new Uri(_userDevicesUrl), RequestType.Get, Request.DEVICES));
                    deviceTask.Wait();

                    if (deviceTask.Result != "")
                    {
                        data = ((JObject)JsonConvert.DeserializeObject(deviceTask.Result))["data"];
                        // RETRIEVE ALL ARLO DEVICES
                        allArloDevices = JsonConvert.DeserializeObject<List<ArloDevice>>(data.ToString());
                    }

                    // GET USER LIBRARY
                    var libraryTask = Task.Run(() => RequestURI(new Uri(_userLibraryUrl), RequestType.Post, Request.LIBRARY));
                    libraryTask.Wait();

                    if (libraryTask.Result != "")
                    {
                        data = ((JObject)JsonConvert.DeserializeObject(libraryTask.Result))["data"];
                        // RETRIEVE ALL DATA IN USER LIBRARY
                        allUserMedias = JsonConvert.DeserializeObject<List<UserMedia>>(data.ToString());
                    }

                    //SSE CONNEXION
                    ConnexionToSSE();
                }
            }
            catch (Exception e)
            {
                resultToken = null;
            }
        }

        static async Task<string> RequestURI(Uri u, RequestType requesType, Request request)
        {
            try
            {
                var response = string.Empty;
                var body = "";
                HttpContent c = null;
                using (var client = new HttpClient())
                {
                    switch (request)
                    {
                        case Request.LOGIN:
                            body = JsonConvert.SerializeObject(new Credential { email = _email, password = _password }).ToString();
                            c = new StringContent(body, Encoding.UTF8, "application/json");
                            break;
                        case Request.LIBRARY:
                            DateTime last7Days = new DateTime(DateTime.Now.Year, 1, 1).AddDays(DateTime.Now.DayOfYear - 7 - 1);
                            body = JsonConvert.SerializeObject(new DateInterval { dateFrom = last7Days.ToString("yyyyMMdd"), dateTo = DateTime.Now.ToString("yyyyMMdd")}).ToString();
                            c = new StringContent(body, Encoding.UTF8, "application/json");
                            break;
                        case Request.DEVICES:
                        default:
                            break;
                    }

                    client.DefaultRequestHeaders.Add("User-Agent", "okhttp/3.6.0");

                    if (resultToken != null)
                        client.DefaultRequestHeaders.Add("Authorization", resultToken.token);

                    if (requesType == RequestType.Get)
                    {
                        HttpResponseMessage result = await client.GetAsync(u);
                        response = await result.Content.ReadAsStringAsync();
                    }

                    if (requesType == RequestType.Post)
                    {
    
                        HttpResponseMessage result = await client.PostAsync(u, c);
                        if (result.IsSuccessStatusCode)
                            response = await result.Content.ReadAsStringAsync();
                    }
                }
                return response;
            }
            catch (Exception e)
            {
                Console.WriteLine("ArloService - An error occured in RequestURI");
                return null;
            }
        }

        public void ConnexionToSSE()
        {
            /*var sseClient = new ServerEventsClient($"{_clientSubscribeUrl}?token={resultToken.token}", new string[] { "EventStream" })
            {
                OnConnect = e => {
                    Console.WriteLine($"{e.IsAuthenticated}, {e.UserId}, {e.DisplayName}");
                }
            }.Start();*/

            var evt = new EventSourceReader(new Uri($"{_clientSubscribeUrl}?token={resultToken.token}")).Start();
            evt.MessageReceived += 
                (object sender, EventSourceMessageEventArgs e) 
                => 
                Console.WriteLine($"{e.Event} : {e.Message}");
            evt.Disconnected += async (object sender, DisconnectEventArgs e) => {
                Console.WriteLine($"Retry: {e.ReconnectDelay} - Error: {e.Exception}");
                await Task.Delay(e.ReconnectDelay);
                evt.Start(); // Reconnect to the same URL
            };
        }

    }
}