using Microsoft.AspNetCore.SignalR.Client;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Wrapper_Api_SequentMicrosystems.SignalR
{
    public class Sync
    {

        private string BaseAddress { get; set; }
        HubConnection connection { get; set; }

        public delegate Task AsyncEventHandler<TEventArgs>(object? sender, TEventArgs? e);
        public delegate Task AsyncEventHandler<TEventArgs1, TEventArgs>(object? sender, TEventArgs1 clientID, TEventArgs? e);
        public event AsyncEventHandler<bool>? EventClientIDRequest;
        public event AsyncEventHandler<string>? EventClientsIDResponse;
        public event AsyncEventHandler<string>? EventClientSyncRequest;
        public event AsyncEventHandler<string, string>? EventClientPointsSync;
        public event AsyncEventHandler<string, string>? EventClientRTD8TMChartSync;


        public Sync(string BaseAddress)
        {
            this.BaseAddress = BaseAddress;

            List<TimeSpan> recconcents = new List<TimeSpan>();
            for (int i = 1; i < 50; i++)
            {
                recconcents.Add(TimeSpan.FromSeconds(i));
            }

            Console.WriteLine($"SignalR Connection address: {this.BaseAddress}signalr");

            connection = new HubConnectionBuilder().WithUrl($"{this.BaseAddress}signalr").WithAutomaticReconnect(recconcents.ToArray()).Build();

            connection.On("ClientsRequest", () => ClientRequest());
            connection.On("ClientsResponse", (string x) => ClientIDResponce(x));
            connection.On("SyncRequested", (string x) => ClientSyncRequest(x));
            connection.On("SyncPointsData", (string x,string d) => ClientSyncPoints(x, d));
            connection.On("SyncRTD8TMChartData", (string x, string d) => ClientSyncRTD8TMChart(x, d));

            Connect();
        }


        public async void Connect()
        {
            await connection.StartAsync();
        }

        //Retrieve events generator

        /// <summary>
        /// Request for clients IDs
        /// </summary>
        private async void ClientRequest()
        {
            if (EventClientIDRequest != null)
            {
                Console.WriteLine($"Sync:ClientRequest Raised");
                await EventClientIDRequest.Invoke(this, true);
            }
        }

        /// <summary>
        /// Responses on ClientsRequest
        /// </summary>
        /// <param name="clientID"></param>
        private async void ClientIDResponce(string clientID)
        {
            if (EventClientsIDResponse != null)
            {
                Console.WriteLine($"Sync:ClientIDResponse Raised ID:{clientID}");
                await EventClientsIDResponse.Invoke(this, clientID);
            }
        }

        /// <summary>
        /// Request for client Sync
        /// </summary>
        /// <param name="clientID"></param>
        private async void ClientSyncRequest(string clientID)
        {
            if (EventClientSyncRequest != null)
            {
                Console.WriteLine($"Sync:ClientSyncRequest Raised ClientID: {clientID}");
                await EventClientSyncRequest.Invoke(this, clientID);
            }
        }

        /// <summary>
        /// Sync point Data
        /// </summary>
        /// <param name="clientID"></param>
        /// <param name="data"></param>
        private async void ClientSyncPoints(string clientID, string data)
        {
            if (EventClientPointsSync != null)
            {
                Console.WriteLine($"Sync:ClientSyncPoints Raised ClientID: {clientID} - {data}");
                await EventClientPointsSync.Invoke(this, clientID, data);
            }
        }

        /// <summary>
        /// Sync RTD8TM chart data
        /// </summary>
        /// <param name="clientID"></param>
        /// <param name="data"></param>
        private async void ClientSyncRTD8TMChart(string clientID, string data)
        {
            if (EventClientRTD8TMChartSync != null)
            {
                Console.WriteLine($"Sync:ClientRTD8TMChart Raised ClientID: {clientID} - {data}");
                await EventClientRTD8TMChartSync.Invoke(this, clientID, data);
            }
        }


        //Sending methods

        /// <summary>
        /// Send request for clients IDs
        /// </summary>
        public async Task SendClientsRequest()
        {
            Console.WriteLine($"Sync:SendClientsRequest");
            await connection.SendAsync("SyncClients");
        }
        
        /// <summary>
        /// Send Response for Clients ID requests
        /// </summary>
        /// <param name="clientid">client ID of this instance</param>
        public async Task SendClientsResponse(string clientid)
        {
            Console.WriteLine($"Sync:SendClientsResponse Sending ClientID: {clientid}");
            await connection.SendAsync("SyncClientResponse", clientid);
        }

        /// <summary>
        /// Send Request for sync
        /// </summary>
        /// <param name="clientid">Client ID of remote client</param>
        public async Task SendClientSyncRequest(string clientid)
        {
            Console.WriteLine($"Sync:SendClientSyncRequest Sending to ClientID: {clientid}");
            await connection.SendAsync("SyncRequest", clientid);
        }

        /// <summary>
        /// Send sync Points Data by ClientSync request
        /// </summary>
        /// <param name="clientid">client id of this instance</param>
        /// <param name="data">Points Data</param>
        public async Task SendClientsPoints(string clientid, string data)
        {
            Console.WriteLine($"Sync:SendClientsPoints Sending to ClientID: {clientid} - {data}");
            await connection.SendAsync("SyncPoints", clientid, data);
        }

        /// <summary>
        /// Send sync RTD8TMChart data by clientSync Request
        /// </summary>
        /// <param name="clientid">client id of this instance</param>
        /// <param name="data">RTD8TM data for sync</param>
        public async Task SendClientsRTD8TMChart(string clientid, string data)
        {
            Console.WriteLine($"Sync:SendClientsRTD8TMChart Sending to ClientID: {clientid} - {data}");
            await connection.SendAsync("SyncRTD8TMChart", clientid, data);
        }























    }
}