using System;
using System.Threading.Tasks;
using FinlyticCore.Models.Auth;
using Microsoft.AspNetCore.SignalR;
using Microsoft.Extensions.Logging;

namespace FinlyticBackend.Hubs;

/// <summary>
/// Real-time SignalR WebSocket & Server-Sent Events (SSE) Hub streaming live trade proposals & updates to Web and Mobile clients.
/// </summary>
public class TradeRealtimeHub : Hub<ITradeClient>
{
    private readonly ILogger<TradeRealtimeHub> _logger;

    public TradeRealtimeHub(ILogger<TradeRealtimeHub> logger)
    {
        _logger = logger;
    }

    public override async Task OnConnectedAsync()
    {
        _logger.LogInformation("Real-time SignalR Client connected: ConnectionId={ConnectionId}, User={User}",
            Context.ConnectionId, Context.User?.Identity?.Name ?? "Anonymous");
        await base.OnConnectedAsync();
    }

    public override async Task OnDisconnectedAsync(Exception? exception)
    {
        _logger.LogInformation("Real-time SignalR Client disconnected: ConnectionId={ConnectionId}", Context.ConnectionId);
        await base.OnDisconnectedAsync(exception);
    }
}