using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.SignalR;
using Microsoft.Extensions.Logging;

namespace FinlyticBackend.Hubs;

/// <summary>
/// SignalR Hub broadcasting real-time system diagnostics & microservice health updates to connected clients.
/// </summary>
public class SystemHealthHub : Hub
{
    private readonly ILogger<SystemHealthHub> _logger;

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

    public override async Task OnConnectedAsync()
    {
        _logger.LogInformation("[SystemHealthHub] Client connected: ConnectionId={ConnectionId}", Context.ConnectionId);
        await base.OnConnectedAsync();
    }

    public override async Task OnDisconnectedAsync(Exception? exception)
    {
        _logger.LogInformation("[SystemHealthHub] Client disconnected: ConnectionId={ConnectionId}", Context.ConnectionId);
        await base.OnDisconnectedAsync(exception);
    }
}