using LiteCharms.Infrastructure.ServiceBus.Queues;

namespace LiteCharms.Infrastructure.ServiceBus.Exchanges;

public class EmailExchange(EmailQueue messages, ILogger<EmailExchange> logger, IPublisher mediator) : BackgroundService
{
    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        while (!stoppingToken.IsCancellationRequested)
        {
            while (messages.Incoming.TryRead(out var message))
            {
                try
                {
                    switch (message.Name)
                    {
                        case "SendShopEmailEnquiryEvent": 
                            await mediator.Publish(message, stoppingToken); 
                            break;
                        case "ProcessEmailNotificationsEvent":
                            await mediator.Publish(message, stoppingToken);
                            break;
                        default:
                            logger.LogWarning("Unsupported email event {Event}", message.Name);
                            break;
                    }
                }
                catch (Exception ex)
                {
                    logger.LogError(ex, ex.Message);
                }
            }

            await Task.Delay(1000, stoppingToken);
        }
    }
}