using Fake.EventBus.Distributed;
using Fake.UnitOfWork;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;

namespace Oms.Application.Messaging;

/// <summary>
/// 通过 Fake 分布式事件总线（Outbox）发布订单批量任务。
/// </summary>
public sealed class OrderBatchJobPublisher(
    IDistributedEventBus eventBus,
    IUnitOfWorkManager unitOfWorkManager,
    IOptions<OrderBatchRabbitMqOptions> options,
    ILogger<OrderBatchJobPublisher> logger) : IOrderBatchJobPublisher
{
    public bool IsEnabled => options.Value.Enabled;

    public async Task PublishAsync(OrderBatchJobMessage message, CancellationToken cancellationToken = default)
    {
        if (!options.Value.Enabled)
        {
            throw new InvalidOperationException("Order batch RabbitMQ is disabled.");
        }

        var @event = OrderBatchJobIntegrationEvent.FromMessage(message);
        await OmsIntegrationEventPublisher.PublishAsync(
            eventBus, unitOfWorkManager, logger, @event, cancellationToken);

        logger.LogDebug(
            "Outbox enqueued order batch event {EventId} messageId={MessageId} action={Action}",
            @event.Id,
            message.MessageId,
            message.Action);
    }
}