using System.Text.Json;
using Femto.Common.Integration;
using Femto.Modules.Media.Data;
using Microsoft.EntityFrameworkCore;

namespace Femto.Modules.Media.Infrastructure.Integration;

internal class Outbox(MediaContext context)
{
    public async Task AddMessage<TMessage>(Guid aggregateId, TMessage message, CancellationToken cancellationToken)
        where TMessage : IIntegrationEvent
    {
        await context.Outbox.AddAsync(
            new(
                message.EventId,
                aggregateId,
                typeof(TMessage).Name,
                JsonSerializer.Serialize(message)
            ),
            cancellationToken
        );
    }

    public async Task<IEnumerable<OutboxEntry>> GetPendingMessages(CancellationToken cancellationToken)
    {
        var now = DateTime.UtcNow;

        return await context
            .Outbox.Where(message => message.Status == OutboxEntryStatus.Pending)
            .Where(message => message.NextRetryAt == null || message.NextRetryAt <= now)
            .OrderBy(message => message.CreatedAt)
            .ToListAsync(cancellationToken);
    }
}