using Hutopy.Infrastructure.Security;
using Hutopy.Modules.Messaging.Data;

namespace Hutopy.Modules.Messaging.Handlers;

[PublicAPI]
public sealed class AddMessageRequest
{
    public Guid? Id { get; set; }
    public required Guid SubjectId { get; set; }
    public required string Message { get; set; }
}

internal sealed class AddMessageRequestValidator
    : Validator<AddMessageRequest>
{
    public AddMessageRequestValidator()
    {
        RuleFor(r => r.SubjectId)
            .NotNull().WithMessage("You must specify a SubjectId")
            .NotEmpty().WithMessage("You must specify a non-empty SubjectId");

        RuleFor(r => r.Message)
            .NotNull().WithMessage("You must specify a Message")
            .NotEmpty().WithMessage("You must specify a non-empty Message");
    }
}

public class AddMessage(
    MessagingDbContext context)
    : Endpoint<AddMessageRequest>
{
    public override void Configure()
    {
        Post("/api/messages");
        Options(o => o.WithTags("Messages"));
    }

    public override async Task HandleAsync(
        AddMessageRequest req,
        CancellationToken ct)
    {
        Message message = new()
        {
            Id = req.Id ?? Guid.CreateVersion7(),
            SubjectId = req.SubjectId,
            CreatedBy = User.GetUserId(),
            Value = req.Message
        };

        await context.Messages.AddAsync(message, ct);

        await context.SaveChangesAsync(ct);
    }
}