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

namespace Hutopy.Modules.Creators.Features;

[PublicAPI]
public record RemoveCreatorRequest(
    string CreatorSlug);

[UsedImplicitly]
public sealed class RemoveCreatorRequestValidator : Validator<RemoveCreatorRequest>
{
    public RemoveCreatorRequestValidator()
    {
        RuleFor(r => r.CreatorSlug)
            .NotNull()
            .NotEmpty()
            .WithMessage("You should specify a valid CreatorSlug");
    }
}

[PublicAPI]
public sealed class RemoveCreatorHandler(
    CreatorsDbContext context)
    : Endpoint<RemoveCreatorRequest>
{
    public override void Configure()
    {
        Delete("/api/creators/@{CreatorSlug}");
        Options(o => o.WithTags("Creators"));
    }

    public override async Task HandleAsync(
        RemoveCreatorRequest req,
        CancellationToken ct)
    {
        var creatorSlug = req.CreatorSlug.ToLower();

        var creator = await context
            .Creators
            .Where(c => EF.Functions.ILike(c.Slug, creatorSlug))
            .SingleOrDefaultAsync(cancellationToken: ct);

        if (creator is null)
        {
            await SendNotFoundAsync(ct);
            return;
        }

        if (creator.CreatedBy != User.GetUserId())
        {
            await SendUnauthorizedAsync(ct);
            return;
        }

        creator.DeletedAt = DateTimeOffset.UtcNow;
        creator.DeletedBy = User.GetUserId();

        await context.SaveChangesAsync(ct);

        await SendOkAsync(ct);
    }
}