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

namespace Hutopy.Modules.Creators.Features;

[PublicAPI]
public record ChangeEmailRequest(
    Guid CreatorId,
    string? Email);

[PublicAPI]
public sealed class ChangeEmailRequestValidator : Validator<ChangeEmailRequest>
{
    public ChangeEmailRequestValidator()
    {
        RuleFor(x => x.CreatorId)
            .NotEmpty()
            .WithMessage("Creator ID is required");

        RuleFor(x => x.Email)
            .Must(email => email == null || !string.IsNullOrWhiteSpace(email))
            .WithMessage("Email cannot be empty if provided");
    }
}

[PublicAPI]
public class ChangeEmailHandler(
    CreatorsDbContext context)
    : Endpoint<ChangeEmailRequest>
{
    public override void Configure()
    {
        Post("/api/creators/{CreatorId}/email");
        Options(o => o.WithTags("Creators"));
    }

    public override async Task HandleAsync(
        ChangeEmailRequest request,
        CancellationToken ct)
    {
        Creator? creator = await context
            .Creators
            .Include(c => c.Presentation)
            .SingleOrDefaultAsync(
                c => c.Id == request.CreatorId,
                ct);

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

        // Check if the current user is the creator
        if (creator.CreatedBy != User.GetUserId())
        {
            await SendUnauthorizedAsync(ct);
            return;
        }

        creator.Presentation.Email = request.Email?.Trim();

        await context.SaveChangesAsync(ct);

        await SendOkAsync(ct);
    }
}