using Hutopy.Infrastructure.Security;
using Hutopy.Modules.Identity.Contracts;
using Hutopy.Modules.Tipping.Data;
using Hutopy.Modules.Tipping.Models;

namespace Hutopy.Modules.Tipping.Handlers;

[PublicAPI]
public record struct GetReceivedTipsResponse(
    IEnumerable<TipReceivedModel> Tips);

[PublicAPI]
public class GetReceivedTipsHandler(
    IUserLookup userLookup,
    TippingDbContext dbContext)
    : EndpointWithoutRequest<GetReceivedTipsResponse>
{
    public override void Configure()
    {
        Get("/api/tips");
        Options(o => o.WithTags("Tips"));
    }

    public override async Task HandleAsync(
        CancellationToken ct)
    {
        List<Tip> tips = await dbContext
            .Tips
            .Where(tip => tip.CreatorId == User.GetUserId())
            .ToListAsync(ct);

        TipReceivedModel[] result = await Task.WhenAll(
            tips.Select(async tip =>
            {
                UserReference? tipper = await userLookup.GetUserAsync(tip.CreatorId, ct);

                return new TipReceivedModel(
                    tip.Id,
                    tip.CreatedAt,
                    tip.CreatedBy,
                    tipper?.Fullname ?? "Unknown User",
                    tip.Amount,
                    tip.Currency,
                    tip.Message);
            }));

        await SendOkAsync(new GetReceivedTipsResponse(result), ct);
    }
}