using MediatR;
using Microsoft.EntityFrameworkCore;
using MinAttest.Application.Abstractions;
using MinAttest.Contracts.ShareLinks;

namespace MinAttest.Application.Features.ShareLinks.Queries;

public record ListShareLinksQuery(Guid AttestId) : IRequest<IReadOnlyList<ShareLinkResponse>>;

public class ListShareLinksQueryHandler(IAppDbContext db) : IRequestHandler<ListShareLinksQuery, IReadOnlyList<ShareLinkResponse>>
{
    public async Task<IReadOnlyList<ShareLinkResponse>> Handle(ListShareLinksQuery request, CancellationToken cancellationToken)
    {
        return await db.ShareLinks.AsNoTracking()
            .Where(l => l.AttestId == request.AttestId && l.RevokedAt == null)
            .OrderBy(l => l.ExpiresAt)
            .Select(l => new ShareLinkResponse(l.Id, l.Code, new Uri($"https://app.example/verify/{l.Code}"), l.ExpiresAt, l.OneTime))
            .ToListAsync(cancellationToken);
    }
}