// using ConnectionsAPI.Database.Repository;
// using ConnectionsAPI.Models;
// using FluentValidation;
// using LazyCache;
// using System.Text.RegularExpressions;

// namespace ConnectionsAPI.Features.Puzzle.Get
// {
//     public record GetPuzzleEndpointRequest(string PuzzleDate);

//     public partial class GetPuzzleEndpointRequestValidator : Validator<GetPuzzleEndpointRequest>
//     {
//         [GeneratedRegex("^\\d{4}-\\d{2}-\\d{2}$", RegexOptions.IgnoreCase)]
//         private static partial Regex PrintDateGeneratedRegex();

//         public GetPuzzleEndpointRequestValidator()
//         {
//             RuleFor(x => x.PuzzleDate)
//                 .NotEmpty().WithMessage("Puzzle date is required")
//                 .Must(x => PrintDateGeneratedRegex().IsMatch(x)).WithMessage("Puzzle date must be in the format yyyy-MM-dd");
//         }
//     }

//     public class GetPuzzleEndpoint(PuzzleRepository puzzleRepo, ILogger<GetPuzzleEndpoint> logger, IAppCache cache) : Endpoint<GetPuzzleEndpointRequest, ConnectionsPuzzleDTO>
//     {
//         private readonly PuzzleRepository _puzzleRepo = puzzleRepo;
//         private readonly ILogger<GetPuzzleEndpoint> _logger = logger;
//         private readonly IAppCache _cache = cache;

//         public override void Configure()
//         {
//             Get("/{PuzzleDate}.json",
//                 "/puzzle/{PuzzleDate}");
//             AllowAnonymous();
//             DontThrowIfValidationFails();
//         }

//         public override async Task HandleAsync(GetPuzzleEndpointRequest req, CancellationToken ct)
//         {
//             // default to 404 if validation fails
//             if (ValidationFailed)
//             {
//                 _logger.LogError("Validation error. {path} {pathBase}", HttpContext.Request.Path, HttpContext.Request.PathBase);
//                 await SendNotFoundAsync(ct);
//                 return;
//             }

//             bool hideSolutions = Query<bool>("hideSolutions", isRequired: false);

//             // query for the puzzle
//             var puzzle = await _puzzleRepo.GetPuzzleByDateAsync(req.PuzzleDate, includeSolutions: !hideSolutions);

//             // if not found, done here
//             if (puzzle == null)
//             {
//                 await SendNotFoundAsync(ct);
//                 return;
//             }

//             // get response from cache
//             var response = ConnectionsPuzzleDTO.FromEntity(puzzle);

//             // done
//             await SendAsync(response, cancellation: ct);
//         }
//     }
// }