using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using TCMSBLL.Interfaces;
using static GB5Shared.GB5Constant.Constant;

namespace TCMSSL.EndPoints.Traceability;

/// <summary>
/// GET /TCMS/Traceability/GetByScreen?route=tcms/testenv
/// Returns test case coverage (with Gherkin steps) for a given FE screen route.
/// Merges explicit MTCMSSCREENLINK rows with @FE:{route} tag-convention rows.
/// Used by the embedded coverage widget in FE screens.
/// </summary>
public class GetByScreen : BaseEndpoint<GetByScreen.Params, ResponseStandardDTO<object>>
{
    private readonly ITCMSTraceabilityBLL _Bll;
    public GetByScreen(ITCMSTraceabilityBLL bll) => _Bll = bll;

    public override void Configure()
    {
        Get("/TCMS/Traceability/GetByScreen");
        AllowAnonymous();
    }

    public record Params(
        [property: FromHeader] string Login,
        [property: QueryParam]  string Route
    );

    protected override string? GetCacheKey(Params req, LoginDTO loginDTO)
        => KeyGenerator.KeyGeneration(req.Route, EntityConstant.OBJECTTCMSTRACEABILITY, CacheKeyLevel.CLIENT_LEVEL, loginDTO);

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        Params req, LoginDTO loginDTO, CancellationToken ct)
    {
        var result = await _Bll.GetByScreenAsync(req.Route, loginDTO, ct);
        return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
            result, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
    }
}