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.Defect;

/// <summary>
/// GET /TCMS/Defect/GetCAPAGapReport
/// Returns the cross-module CAPA gap report:
/// for each (defect root-cause pattern × module) combination, shows whether
/// at least one test case covers that pattern in that module.
/// Gaps (HasCoverage=false) indicate modules that need a regression test for the given pattern.
/// </summary>
public class GetCAPAGapReport : BaseEndpoint<GetCAPAGapReport.Params, ResponseStandardDTO<object>>
{
    private readonly ITCMSDefectBLL _Bll;
    public GetCAPAGapReport(ITCMSDefectBLL bll) => _Bll = bll;

    public override void Configure()
    {
        Get("/TCMS/Defect/GetCAPAGapReport");
        AllowAnonymous();
    }

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

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

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