using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using PIEBLL.QC;
using static GB5Shared.GB5Constant.Constant;

namespace PIESL.EndPoints.QC;

/// <summary>
/// GET /PIE/QC/GetPIEBehaviorMatrix?moduleId={guid}
///
/// Returns the full behavior matrix for a PIE module:
/// - Header: ModuleId, ModuleName, TotalBehaviors, TotalConfigItems
/// - Rows: one per active variant with ImplicationCount, TotalEffortDelta, HasRiskNotes
///
/// Used by:
///   • Angular pieqcmatrix/ component (existing — just needs this endpoint)
///   • TCMS coverage analysis (variant coverage gap detection)
///
/// Cache: CLIENT_LEVEL — shared across users of same tenant.
///        Invalidated when MPIEVARIANT or MPIEVARIANTIMPLICATION changes (via SavePIEVariant).
/// </summary>
public class GetPIEBehaviorMatrix : BaseEndpoint<GetPIEBehaviorMatrix.Params, ResponseStandardDTO<object>>
{
    private readonly IPIEQcBLL _PIEQcBLL;

    public GetPIEBehaviorMatrix(IPIEQcBLL pieQcBLL)
    {
        _PIEQcBLL = pieQcBLL;
    }

    public override void Configure()
    {
        Get("/PIE/QC/GetPIEBehaviorMatrix");
        AllowAnonymous();
    }

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

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

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