using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using WiBLL.WiExecution;
using static GB5Shared.GB5Constant.Constant;

namespace WiSL.EndPoints.WiExecution
{
    public class GetEligibility : BaseEndpoint<GetEligibility.Parameters, ResponseStandardDTO<object>>
    {
        private readonly IWiExecutionBLL _bll;

        public GetEligibility(IWiExecutionBLL bll)
        {
            _bll = bll;
        }

        public override void Configure()
        {
            Get("/Execution/GetEligibility");
            AllowAnonymous();
        }

        public record Parameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int WiId,
            [property: QueryParam] int EmployeeId
        );

        // Employee skill levels change whenever an assessment runs — a display-before-commit
        // eligibility check must always read live, never from cache.
        protected override string? GetCacheKey(Parameters req, LoginDTO login) => null;

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            Parameters req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var result = await _bll.EvaluateEligibility(req.WiId, req.EmployeeId, login, ct);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.NOT_REQUIRED, login);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.NOT_REQUIRED, login, ex.Message, 500);
            }
        }
    }
}