using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using Microsoft.AspNetCore.Mvc;
using RecruitmentBLL.Candidate;
using System.Threading;
using static GB5Shared.GB5Constant.Constant;

namespace RecruitmentSL.EndPoints.Candidate
{
    public class GetCandidate
        : BaseEndpoint<GetCandidate.GetCandidateParameters, object>
    {
        private readonly ICandidateBLL _CandidateBLL;

        public GetCandidate(ICandidateBLL candidateBLL)
        {
            _CandidateBLL = candidateBLL;
        }

        public override void Configure()
        {
            Get("/Candidate/GetCandidate");
            // Roles("HR", "Recruiter", "Manager") throws 500 here — no host in this repo
            // configures AddAuthentication (HRFinanceHost included; see PayRollSL's
            // GetHRMSDashboard.cs for the same documented, repo-wide gap). AllowAnonymous
            // matches every other endpoint in this SL module today.
            AllowAnonymous();
        }

        public record GetCandidateParameters(
            [property: QueryParam] int CandidateId,
            [property: FastEndpoints.FromHeader] string Login
        );

        protected override string? GetCacheKey(
            GetCandidateParameters parameters,
            LoginDTO loginDTO)
            => KeyGenerator.KeyGeneration(
                parameters.CandidateId,
                EntityConstant.OBJECTRECRUITMENTCANDIDATE,
                CacheKeyLevel.CLIENT_LEVEL,
                loginDTO);

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            GetCandidateParameters parameters,
            LoginDTO loginDTO,
            CancellationToken ct)
        {
            try
            {
                var result = await _CandidateBLL
                    .GetCandidate(parameters.CandidateId, loginDTO!, ct);

                return await GB5Shared.ResponseStandard.Response
                    .CreateSuccessResponse(
                        result,
                        CacheKeyLevel.USER_LEVEL,
                        loginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response
                    .CreateExceptionError<string>(
                        ex,
                        CacheKeyLevel.USER_LEVEL,
                        loginDTO,
                        ex.Message,
                        500);
            }
        }
    }
}