using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using PayRollBLL.Periodic;
using static GB5Shared.GB5Constant.Constant;

namespace PayRollSL.EndPoints.Periodic
{
    // GB4 route: Periodic.svc/LoadPeriodic/?PayPeriodId={PayPeriodId}&PayConfigurationId={PayConfigurationId}
    // (GET, per IPeriodic.cs's WebInvoke attribute) — PeriodicBLL.PeriodicLoad. Despite the GET
    // verb this is a bulk-generation write (seeds TPERIODIC/TPERIODICADDON rows for every eligible
    // employee) — see PeriodicBLL.LoadPeriodic for the full design note.
    public class LoadPeriodic : BaseEndpoint<LoadPeriodic.LoadPeriodicParameters, ResponseStandardDTO<object>>
    {
        private readonly IPeriodicBLL _PeriodicBLL;

        public LoadPeriodic(IPeriodicBLL PeriodicBLL)
        {
            _PeriodicBLL = PeriodicBLL;
        }

        public override void Configure()
        {
            Get("/Periodic/LoadPeriodic");
            AllowAnonymous();
        }

        public record LoadPeriodicParameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int PayPeriodId,
            [property: QueryParam] int PayConfigurationId
        );

        // Bulk-generation write, not a cacheable read — no GetCacheKey override (default null).
        protected override string? GetCacheKey(LoadPeriodicParameters req, LoginDTO login) => null;

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            LoadPeriodicParameters req, LoginDTO loginDTO, CancellationToken ct)
        {
            try
            {
                var message = await _PeriodicBLL.LoadPeriodic(req.PayPeriodId, req.PayConfigurationId, loginDTO, ct);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(message, CacheKeyLevel.NOT_REQUIRED, loginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.NOT_REQUIRED, loginDTO, ex.Message, 500);
            }
        }
    }
}