using FastEndpoints;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using PayrollDAL.DTO.AdditionDeduction;
using PayRollBLL.AdditionDeduction;
using static GB5Shared.GB5Constant.Constant;

namespace PayRollSL.Endpoints.AdditionDeduction
{
    public class GetAdditionDeductionList
        : BaseEndpoint<GetAdditionDeductionList.GetAdditionDeductionListParameters, ResponseStandardDTO<object>>
    {
        private readonly IAdditionDeductionBLL _additionDeductionBLL;

        public GetAdditionDeductionList(IAdditionDeductionBLL additionDeductionBLL)
        {
            _additionDeductionBLL = additionDeductionBLL;
        }

        public override void Configure()
        {
            Post("/AdditionDeduction/GetAdditionDeductionList");
            AllowAnonymous();
        }

        public record GetAdditionDeductionListParameters(
            [property: FromHeader] string Login,
            [property: FromBody] CriteriaDTO CriteriaDTO,
            [property: QueryParam] int FirstNumber,
            [property: QueryParam] int MaxResult
        );

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            GetAdditionDeductionListParameters req,
            LoginDTO loginDTO,
            CancellationToken ct)
        {
            try
            {
                // Validate request parameters
                if (req.CriteriaDTO == null)
                {
                    return await GB5Shared.ResponseStandard.Response.CreateErrorResponse<object>(
                        "CriteriaDTO cannot be null",
                        CacheKeyLevel.NOT_REQUIRED,
                        loginDTO,
                        400
                    );
                }

                // Call BLL to get data
                var result = await _additionDeductionBLL.GetAdditionDeductionListAsync(
                    req.FirstNumber,
                    req.MaxResult,
                    req.CriteriaDTO,
                    loginDTO!
                );

                // Return the object directly - Response handler will serialize it
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    result,
                    CacheKeyLevel.NOT_REQUIRED,
                    loginDTO
                );
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex,
                    CacheKeyLevel.NOT_REQUIRED,
                    loginDTO,
                    ex.Message,
                    500
                );
            }
        }
    }
}