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

namespace PayRollSL.EndPoints.Employee
{
    // GB4 parity: Employee.svc.cs GetDifferenceFromJoiningDate
    // (WCF UriTemplate: /Get/Difference/From/JoiningDate/?EmployeeId={EmployeeId}&SeparationDate={SeparationDate})
    public class GetDifferenceFromJoiningDate : BaseEndpoint<GetDifferenceFromJoiningDate.GetDifferenceFromJoiningDateParameters, ResponseStandardDTO<object>>
    {
        private readonly IEmployeeBLL _EmployeeBLL;

        public GetDifferenceFromJoiningDate(IEmployeeBLL EmployeeBLL)
        {
            _EmployeeBLL = EmployeeBLL;
        }

        public override void Configure()
        {
            Get("/Employee/GetDifferenceFromJoiningDate");
            AllowAnonymous();
        }

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

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(GetDifferenceFromJoiningDateParameters req, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                var (years, months, days) = await _EmployeeBLL.GetDifferenceFromJoiningDate(req.EmployeeId, req.SeparationDate, LoginDTO!);
                var result = new { SeparationYears = years, SeparationMonths = months, SeparationDays = days };
                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);
            }
        }
    }
}