using System.ComponentModel.DataAnnotations;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Validation;
using MMDAL.CustomCode.NDTCertificate;
using MMDAL.DTO.NDTCertificate;

namespace MMBLL.NDTCertificate
{
    public class NDTCertificateBLL : INDTCertificateBLL
    {
        private readonly INDTCertificateDAL _NDTCertificateDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public NDTCertificateBLL(INDTCertificateDAL NDTCertificateDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _NDTCertificateDAL = NDTCertificateDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<NDTCertificateDTO> GetNDTCertificate(int NDTCertificateId, LoginDTO LoginDTO)
        {
            try
            {
                return await _NDTCertificateDAL.GetNDTCertificate(NDTCertificateId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListNDTCertificate(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _NDTCertificateDAL.GetSelectListNDTCertificate(FirstNumber, MaxResult, CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveNDTCertificate(NDTCertificateDTO NDTCertificateDTO, LoginDTO LoginDTO)
        {
            if (NDTCertificateDTO == null) throw new ArgumentNullException(nameof(NDTCertificateDTO));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(NDTCertificateDTO.NDTCertificateCertificateNo, nameof(NDTCertificateDTO.NDTCertificateCertificateNo));
                await _Validation.NotEmpty(NDTCertificateDTO.NDTCertificateInspectorName, nameof(NDTCertificateDTO.NDTCertificateInspectorName));
                await _Validation.NotEmpty(NDTCertificateDTO.NDTCertificateInspectorLevel, nameof(NDTCertificateDTO.NDTCertificateInspectorLevel));

                NDTCertificateDTO.NDTCertificateModifiedById = LoginDTO.UserId;
                NDTCertificateDTO.NDTCertificateModifiedOn = DateTime.UtcNow;

                int initialId = NDTCertificateDTO.NDTCertificateId;
                if (initialId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetNumberAsync(1, "NDTCERTIFICATE", LoginDTO);
                    NDTCertificateDTO.NDTCertificateId = autoNumberDTO.StartNumber;
                    NDTCertificateDTO.NDTCertificateCreatedById = LoginDTO.UserId;
                    NDTCertificateDTO.NDTCertificateCreatedOn = DateTime.UtcNow;

                    await _NDTCertificateDAL.SaveNDTCertificate(NDTCertificateDTO, LoginDTO);
                    return "Details Saved Successfully.";
                }
                else
                {
                    await _NDTCertificateDAL.UpdateNDTCertificate(NDTCertificateDTO, LoginDTO);
                    return "Details Updated Successfully.";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && NDTCertificateDTO.NDTCertificateId > 0)
                    await _AutoNumber.RollbackAutoNumber("NDTCERTIFICATE", NDTCertificateDTO.NDTCertificateId, LoginDTO);
                throw;
            }
        }

        public async Task<string> DeleteNDTCertificate(int NDTCertificateId, LoginDTO LoginDTO)
        {
            try
            {
                return await _NDTCertificateDAL.DeleteNDTCertificate(NDTCertificateId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}