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.NDTMethod;
using MMDAL.DTO.NDTMethod;

namespace MMBLL.NDTMethod
{
    public class NDTMethodBLL : INDTMethodBLL
    {
        private readonly INDTMethodDAL _NDTMethodDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public NDTMethodBLL(INDTMethodDAL NDTMethodDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _NDTMethodDAL = NDTMethodDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetNDTMethod(int NDTMethodId, LoginDTO LoginDTO)
        {
            try
            {
                return await _NDTMethodDAL.GetNDTMethod(NDTMethodId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

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

            try
            {
                await _Validation.NotEmpty(NDTMethodDTO.NDTMethodCode, nameof(NDTMethodDTO.NDTMethodCode));
                await _Validation.NotEmpty(NDTMethodDTO.NDTMethodName, nameof(NDTMethodDTO.NDTMethodName));

                NDTMethodDTO.NDTMethodModifiedById = LoginDTO.UserId;
                NDTMethodDTO.NDTMethodModifiedOn = DateTime.UtcNow;

                int initialId = NDTMethodDTO.NDTMethodId;
                if (initialId == 0)
                {
                    //autoNumberDTO = await _AutoNumber.GetNumberAsync(1, "NDTMETHOD", LoginDTO);
                   //NDTMethodDTO.NDTMethodId = autoNumberDTO.StartNumber;
                    NDTMethodDTO.NDTMethodCreatedById = LoginDTO.UserId;
                    NDTMethodDTO.NDTMethodCreatedOn = DateTime.UtcNow;

                    await _NDTMethodDAL.SaveNDTMethod(NDTMethodDTO, LoginDTO);
                    return "Details Saved Successfully.";
                }
                else
                {
                    await _NDTMethodDAL.UpdateNDTMethod(NDTMethodDTO, LoginDTO);
                    return "Details Updated Successfully.";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && NDTMethodDTO.NDTMethodId > 0)
                    await _AutoNumber.RollbackAutoNumber("NDTMETHOD", NDTMethodDTO.NDTMethodId, LoginDTO);
                throw;
            }
        }

        public async Task<string> DeleteNDTMethod(int NDTMethodId, LoginDTO LoginDTO)
        {
            try
            {
                return await _NDTMethodDAL.DeleteNDTMethod(NDTMethodId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}