using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Logging;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using MMDAL.CustomCode.MeasureUnit;
using MMDAL.DTO.Material;
using MMDAL.DTO.MeasureUnit;
using NPOI.SS.Formula.Functions;

namespace MMBLL.MeasureUnit
{
    public class MeasureUnitBLL : IMeasureUnitBLL
    {
        private readonly IMeasureUnitDAL _MeasureUnitDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        public MeasureUnitBLL(IMeasureUnitDAL IMeasureUnitDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _MeasureUnitDAL = IMeasureUnitDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetMeasureUnit(int MeasureUnitId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MeasureUnitDAL.GetMeasureUnit(MeasureUnitId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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


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

            try
            {
                await _Validation.NotEmpty(MeasureUnitDTO.MeasureUnitName, nameof(MeasureUnitDTO.MeasureUnitName));
                MeasureUnitDTO.MeasureUnitModifiedById = LoginDTO.UserId;
                MeasureUnitDTO.MeasureUnitModifiedOn = DateTime.UtcNow;

                int InitialId = MeasureUnitDTO.MeasureUnitId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {

                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "MEASUREUNIT", LoginDTO);
                    MeasureUnitDTO.MeasureUnitId = AutoNumberDTO.StartNumber;
                    MeasureUnitDTO.MeasureUnitCreatedById = LoginDTO.UserId;
                    MeasureUnitDTO.MeasureUnitCreatedOn = DateTime.UtcNow;

                    await _MeasureUnitDAL.SaveMeasureUnit(MeasureUnitDTO, LoginDTO);
                    return $"{SuccessResponse.SuccessfullySave} {MeasureUnitDTO.MeasureUnitName}";
                }
                else
                {
                    await _MeasureUnitDAL.UpdateMeasureUnit(MeasureUnitDTO, LoginDTO);
                    return $"{SuccessResponse.SuccessfullyUpdate} {MeasureUnitDTO.MeasureUnitName}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && MeasureUnitDTO.MeasureUnitId > 0)
                    await _AutoNumber.RollbackAutoNumber("MEASUREUNIT", MeasureUnitDTO.MeasureUnitId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteMeasureUnit(int MeasureUnitId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MeasureUnitDAL.DeleteMeasureUnit(MeasureUnitId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}