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.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;
using MMDAL.CustomCode.LotType;
using MMDAL.DTO.LotType;

namespace MMBLL.LotType
{
    public class LotTypeBLL : ILotTypeBLL
    {
        private readonly ILotTypeDAL _LotTypeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public LotTypeBLL(ILotTypeDAL ILotTypeDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _LotTypeDAL = ILotTypeDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetLotType(int LotTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _LotTypeDAL.GetLotType(LotTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListLotType(CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                return await _LotTypeDAL.GetSelectListLotType(criteriaDTO, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(LotTypeDTO.LotTypeName, nameof(LotTypeDTO.LotTypeName));
                LotTypeDTO.LotTypeModifiedById = LoginDTO.UserId;
                LotTypeDTO.LotTypeModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (LotTypeDTO.LotTypeId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "LOTTYPE", LoginDTO);
                    LotTypeDTO.LotTypeId = autoNumberDTO.StartNumber;
                    LotTypeDTO.LotTypeCreatedById = LoginDTO.UserId;
                    LotTypeDTO.LotTypeCreatedOn = DateTime.UtcNow;

                    await _LotTypeDAL.SaveLotType(LotTypeDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {LotTypeDTO.LotTypeId}";
                }
                else
                {
                    await _LotTypeDAL.UpdateLotType(LotTypeDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {LotTypeDTO.LotTypeId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && LotTypeDTO.LotTypeId > 0)
                    await _AutoNumber.RollbackAutoNumber("LOTTYPE", LotTypeDTO.LotTypeId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteLotType(int LotTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _LotTypeDAL.DeleteLotType(LotTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}