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.Validation;
using MMDAL.CustomCode.ItemSubCategory;
using MMDAL.DTO.ItemSubCategory;

namespace MMBLL.ItemSubCategory
{
    public class ItemSubCategoryBLL : IItemSubCategoryBLL
    {
        private readonly IItemSubCategoryDAL _ItemSubCategoryDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public ItemSubCategoryBLL(IItemSubCategoryDAL ItemSubCategoryDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _ItemSubCategoryDAL = ItemSubCategoryDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<ItemSubCategoryDTO> GetItemSubCategory(int ItemSubCategoryId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ItemSubCategoryDAL.GetItemSubCategory(ItemSubCategoryId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(ItemSubCategoryDTO.ItemSubCategoryCode, nameof(ItemSubCategoryDTO.ItemSubCategoryCode));
                await _Validation.NotEmpty(ItemSubCategoryDTO.ItemSubCategoryName, nameof(ItemSubCategoryDTO.ItemSubCategoryName));
                ItemSubCategoryDTO.ItemSubCategoryModifiedById = LoginDTO.UserId;
                ItemSubCategoryDTO.ItemSubCategoryModifiedOn = DateTime.UtcNow;

                int InitialId = ItemSubCategoryDTO.ItemSubCategoryId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "ITEMSUBCATEGORY", LoginDTO);
                    ItemSubCategoryDTO.ItemSubCategoryId = AutoNumberDTO.StartNumber;
                    ItemSubCategoryDTO.ItemSubCategoryCreatedById = LoginDTO.UserId;
                    ItemSubCategoryDTO.ItemSubCategoryCreatedOn = DateTime.UtcNow;

                    await _ItemSubCategoryDAL.SaveItemSubCategory(ItemSubCategoryDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessName} {ItemSubCategoryDTO.ItemSubCategoryName}";
                }
                else
                {
                    await _ItemSubCategoryDAL.UpdateItemSubCategory(ItemSubCategoryDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessName} {ItemSubCategoryDTO.ItemSubCategoryName}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && ItemSubCategoryDTO.ItemSubCategoryId > 0)
                    await _AutoNumber.RollbackAutoNumber("ITEMSUBCATEGORY", ItemSubCategoryDTO.ItemSubCategoryId, LoginDTO);

                throw;
            }
        }


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


        public async Task<string> DeleteItemSubCategory(int ItemSubCategoryId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ItemSubCategoryDAL.DeleteItemSubCategory(ItemSubCategoryId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}