using AdminDAL.CustomCode.AllocationType;
using AdminDAL.DTO.Allocation;
using AdminDAL.DTO.Period;
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 System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AdminBLL.AllocationType
{
    public class AllocationTypeBLL : IAllocationTypeBLL
    {
        private readonly IAllocationTypeDAL _AllocationTypeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public AllocationTypeBLL(IAllocationTypeDAL AllocationTypeDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _AllocationTypeDAL = AllocationTypeDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetSelectListAllocationType(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _AllocationTypeDAL.GetSelectListAllocationType(CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetAllocationType(int AllocationTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _AllocationTypeDAL.GetAllocationType(AllocationTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(AllocationTypeDTO.AllocationTypeCode, nameof(AllocationTypeDTO.AllocationTypeCode));
                await _Validation.NotEmpty(AllocationTypeDTO.AllocationTypeName, nameof(AllocationTypeDTO.AllocationTypeName));
                AllocationTypeDTO.AllocationTypeModifiedById = LoginDTO.UserId;
                AllocationTypeDTO.AllocationTypeModifiedOn = DateTime.UtcNow;

                int initialId = AllocationTypeDTO.AllocationTypeId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO autoNumberDTO = await _AutoNumber.GetNumberAsync(count, "ALLOCATIONTYPE", LoginDTO);
                    AllocationTypeDTO.AllocationTypeId = autoNumberDTO.StartNumber;
                    AllocationTypeDTO.AllocationTypeCreatedById = LoginDTO.UserId;
                    AllocationTypeDTO.AllocationTypeCreatedOn = DateTime.UtcNow;

                    await _AllocationTypeDAL.SaveAllocationType(AllocationTypeDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {AllocationTypeDTO.AllocationTypeId}";
                }
                else
                {
                    await _AllocationTypeDAL.UpdateAllocationType(AllocationTypeDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {AllocationTypeDTO.AllocationTypeId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (AutoNumberDTO != null && AllocationTypeDTO.AllocationTypeId > 0)
                    await _AutoNumber.RollbackAutoNumber("ALLOCATIONTYPE", AllocationTypeDTO.AllocationTypeId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteAllocationType(int AllocationTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _AllocationTypeDAL.DeleteAllocationType(AllocationTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}