using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AdminBLL.Allocation;
using AdminDAL.CustomCode.Allocation;
using AdminDAL.DTO.Allocation;
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;

namespace AdminBLL.MAllocation
{
    public class AllocationBLL : IAllocationBLL
    {
        private readonly IAllocationDAL _AllocationDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;


        public AllocationBLL(IAllocationDAL IAllocationDAL, AutoNumber AutoNumber,IValidation validation)
        {
            _AllocationDAL = IAllocationDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetAllocation(int MAllocationId, LoginDTO LoginDTO)
        {
            try
            {
                return await _AllocationDAL.GetAllocation(MAllocationId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }


        public async Task<IEnumerable<MAllocationSplitPickListDTO>> GetSelectListMAllocationSplit(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _AllocationDAL.GetSelectListMAllocationSplit(FirstNumber, MaxResult, CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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


        public async Task<string> SaveAllocation(MAllocationDTO MAllocationDTO, LoginDTO LoginDTO)
        {
            if (MAllocationDTO == null) throw new ArgumentNullException(nameof(MAllocationDTO));
            try
            {
                await _Validation.NotEmpty(MAllocationDTO.MAllocationName, nameof(MAllocationDTO.MAllocationName));
                MAllocationDTO.MAllocationModifiedById = LoginDTO.UserId;
                MAllocationDTO.MAllocationModifiedOn = DateTime.UtcNow;

                int initialId = MAllocationDTO.MAllocationId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "ALLOCATION", LoginDTO);
                    MAllocationDTO.MAllocationId = AutoNumberDTO.StartNumber;
                    MAllocationDTO.MAllocationCreatedById = LoginDTO.UserId;
                    MAllocationDTO.MAllocationCreatedOn = DateTime.UtcNow;

                    await _AllocationDAL.SaveAllocation(MAllocationDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {MAllocationDTO.MAllocationId}";
                }
                else
                {
                    await _AllocationDAL.UpdateAllocation(MAllocationDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {MAllocationDTO.MAllocationId}";
                }
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> DeleteAllocation(int MAllocationId, LoginDTO LoginDTO)
        {
            try
            {
                return await _AllocationDAL.DeleteAllocation(MAllocationId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}