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 PayRollDAL.CustomeCode.DAPointGroup;
using PayRollDAL.DTO.DAPointGroup;

namespace PayRollBLL.DAPointGroup
{
    public class DAPointGroupBLL : IDAPointGroupBLL
    {
        private readonly IDAPointGroupDAL _DAPointGroupDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public DAPointGroupBLL(IDAPointGroupDAL DAPointGroupDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _DAPointGroupDAL = DAPointGroupDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetDAPointGroup(int DAPointGroupId, LoginDTO LoginDTO)
        {
            try
            {
                return await _DAPointGroupDAL.GetDAPointGroup(DAPointGroupId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }



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

            try
            {
                await _Validation.NotEmpty(DAPointGroupDTO.DAPointGroupCode, nameof(DAPointGroupDTO.DAPointGroupCode));
                await _Validation.NotEmpty(DAPointGroupDTO.DAPointGroupName, nameof(DAPointGroupDTO.DAPointGroupName));
                DAPointGroupDTO.DAPointGroupModifiedById = LoginDTO.UserId;
                DAPointGroupDTO.DAPointGroupModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (DAPointGroupDTO.DAPointGroupId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "DAPOINTGROUP", LoginDTO);
                    DAPointGroupDTO.DAPointGroupId = autoNumberDTO.StartNumber;
                    DAPointGroupDTO.DAPointGroupCreatedById = LoginDTO.UserId;
                    DAPointGroupDTO.DAPointGroupCreatedOn = DateTime.UtcNow;

                    await _DAPointGroupDAL.SaveDAPointGroup(DAPointGroupDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {DAPointGroupDTO.DAPointGroupId}";
                }
                else
                {
                    await _DAPointGroupDAL.UpdateDAPointGroup(DAPointGroupDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {DAPointGroupDTO.DAPointGroupId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && DAPointGroupDTO.DAPointGroupId > 0)
                    await _AutoNumber.RollbackAutoNumber("DAPOINTGROUP", DAPointGroupDTO.DAPointGroupId, LoginDTO);

                throw;
            }
        }


        public async Task<string> DeleteDAPointGroup(int DAPointGroupId, LoginDTO LoginDTO)
        {
            try
            {
                return await _DAPointGroupDAL.DeleteDAPointGroup(DAPointGroupId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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