using AdminDAL.CustomCode.Currency;
using AdminDAL.DTO.Currency;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.DTO.Framework.AutoNumber;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using GB5Shared.Resource.Response;
using System.ComponentModel.DataAnnotations;
using GB5Shared.Validation;

namespace AdminBLL.Currency
{
    public class CurrencyBLL : ICurrencyBLL
    {
        private readonly ICurrencyDAL _CurrencyDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;


        public CurrencyBLL(ICurrencyDAL CurrencyDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _CurrencyDAL = CurrencyDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetCurrency(int CurrencyId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CurrencyDAL.GetCurrency(CurrencyId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
        public async Task<string> SaveCurrency(CurrencyDTO CurrencyDTO, LoginDTO LoginDTO)
        {
            if (CurrencyDTO == null) throw new ArgumentNullException(nameof(CurrencyDTO));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(CurrencyDTO.CurrencyCode, nameof(CurrencyDTO.CurrencyCode));
                await _Validation.NotEmpty(CurrencyDTO.CurrencyName, nameof(CurrencyDTO.CurrencyName));
                CurrencyDTO.CurrencyModifiedById = LoginDTO.UserId;
                CurrencyDTO.CurrencyModifiedOn = DateTime.UtcNow;

                int InitialId = CurrencyDTO.CurrencyId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {
                    CurrencyDTO.CurrencyCreatedById = LoginDTO.UserId;
                    CurrencyDTO.CurrencyCreatedOn = DateTime.UtcNow;
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "CURRENCY", LoginDTO);
                    CurrencyDTO.CurrencyId = AutoNumberDTO.StartNumber;

                    await _CurrencyDAL.SaveCurrency(CurrencyDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {CurrencyDTO.CurrencyId}";
                }
                else
                {
                    await _CurrencyDAL.UpdateCurrency(CurrencyDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {CurrencyDTO.CurrencyId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && CurrencyDTO.CurrencyId > 0)
                    await _AutoNumber.RollbackAutoNumber("CURRENCY", CurrencyDTO.CurrencyId, LoginDTO);

                throw;
            }
        }


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

        public async Task<string> DeleteCurrency(int CurrencyId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CurrencyDAL.DeleteCurrency(CurrencyId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}