using System.ComponentModel.DataAnnotations;
using FrameworkBLL.Country;
using FrameworkDAL.CustomCode.Country;
using FrameworkDAL.DTO.Country;
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 FrameworkBLL.Country
{
    public class CountryBLL : ICountryBLL
    {
        private readonly ICountryDAL _CountryDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;


        public CountryBLL(ICountryDAL CountryDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _CountryDAL = CountryDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetCountry(int countryId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CountryDAL.GetCountry(countryId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }


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

            try
            {
                await _Validation.NotEmpty(CountryDTO.CountryCode, nameof(CountryDTO.CountryCode));
                await _Validation.NotEmpty(CountryDTO.CountryName, nameof(CountryDTO.CountryName));
                CountryDTO.CountryModifiedById = LoginDTO.UserId;
                CountryDTO.CountryModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (CountryDTO.CountryId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "COUNTRY", LoginDTO);
                    CountryDTO.CountryId = autoNumberDTO.StartNumber;
                    CountryDTO.CountryCreatedById = LoginDTO.UserId;
                    CountryDTO.CountryCreatedOn = DateTime.UtcNow;

                    await _CountryDAL.SaveCountry(CountryDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {CountryDTO.CountryId}";
                }
                else
                {
                    await _CountryDAL.UpdateCountry(CountryDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {CountryDTO.CountryId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && CountryDTO.CountryId > 0)
                    await _AutoNumber.RollbackAutoNumber("COUNTRY", CountryDTO.CountryId, LoginDTO);

                throw;
            }
        }

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

        public async Task<string> DeleteCountry(int CountryId, LoginDTO LoginDTO)
            {
                try
                {
                    return await _CountryDAL.DeleteCountry(CountryId, LoginDTO);
                }
                catch (Exception)
                {
                    throw;
                }
            }
        }
    }