using FrameworkDAL.CustomCode.City;
using FrameworkDAL.DTO.City;
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.ComponentModel.DataAnnotations;

namespace FrameworkBLL.City
{
    public class CityBLL : ICityBLL
    {
        private readonly ICityDAL _CityDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public CityBLL(ICityDAL cityDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _CityDAL = cityDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<CityDTO> GetCity(int cityId, LoginDTO loginDTO)
        {
            try
            {
                return await _CityDAL.GetCity(cityId, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(CityDTO.CityCode, nameof(CityDTO.CityCode));
                await _Validation.NotEmpty(CityDTO.CityName, nameof(CityDTO.CityName));
                CityDTO.CityModifiedById = LoginDTO.UserId;
                CityDTO.CityModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (CityDTO.CityId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "City", LoginDTO);
                    CityDTO.CityId = autoNumberDTO.StartNumber;
                    CityDTO.CityCreatedById = LoginDTO.UserId;
                    CityDTO.CityCreatedOn = DateTime.UtcNow;

                    await _CityDAL.SaveCity(CityDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {CityDTO.CityId}";
                }
                else
                {
                    await _CityDAL.UpdateCity(CityDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {CityDTO.CityId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && CityDTO.CityId > 0)
                    await _AutoNumber.RollbackAutoNumber("City", CityDTO.CityId, LoginDTO);

                throw;
            }
        }

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

        public async Task<string> DeleteCity(int CityId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CityDAL.DeleteCity(CityId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}