using System.ComponentModel.DataAnnotations;
using FrameworkDAL.CustomCode.DataAlert;
using FrameworkDAL.DTO.DataAlert;
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;

namespace FrameworkBLL.DataAlert
{
    public class DataAlertBLL : IDataAlertBLL
    {
        private readonly IDataAlertDAL _DataAlertDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public DataAlertBLL(IDataAlertDAL DataAlertDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _DataAlertDAL = DataAlertDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<IEnumerable<DataAlertDTO>> GetDataAlert(int dataAlertId, LoginDTO loginDTO)
        {
            try
            {
                return await _DataAlertDAL.GetDataAlert(dataAlertId, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

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

            try
            {
                await _Validation.NotEmpty(DataAlertDTO.DataAlertName, nameof(DataAlertDTO.DataAlertName));
                DataAlertDTO.DataAlertModifiedById = LoginDTO.UserId;
                DataAlertDTO.DataAlertModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (DataAlertDTO.DataAlertId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "DATAALERT", LoginDTO);
                    DataAlertDTO.DataAlertId = autoNumberDTO.StartNumber;
                    DataAlertDTO.DataAlertCreatedById = LoginDTO.UserId;
                    DataAlertDTO.DataAlertCreatedOn = DateTime.UtcNow;

                    await _DataAlertDAL.SaveDataAlert(DataAlertDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {DataAlertDTO.DataAlertId}";
                }
                else
                {
                    await _DataAlertDAL.UpdateDataAlert(DataAlertDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {DataAlertDTO.DataAlertId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && DataAlertDTO.DataAlertId > 0)
                    await _AutoNumber.RollbackAutoNumber("DATAALERT", DataAlertDTO.DataAlertId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteDataAlert(int DataAlertId, LoginDTO LoginDTO)
        {
            try
            {
                return await _DataAlertDAL.DeleteDataAlert(DataAlertId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}