using FrameworkDAL.CustomCode.Location;
using FrameworkDAL.DTO.Location;
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;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Threading.Tasks;

namespace FrameworkBLL.Location
{
    public class LocationBLL : ILocationBLL
    {
        private readonly ILocationDAL _LocationDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public LocationBLL(ILocationDAL LocationDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _LocationDAL = LocationDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetLocation(int LocationId, LoginDTO LoginDTO)
        {
            try
            {
                return await _LocationDAL.GetLocation(LocationId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(LocationDTO.LocationCode, nameof(LocationDTO.LocationCode));
                await _Validation.NotEmpty(LocationDTO.LocationName, nameof(LocationDTO.LocationName));
                LocationDTO.LocationModifiedById = LoginDTO.UserId;
                LocationDTO.LocationModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (LocationDTO.LocationId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "LOCATION", LoginDTO);
                    LocationDTO.LocationId = autoNumberDTO.StartNumber;
                    LocationDTO.LocationCreatedById = LoginDTO.UserId;
                    LocationDTO.LocationCreatedOn = DateTime.UtcNow;

                    await _LocationDAL.SaveLocation(LocationDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {LocationDTO.LocationId}";
                }
                else
                {
                    await _LocationDAL.UpdateLocation(LocationDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {LocationDTO.LocationId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && LocationDTO.LocationId > 0)
                    await _AutoNumber.RollbackAutoNumber("LOCATION", LocationDTO.LocationId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteLocation(int LocationId, LoginDTO LoginDTO)
        {
            try
            {
                return await _LocationDAL.DeleteLocation(LocationId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListLocation(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _LocationDAL.GetSelectListLocation(FirstNumber, MaxResult, CriteriaDTO, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error in GetSelectListLocation", ex);
            }
        }
    }
}