using DMSDAL.CustomCode.Space;
using DMSDAL.DTO.Space;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DMSBLL.Space
{
    public class SpaceBLL : ISpaceBLL
    {
        private readonly ISpaceDAL _SpaceDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public SpaceBLL(ISpaceDAL SpaceDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _SpaceDAL = SpaceDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;

        }

        public async Task<string> GetSpace(int SpaceId, LoginDTO LoginDTO)
        {
            try
            {
                return await _SpaceDAL.GetSpace(SpaceId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveSpace(SpaceDTO SpaceDTO, LoginDTO LoginDTO)
        {
            if (SpaceDTO == null) throw new ArgumentNullException(nameof(SpaceDTO));
            AutoNumberDTO? autoNumberDTO = null;
            try
            {
                await _Validation.NotEmpty(SpaceDTO.SpaceName, nameof(SpaceDTO.SpaceName));
                SpaceDTO.ModifiedById = LoginDTO.UserId;
                SpaceDTO.ModifiedOn = DateTime.UtcNow;

                int initialId = (int)SpaceDTO.SpaceId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "SPACE", LoginDTO);
                    SpaceDTO.SpaceId = AutoNumberDTO.StartNumber;
                    SpaceDTO.CreatedById = LoginDTO.UserId;
                    SpaceDTO.CreatedOn = DateTime.UtcNow;

                    await _SpaceDAL.SaveSpace(SpaceDTO, LoginDTO);
                    return "Details have been saved successfully.";
                }
                else
                {
                    await _SpaceDAL.UpdateSpace(SpaceDTO, LoginDTO);
                    return "Details have been updated successfully.";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && SpaceDTO.SpaceId > 0)
                    await _AutoNumber.RollbackAutoNumber("SPACE", (int)SpaceDTO.SpaceId, LoginDTO);

                throw;
            }
        }

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

        public async Task<string> DeleteSpace(int SpaceId, LoginDTO LoginDTO)
        {
            try
            {
                return await _SpaceDAL.DeleteSpace(SpaceId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
        public async Task<string> GetSpaceList(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _SpaceDAL.GetSpaceList(CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}