using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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;
using MMDAL.CustomCode.GradeStandardCategory;
using MMDAL.DTO.GradeStandard;
using MMDAL.DTO.GradeStandardCategory;

namespace MMBLL.GradeStandardCategory
{
    public class GradeStandardCategoryBLL : IGradeStandardCategoryBLL
    {
        private readonly IGradeStandardCategoryDAL _GradeStandardCategoryDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public GradeStandardCategoryBLL(IGradeStandardCategoryDAL IGradeStandardCategoryDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _GradeStandardCategoryDAL = IGradeStandardCategoryDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetGradeStandardCategory(int GradeStandardCategoryId, LoginDTO LoginDTO)
        {
            try
            {
                return await _GradeStandardCategoryDAL.GetGradeStandardCategory(GradeStandardCategoryId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveGradeStandardCategory(GradeStandardCategoryDTO GradeStandardCategoryDTO, LoginDTO LoginDTO)
        {
            if (GradeStandardCategoryDTO == null) throw new ArgumentNullException(nameof(GradeStandardCategoryDTO));

            try
            {
                GradeStandardCategoryDTO.GradeStandardCategoryModifiedById = LoginDTO.UserId;
                GradeStandardCategoryDTO.GradeStandardCategoryModifiedOn = DateTime.UtcNow;
                GradeStandardCategoryDTO.GradeStandardCategoryTenantId = LoginDTO.ClientId;

                if (GradeStandardCategoryDTO.GradeStandardCategoryId == 0)
                {
                    GradeStandardCategoryDTO.GradeStandardCategoryCreatedById = LoginDTO.UserId;
                    GradeStandardCategoryDTO.GradeStandardCategoryCreatedOn = DateTime.UtcNow;

                    GradeStandardCategoryDTO.GradeStandardCategoryId = await _GradeStandardCategoryDAL.SaveGradeStandardCategory(GradeStandardCategoryDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {GradeStandardCategoryDTO.GradeStandardCategoryId}";
                }
                else
                {
                    await _GradeStandardCategoryDAL.UpdateGradeStandardCategory(GradeStandardCategoryDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {GradeStandardCategoryDTO.GradeStandardCategoryId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}