using FrameworkDAL.CustomCode.GCM;
using FrameworkDAL.DTO.Gcm;
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.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FrameworkBLL.GCM
{
    public class GCMBLL : IGCMBLL
    {
        private readonly IGCMDAL _GCMDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public GCMBLL(IGCMDAL IGCMDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _GCMDAL = IGCMDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }
        public async Task<IEnumerable<GcmPicklistDTO>> GetSelectListGCM(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO, bool IsCount = false)
            => await _GCMDAL.GetSelectListGCM(FirstNumber, MaxResult, CriteriaDTO, LoginDTO, IsCount).ConfigureAwait(false);

        public async Task<int> GetSelectListGCMCount(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
            => await _GCMDAL.GetSelectListGCMCount(CriteriaDTO, LoginDTO).ConfigureAwait(false);
        public async Task<string> GetGCM(int GcmId, LoginDTO LoginDTO)
        {
            try
            {
                return await _GCMDAL.GetGCM(GcmId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
        public async Task<string> SaveGCM(GcmDTO GcmDTO, LoginDTO LoginDTO)
        {
            if (GcmDTO == null) throw new ArgumentNullException(nameof(GcmDTO));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(GcmDTO.GcmCode, nameof(GcmDTO.GcmCode));
                await _Validation.NotEmpty(GcmDTO.GcmName, nameof(GcmDTO.GcmName));
                GcmDTO.GcmModifiedById = LoginDTO.UserId;
                GcmDTO.GcmModifiedOn = DateTime.UtcNow;

                int InitialId = GcmDTO.GcmId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {

                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "GCM", LoginDTO);
                    GcmDTO.GcmId = AutoNumberDTO.StartNumber;
                    GcmDTO.GcmCreatedById = LoginDTO.UserId;
                    GcmDTO.GcmCreatedOn = DateTime.UtcNow;

                    await _GCMDAL.SaveGCM(GcmDTO, LoginDTO);
                    return $"Details Saved Successfully.";
                }
                else
                {
                    await _GCMDAL.UpdateGCM(GcmDTO, LoginDTO);
                    return $"Details Updated Successfully.";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && GcmDTO.GcmId > 0)
                    await _AutoNumber.RollbackAutoNumber("GCM", GcmDTO.GcmId, LoginDTO);

                throw;
            }
        }
        public async Task<string> DeleteGCM(int GCMId, LoginDTO LoginDTO)
        {
            try
            {
                return await _GCMDAL.DeleteGCM(GCMId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}