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.MProcessGroup;
using MMDAL.DTO.MprocessGroup;

namespace MMBLL.MProcessGroup
{
    public class MProcessGroupBLL : IMProcessGroupBLL
    {
        private readonly IMProcessGroupDAL _MProcessGroupDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public MProcessGroupBLL(IMProcessGroupDAL MProcessGroupDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _MProcessGroupDAL = MProcessGroupDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetMProcessGroup(int MProcessGroupId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MProcessGroupDAL.GetMProcessGroup(MProcessGroupId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(MProcessGroupDTO.MProcessGroupCode, nameof(MProcessGroupDTO.MProcessGroupCode));
                await _Validation.NotEmpty(MProcessGroupDTO.MProcessGroupName, nameof(MProcessGroupDTO.MProcessGroupName));
                MProcessGroupDTO.MProcessGroupModifiedById = LoginDTO.UserId;
                MProcessGroupDTO.MProcessGroupModifiedOn = DateTime.UtcNow;

                int initialId = MProcessGroupDTO.MProcessGroupId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "MPROCESSGROUP", LoginDTO);
                    MProcessGroupDTO.MProcessGroupId = AutoNumberDTO.StartNumber;
                    MProcessGroupDTO.MProcessGroupCreatedById = LoginDTO.UserId;
                    MProcessGroupDTO.MProcessGroupCreatedOn = DateTime.UtcNow;

                    await _MProcessGroupDAL.SaveMProcessGroup(MProcessGroupDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {MProcessGroupDTO.MProcessGroupId}";
                }
                else
                {
                    await _MProcessGroupDAL.UpdateMProcessGroup(MProcessGroupDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {MProcessGroupDTO.MProcessGroupId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && MProcessGroupDTO.MProcessGroupId > 0)
                    await _AutoNumber.RollbackAutoNumber("MPROCESSGROUP", MProcessGroupDTO.MProcessGroupId, LoginDTO);

                throw;
            }
        }

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

        public async Task<string> DeleteMProcessGroup(int MProcessGroupId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MProcessGroupDAL.DeleteMProcessGroup(MProcessGroupId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

    }
}