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.MachineType;
using MMDAL.DTO.Machine;

namespace MMBLL.MachineType
{
    public class MachineTypeBLL : IMachineTypeBLL
    {
        private readonly IMachineTypeDAL _MachineTypeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public MachineTypeBLL(IMachineTypeDAL MachineTypeDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _MachineTypeDAL = MachineTypeDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetMachineType(int MachineTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MachineTypeDAL.GetMachineType(MachineTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(MachineTypeDTO.MachineTypeCode, nameof(MachineTypeDTO.MachineTypeCode));
                await _Validation.NotEmpty(MachineTypeDTO.MachineTypeName, nameof(MachineTypeDTO.MachineTypeName));
                MachineTypeDTO.MachineTypeModifiedById = LoginDTO.UserId;
                MachineTypeDTO.MachineTypeModifiedOn = DateTime.UtcNow;

                int initialId = MachineTypeDTO.MachineTypeId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "MACHINETYPE", LoginDTO);
                    MachineTypeDTO.MachineTypeId = AutoNumberDTO.StartNumber;
                    MachineTypeDTO.MachineTypeCreatedById = LoginDTO.UserId;
                    MachineTypeDTO.MachineTypeCreatedOn = DateTime.UtcNow;

                    await _MachineTypeDAL.SaveMachineType(MachineTypeDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessCode} {MachineTypeDTO.MachineTypeCode}";
                }
                else
                {
                    await _MachineTypeDAL.UpdateMachineType(MachineTypeDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessCode} {MachineTypeDTO.MachineTypeCode}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && MachineTypeDTO.MachineTypeId > 0)
                    await _AutoNumber.RollbackAutoNumber("MACHINETYPE", MachineTypeDTO.MachineTypeId, LoginDTO);

                throw;
            }
        }

        public async Task<string> GetSelectListMachineType(CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                return await _MachineTypeDAL.GetSelectListMachineType(criteriaDTO, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> DeleteMachineType(int MachineTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MachineTypeDAL.DeleteMachineType(MachineTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

    }
}