using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using FrameworkDAL.CustomCode.LovType;
using FrameworkDAL.DTO.Lov;
using FrameworkDAL.DTO.LovTypeDTO;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.Validation;
using GB5Shared.Resource.Response;
using System.ComponentModel.DataAnnotations;

namespace FrameworkBLL.LovType
{
    public class LovTypeBLL : ILovTypeBLL
    {
        private readonly ILovTypeDAL _LovTypeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public LovTypeBLL(ILovTypeDAL LovTypeDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _LovTypeDAL = LovTypeDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<LovTypeDTO> GetLovType(int LovTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _LovTypeDAL.GetLovType(LovTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(LovTypeDTO.LovTypeCode, nameof(LovTypeDTO.LovTypeCode));
                await _Validation.NotEmpty(LovTypeDTO.LovTypeName, nameof(LovTypeDTO.LovTypeName));
                LovTypeDTO.LovTypeModifiedById = LoginDTO.UserId;
                LovTypeDTO.LovTypeModifiedOn = DateTime.UtcNow;

                int InitialId = LovTypeDTO.LovTypeId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "LOVTYPE", LoginDTO);
                    LovTypeDTO.LovTypeId = AutoNumberDTO.StartNumber;
                    LovTypeDTO.LovTypeCreatedById = LoginDTO.UserId;
                    LovTypeDTO.LovTypeCreatedOn = DateTime.UtcNow;

                    await _LovTypeDAL.SaveLovType(LovTypeDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {LovTypeDTO.LovTypeId}";
                }
                else
                {
                    await _LovTypeDAL.UpdateLovType(LovTypeDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {LovTypeDTO.LovTypeId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && LovTypeDTO.LovTypeId > 0)
                    await _AutoNumber.RollbackAutoNumber("LOVTYPE", LovTypeDTO.LovTypeId, LoginDTO);

                throw;
            }
        }


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

        public async Task<string> DeleteLovType(int LovTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _LovTypeDAL.DeleteLovType(LovTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}