using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using FrameworkDAL.CustomCode.DataValidation;
using FrameworkDAL.DTO.DataValidation;
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;

namespace FrameworkBLL.DataValidation
{
    public class DataValidationBLL : IDataValidationBLL
    {
        private readonly IDataValidationDAL _DataValidationDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public DataValidationBLL(IDataValidationDAL DataValidationDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _DataValidationDAL = DataValidationDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetDataValidation(int DataValidationId, LoginDTO LoginDTO)
        {
            try
            {
                return await _DataValidationDAL.GetDataValidation(DataValidationId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(DataValidationDTO.DataValidationCode, nameof(DataValidationDTO.DataValidationCode));
                await _Validation.NotEmpty(DataValidationDTO.DataValidationName, nameof(DataValidationDTO.DataValidationName));
                DataValidationDTO.DataValidationModifiedById = LoginDTO.UserId;
                DataValidationDTO.DataValidationModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (DataValidationDTO.DataValidationId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "DATAVALIDATION", LoginDTO);
                    DataValidationDTO.DataValidationId = autoNumberDTO.StartNumber;
                    DataValidationDTO.DataValidationCreatedById = LoginDTO.UserId;
                    DataValidationDTO.DataValidationCreatedOn = DateTime.UtcNow;

                    await _DataValidationDAL.SaveDataValidation(DataValidationDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {DataValidationDTO.DataValidationId}";
                }
                else
                {
                    await _DataValidationDAL.UpdateDataValidation(DataValidationDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {DataValidationDTO.DataValidationId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && DataValidationDTO.DataValidationId > 0)
                    await _AutoNumber.RollbackAutoNumber("DATAVALIDATION", DataValidationDTO.DataValidationId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteDataValidation(int DataValidationId, LoginDTO LoginDTO)
        {
            try
            {
                return await _DataValidationDAL.DeleteDataValidation(DataValidationId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListDataValidation(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _DataValidationDAL.GetSelectListDataValidation(FirstNumber, MaxResult, CriteriaDTO, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error in GetSelectListDataValidation", ex);
            }
        }
    }
}