using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using MMDAL.CustomCode.CalculationFormula;
using MMDAL.DTO.CalculationFormula;

namespace MMBLL.CalculationFormula
{
    public class CalculationFormulaBLL : ICalculationFormulaBLL
    {
        private readonly ICalculationFormulaDAL _CalculationFormulaDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        public CalculationFormulaBLL(ICalculationFormulaDAL ICalculationFormulaDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _CalculationFormulaDAL = ICalculationFormulaDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetCalculationFormula(int CalculationFormulaId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CalculationFormulaDAL.GetCalculationFormula(CalculationFormulaId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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


        public async Task<string> SaveCalculationFormula(CalculationFormulaDTO CalculationFormulaDTO, LoginDTO LoginDTO)
        {
            if (CalculationFormulaDTO == null) throw new ArgumentNullException(nameof(CalculationFormulaDTO));

            try
            {
                await _Validation.NotEmpty(CalculationFormulaDTO.CalculationFormula, nameof(CalculationFormulaDTO.CalculationFormula));
                CalculationFormulaDTO.CalculationFormulaModifiedById = LoginDTO.UserId;
                CalculationFormulaDTO.CalculationFormulaModifiedOn = DateTime.UtcNow;

                int InitialId = CalculationFormulaDTO.CalculationFormulaId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {
                    
                    CalculationFormulaDTO.CalculationFormulaCreatedById = LoginDTO.UserId;
                    CalculationFormulaDTO.CalculationFormulaCreatedOn = DateTime.UtcNow;

                    await _CalculationFormulaDAL.SaveCalculationFormula(CalculationFormulaDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessName} {CalculationFormulaDTO.CalculationFormula}";
                }
                else
                {
                    await _CalculationFormulaDAL.UpdateCalculationFormula(CalculationFormulaDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessName} {CalculationFormulaDTO.CalculationFormula}";
                }
            }
             
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                throw;
            }

        }

        public async Task<string> DeleteCalculationFormula(int CalculationFormulaId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CalculationFormulaDAL.DeleteCalculationFormula(CalculationFormulaId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}