using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.GB5Solution;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;
using MMDAL.CustomCode.Charge;
using MMDAL.DTO.Charge;
using System;
using System.ComponentModel.DataAnnotations;
using System.Threading.Tasks;

namespace MMBLL.Charge
{
    public class ChargeBLL : IChargeBLL
    {
        private readonly IChargeDAL _ChargeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public ChargeBLL(IChargeDAL ChargeDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _ChargeDAL = ChargeDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetCharge(int ChargeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ChargeDAL.GetCharge(ChargeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveCharge(ChargeDTO chargeDTO, LoginDTO loginDTO)
        {
            if (chargeDTO == null)
                throw new ArgumentNullException(nameof(chargeDTO));

            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                // Validations
                await _Validation.NotEmpty(chargeDTO.ChargeCode, nameof(chargeDTO.ChargeCode));
                await _Validation.NotEmpty(chargeDTO.ChargeName, nameof(chargeDTO.ChargeName));

                // Modified Info
                chargeDTO.ChargeModifiedById = loginDTO.UserId;
                chargeDTO.ChargeModifiedOn = DateTime.UtcNow;

                int count = 1;

                if (chargeDTO.ChargeId == 0)
                {
                    // Generate autonumber for new record
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "CHARGE", loginDTO);
                    chargeDTO.ChargeId = autoNumberDTO.StartNumber;

                    // Created Info
                    chargeDTO.ChargeCreatedById = loginDTO.UserId;
                    chargeDTO.ChargeCreatedOn = DateTime.UtcNow;

                    await _ChargeDAL.SaveCharge(chargeDTO, loginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {chargeDTO.ChargeId}";
                }
                else
                {
                    await _ChargeDAL.UpdateCharge(chargeDTO, loginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {chargeDTO.ChargeId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                // Rollback autonumber if failed for new entry
                if (autoNumberDTO != null && chargeDTO.ChargeId > 0)
                    await _AutoNumber.RollbackAutoNumber("CHARGE", chargeDTO.ChargeId, loginDTO);

                throw;
            }
        }


        public async Task<string> GetSelectListCharge(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _ChargeDAL.GetSelectListCharge(CriteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> DeleteCharge(int ChargeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ChargeDAL.DeleteCharge(ChargeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}