public class MellatAccountProvider : IGatewayAccountSource<MellatGatewayAccount>
    {
        private readonly ParbadMellatSettings _settingsService;

        public MellatAccountProvider(ParbadMellatSettings settingsService)
        {
            _settingsService = settingsService;
        }
        
        public async Task  AddAccountsAsync(IGatewayAccountCollection<MellatGatewayAccount> accounts)
        {
          //  var settings =  _settingsService.TerminalId();

            accounts.Add(new MellatGatewayAccount
            {
                TerminalId = _settingsService.TerminalId,
                UserName = _settingsService.UserName,
                UserPassword = _settingsService.UserPassword
            });
        }