var config = {
  target: { value: '', type: 'text', label: 'User to follow' },
  maxBet: { value: 1e8, type: 'balance', label: 'Max Bet' }
};


engine.on('BET_PLACED', bet => {
  if (bet.uname.toLowerCase() === config.target.value.toLowerCase()) {
    if (userInfo.balance < 100) {
      stop('Your balance is too low to bet.');
    }

    log('Spotted', bet.uname, 'betting', bet.wager / 100, 'bit(s) with a', bet.payout + 'x payout.');

    const bettableBalance = Math.floor(userInfo.balance / 100) * 100;
    const wager = Math.min(bettableBalance, Math.ceil(bet.wager / 10000)*100, config.maxBet.value);

    if (engine.gameState != 'GAME_STARTING') {
      // do not queue the bet if the current game is no longer accepting bets
      return;
    }

    engine.bet(wager, bet.payout); // aim at target's payout
  }
});

engine.on('CASHED_OUT', cashOut => {
  if (cashOut.uname.toLowerCase() === config.target.value.toLowerCase()) {
    log('Spotted', cashOut.uname, 'cashing out at', cashOut.cashedAt + 'x.');

    if (engine.currentlyPlaying()) {
      engine.cashOut();
    }
  }
})