concept JuiceStrategy1 extends JuiceStrategy {
  // pullback levels for different profits
  
  settableWithVar double profitLevel1;
  settableWithVar double keepPercentage1;
  settableWithVar double profitLevel2;
  settableWithVar double keepPercentage2;
  settableWithVar double profitLevel3;
  settableWithVar double keepPercentage3;
  
  // max loss before leverage
  settableWithVar double maxLoss = 0.5;
  
  AbstractJuicer makeJuicer() {
    new MultiPullbackJuicer j;
    j.stopLossLimit(-maxLoss);
    j.stopLossEnabled(true);
    for (int i = 1; i <= 3; i++) {
      double profitLevel = toDouble(get(this, "profitLevel" + i));
      double keepPercentage = toDouble(get(this, "keepPercentage" + i));
      if (profitLevel != 0 || keepPercentage != 0)
        j.addLevel(profitLevel, keepPercentage);
    }
    ret j;
  }
}