textGame - Attack

import java.time.LocalTime;

public class Attack {

    /**
     *
     * An attack requires both the attacker and the defender to be alive.
     * If one or both are dead, then a "No Attack" message is returned.
     *
     * A random number between 0.0 <= 0.0 < 1.0.  If this number is less than the attacker's aggressiveness, then
     * an attack occurs.
     *     If the attack occurs the strength of the attack is calculated using the strength and stamina of the attacker.
     *     If no attack occurs the ccreature's attack message is returned.
     *
     */

    public static boolean isNight(){
        boolean night = false;
        LocalTime time = LocalTime.now();
        int currentHour = time.getHour();
        night = (currentHour <6 || currentHour >= 18);
                return night;
    }

    private static String normalAttack(Entity attacker, Entity defender){
        String message = "Nothing So far";
        if(attacker.isDead() || defender.isDead()){
            message = "One or both players are dead.  No attack";
        }else {
            boolean attack = Math.random() < attacker.getAggressiveness();
            if (attack) {
                double force = attacker.getStrength() * Math.random();
                double damage = force / defender.getStamina();
                defender.subtractHealth(damage);
                message = String.format("%s %d %s with %d%% force and doing %d%% damage",
                        attacker.symbol, attacker.getId(), attacker.getAttackMessage(), (int)Math.round(force*100),
                        (int)Math.round(damage*100));
            }else{
                message = String.format("%s %d %s", attacker.symbol,attacker.getId(), attacker.getPassiveMessage());
            }
        }
        return message;
    }




    public static String attack(Entity attacker, Entity defender) {

        if(isNight()==true && (defender instanceof Nocturnal)){
            if(Math.random()>0.5){
               return normalAttack(attacker,defender);
            }
            else
            return String.format("%s %d has hidden", defender.getSymbol(),defender.getId());
        }

        if (isNight()==false && ( attacker instanceof Nocturnal)){
            return String.format("%s",attacker.getPassiveMessage());
        }
        if(isNight()==true){
          return normalAttack(attacker, defender);
        }
      return normalAttack(attacker, defender);
    }

    /**
     * This method has player1 attack player 2, and then player 2 attack player 1.
     *
     * @param player1
     * @param player2
     * @param round  This is an integer that indicates round number.  It is normally an incremented variable.
     *
     * There is no return value
     */

    public static void round(Entity player1, Entity player2, int round){
        System.out.println("\nRound " + round);
        System.out.println(Attack.attack(player1, player2));
        System.out.println(Attack.attack(player2, player1));
    }

}