package main;

public class Action {
    private long interval;
    public long timeLastPerformed;
    private long timeJustPerformed;
    
    public Action(final long interval) {
        this.interval = interval;
        this.timeLastPerformed = 0L;
        this.timeJustPerformed = 0L;
    }
    
    public Action(final Action copy) {
        this.interval = copy.interval;
        this.timeLastPerformed = 0L;
        this.timeJustPerformed = 0L;
    }
    
    public Action copy() {
        return new Action(this);
    }
    
    public boolean readyToPerform() {
        if (this.timeJustPerformed == 0L) {
            this.timeJustPerformed = System.currentTimeMillis();
            this.timeLastPerformed = this.timeJustPerformed;
            return true;
        }
        final long timeCurrent = System.currentTimeMillis();
        if (timeCurrent - this.timeJustPerformed >= this.interval) {
            this.timeLastPerformed = this.timeJustPerformed;
            this.timeJustPerformed = timeCurrent;
            return true;
        }
        return false;
    }
    
    public static class Defend extends Action {
        public Defend(final long interval) {
            super(interval);
        }
        
        public Defend(final Defend copy) {
            super(copy);
        }
        
        @Override
        public Defend copy() {
            return new Defend(this);
        }
    }
    
    public static class Fire extends Action {
        public Fire(final long interval) {
            super(interval);
        }
        
        public Fire(final Fire copy) {
            super(copy);
        }
        
        @Override
        public Fire copy() {
            return new Fire(this);
        }
    }
    
    public static class Move extends Action {
        public Move(final long interval) {
            super(interval);
        }
        
        public Move(final Move copy) {
            super(copy);
        }
        
        @Override
        public Move copy() {
            return new Move(this);
        }
    }
}