package javaapplication5;
import java.util.Random;

public class Main {

    public static void main(String[] args) {
        Random rnd = new Random();
        int count = 0;
        float[] speed = new float[]{300,500,800};
        Airplane[] airplane = new Airplane[20];
        Operator operator = new Operator(airplane);


        for (count = 0; count<20; count++)
        {
        	airplane[count] = new Airplane(speed[rnd.nextInt(speed.length)] / 60, operator, count);
        }
      }
}
class Airplane extends Thread{
    float speed;
    float distance;
    int number;
    boolean turn;
    int route;
    int index;
    Operator operator;

    public Airplane(float speed_, Operator operator_, int index_){
        speed = speed_;
        distance = 0;
        number = 0;
        turn = false;
        index = index_;
        operator = operator_;
    }

    public synchronized void Check(){
    	if (Operator.BUZY) {
    		try {
				wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
    	}
    	else
    	{
    	if (number == 0){
    		if(operator.Call(this)) {
    			Transfer();
    		}
    		else
    		{
    			try {
					Thread.sleep(1000);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
    		}
    	}
    	else {
    		if (distance >= number*10 && !turn){
                if (operator.Call(this)){
                    Transfer();
                }
                else {
                    Turn();
                }
            }
            else if (distance >= (number-1)*10 && turn){
                Turn();
                }
            }
    	}
    }

    public void Move(){
         try {
            Thread.sleep(1000);
        } catch(InterruptedException ex) {
            Thread.currentThread().interrupt();
            System.out.println("fuck " + index);
        }
        if (turn){
            distance-=speed;
        }
        else{
            distance+=speed;
        }
    }

    public void Transfer(){
        number++;
        System.out.println("Самолет "+ index +" перешел на следующий " + number + " участок, маршрут " + route);
    }

    public void Turn(){
        System.out.println("Самолет "+ index + " кружит.");
        turn = !turn;
    }

    public void run(){
        while (true) {
            if (number<150) {
                if (number!=0) Move();
                Check();
            }
            else {
                System.out.println("Самолет " + index + " закончил полет.");
                break;
            }
        }
    }
}
 class Operator extends Thread{
  int [][] path = new int[150][3];
  Airplane[] airplane;
  public static boolean BUZY = false;

  Operator (Airplane[] airplane_) {
	  airplane = airplane_;
  }

  public synchronized boolean Call(Airplane airplane) {
	  BUZY = true;
	  System.out.println("Самолет "+ airplane.index +" связался с диспетчером.");
	  try {
	      Thread.sleep(1000);
	  } catch(InterruptedException ex) {
	      System.out.println("fuck " + airplane.index);
	      Thread.currentThread().interrupt();
	  }

	  if (airplane.number==0) {
		  System.out.println("Самолет " + airplane.index + " запросил взлет.");
		  for (int i = 0; i<3; i++){
			   if (path[0][i]==0) {
			       airplane.route = i+1;
			       path[0][i] = 1;
			       BUZY = false;
			       notifyAll();
			       return true;
			   }
			   else
			   {
				  try {
					   airplane.wait();
					   BUZY = false;
				       return false;
				  } catch (InterruptedException e) {
					   e.printStackTrace();
				  }
			   }
		  }
	  }
	  else {
		  for (int i = 0; i<3; i++){
			   if (path[airplane.number][i]==0) {
			       path[airplane.number - 1][airplane.route - 1] = 0;
			       airplane.route = i+1;
			       if (airplane.number < 148) {
			    	   path[airplane.number][i] = 1;
			       }
			       else {
			    	   path[airplane.number][i] = 0;}
			       BUZY = false;
			       notifyAll();
			       return true;
			   }
		  }
	  }
	  BUZY = false;
      notifyAll();
	  return false;
  }

  public void run()
  {
  }
}