public class P2_Printer{

    private int[] time = {0};   //Really hacky solution, but seems easier than wrapping in a custom object.
    private char printerMode = 'M';

    private P2_PrinterHead p1 = new P2_PrinterHead();
    private P2_PrinterHead p2 = new P2_PrinterHead();
    private P2_PrinterHead p3 = new P2_PrinterHead();


    public P2_Printer() 
    {
        //Nothing to set up.
    }

    public synchronized int requestHead()
    {
        int head = 1;
        int shortestTimeRemaining = p1.getTimeRemaining();
        
        if(shortestTimeRemaining > p2.getTimeRemaining())
        {
            shortestTimeRemaining = p2.getTimeRemaining();
            head = 2;
        }

        if(shortestTimeRemaining > p3.getTimeRemaining())
        {
            head = 3;
        }

        return head;
    }

    public boolean requestPrint(P2_Jobs jobInput, int headInput)
    {
        //Check if job can be done currently
        if(jobInput.getJobType()==printerMode)  //If the job matches the current printer mode
        {   
            //If there is an available head
            if(headInput==1)
            {
                //Send to a head to be printed and count the time
                int startTime = p1.print(jobInput, time);
                System.out.println("("+startTime+") "+jobInput.getId()+" uses head 1 (time: "+jobInput.getPages()+")");
                return true;
            }
            else if(headInput==2)
            {
                int startTime = p2.print(jobInput, time);
                System.out.println("("+startTime+") "+jobInput.getId()+" uses head 2 (time: "+jobInput.getPages()+")");
                return true;
            }
            else if(headInput==3)
            {
                int startTime = p3.print(jobInput, time);
                System.out.println("("+startTime+") "+jobInput.getId()+" uses head 3 (time: "+jobInput.getPages()+")");
                return true;
            }
            else
            {
                return false;
            }
        }
        else
        {
            //Keep waiting and asking
            return false;
        }
        
    }

}