//MonsterDriver.java
//do not make any changes.  Do not submit this file.

import javax.swing.*;

public class MonsterDriver {

    public static void main(String[] args) { 

	String command;
	//array of 100 Monster objects. 
	//no Monster objects created here, just the array elements (which are reference variables)
	//array elements automatically initialized to null.
	Monster [] theMonsters = new Monster[100];    
	String name;
	int size, points;
	
	do {
	    command = JOptionPane.showInputDialog("Enter command: \n" +
	        " Monster3\n MonsterCopy\n MonsterString\n equals\n increment\n" +
	        " toString\n number \nquit");
	
	    if (command.equalsIgnoreCase("Monster3")) {  //3-values constructor
		name   = JOptionPane.showInputDialog("Enter name");
		size   = Integer.parseInt(JOptionPane.showInputDialog("Enter size"));
		points    = Integer.parseInt(JOptionPane.showInputDialog("Enter points"));
		System.out.println("Constructor invoked with " + name + ":" + size + ":" + points);
		theMonsters[getIndex()] = new Monster(name,size,points);
	    }
	    else if (command.equalsIgnoreCase("MonsterString")) {  //  "string" constructor
		String stringMonster = JOptionPane.showInputDialog("Enter monster as name-size-points");
		System.out.println("Constructor invoked with " + stringMonster);
		theMonsters[getIndex()] = new Monster(stringMonster);
	    }
	    else if (command.equalsIgnoreCase("MonsterCopy")) {   //  copy constructor
		int fromIndex = Integer.parseInt(JOptionPane.showInputDialog("Enter index of object to copy from"));	
		System.out.println("copy Constructor invoked with " + theMonsters[fromIndex]);
		theMonsters[getIndex()] = new Monster(theMonsters[fromIndex]);
	    }
	    else if (command.equalsIgnoreCase("increment")) {   // mutate size
		int growth = Integer.parseInt(JOptionPane.showInputDialog("Enter growth"));	
		int i = getIndex();
		theMonsters[i].increment(growth);
	    }
	    else if (command.equalsIgnoreCase("equals")) {
		int objIndex = Integer.parseInt(JOptionPane.showInputDialog("Enter index of Monster object"));	
		int argIndex = Integer.parseInt(JOptionPane.showInputDialog("Enter index of argument Monster object"));	
		if (theMonsters[objIndex].equals(theMonsters[argIndex]))
		    System.out.println("objects are equal");
		else
		    System.out.println("objects are not equal");
	    }
	    else if (command.equalsIgnoreCase("toString")) {
		System.out.println("toString invoked: " + theMonsters[getIndex()]);
	    }
	    else if (command.equalsIgnoreCase("number")) {
		System.out.println("Number of monsters unleashed: " + Monster.getNumberMonsters());
	    }
		
	} while(!command.equalsIgnoreCase("quit"));

    } 
    
    
    //***input int from user for array index.
    //could add some checking to ensure index is valid...to avoid subsequent crash
    public static int getIndex() {
        return Integer.parseInt(JOptionPane.showInputDialog("Enter index of object to access"));
    }
    
}