import greenfoot.*;
import java.awt.FileDialog;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)


/**
 * Write a description of class MyWorld here.
 * 
 * @author Marcus Jones 
 * @version 12/4/22
 */
public class MyWorld extends World
{
    
    public static void swap(int inArray[], int index1, int index2) 
	{
		int temp = inArray[index1];
		inArray[index1] = inArray[index2];
		inArray[index2] = temp;
	}
        
    public static int findMinIndex(int arr[], int fromIndex)
	{
		int minIndex = fromIndex;
		
		for(int searchIndex=fromIndex+1; searchIndex<arr.length; searchIndex++)
		{
			if (arr[searchIndex] < arr[minIndex])
				minIndex=searchIndex;
		}
		
		return(minIndex);
	}
	
    public static void sort(int arr[])
	{
		for (int targetIndex=0; targetIndex<arr.length; targetIndex++)
		{
			int minPos = findMinIndex(arr, targetIndex);
			swap(arr, minPos, targetIndex);
		}
	}
	
    /**
     * Constructor for objects of class MyWorld.
     * 
     */
    public MyWorld()
    {    
        super(800, 600, 1); 
    }
    
    public void act()
    {
        int delayCount = 0;
        if(Greenfoot.isKeyDown("l"))
        {
            prepare();
        } 
        
        if (Greenfoot.isKeyDown("N"))
        {
            
        }
        
        Boolean autoSort; 
         if (Greenfoot.isKeyDown("s"))
        {
            
            autoSort = true;// Remember to automatically sort.
            //delayCount = 250/barArray.length; // Delay value should be as calculated.
            //sort(values);
        }
    
        
    }
    
    public void prepare()
    {
        /**
         * Took the fileDialog from Lab6
         */
        FileDialog fd = null;
        fd = new FileDialog(fd, "Title for the GUI", FileDialog.LOAD);
        fd.setVisible(true);
 
        String filename = fd.getFile();  //what
        String path = fd.getDirectory(); //where
 
        String fullName = path + filename;
        
        File myFile = new File(fullName);
        Scanner reader;  // declare
        
        try  // attempt the following code
        {
            reader = new Scanner(myFile); // attempt to assign
        }
        
        catch(FileNotFoundException e)  // I know there might be a problem, I'm gonna catch it
        {
            System.out.println("User error on read file!");
            System.out.println(e);
            return;
        }
        
        int size = (int) reader.nextInt();
        int[] values = new int[size];
        int x3 = 800;
        int x1 = 800/size;
        int y1 = 600;
        
        for(int index = 0; index < size; index++)
        {
            int value = reader.nextInt();
            values[index] = value;
            
            int x2 = x1;
            x3 -= x2;
            int y = 600/size;
            int x = (int) values[index];
            //SortingBar bar = new SortingBar(x, y);
            addObject(new SortingBar(x,y),x3,y1);
        }
    
        fd.dispose();
        reader.close();
    }
}