package wave_generator;

import javax.swing.JFrame;

/**
 * @author Vul hier jouw naam in!
 * @version 1
 *
 */

public class WuppyWaver
{
    private JFrame aii_Frame;
    private AiiCanvas aii_Canvas;

    private int[] m_XPositions;
    private int[] m_YPositions;

    private int m_WuppyAmount;
    private int[] m_YHeadings;      // needed for 'opdracht 4' and 'opdracht 5'?

////////////////// YOUR CODE - START ///////////////////////

    // Use this space to declare your own instance
    // variables if you think you need them:



/////////////////// YOUR CODE - END ////////////////////////

    /**
     * Instanciates our WuppyWaver and initializes + runs it.
     *
     * @param args      Arguments (command line input)
     *
     */
    public static void main(String[] args)
    {
        WuppyWaver waver = new WuppyWaver();
        waver.aiiInitialize();
        waver.aiiCreateArrays();
        waver.onInitialize();

        waver.aiiRun();
    }

////////////////// YOUR CODE - START ///////////////////////

    /**
     * This method is called at the start of the program.
     * Here, we set the initial values of our arrays:
     */
    private void onInitialize()
    {
        // Use 'm_WuppyAmount' for the amount of wuppys. In aiiInitialize, this variable gets the value 10;
        int index = 0;
        while(index < m_XPositions.length) {
            m_YPositions[index] = 300;
            m_XPositions[index] = index * 60;
            m_YHeadings[index] = -1;
            index++;
        }
    }

    /**
     * This method is called about 60 times per second.
     * Here we change the position of our wuppys so they seem to move:
     */
    private void performStep()
    {
        int index = 0;
        while(index < m_XPositions.length) {
            if(m_YPositions[index] >= 600) {
                m_YHeadings[index] = -1;
            }
            else if(m_YPositions[index] < 1) {
                m_YHeadings[index] = 1;
            }
            m_YPositions[index] = m_YPositions[index] + m_YHeadings[index] * (index+1);

            index++;
        }
        // Use 'm_WuppyAmount' for the amount of wuppys. In aiiInitialize, this variable gets the value 10;

    }

/////////////////// YOUR CODE - END ////////////////////////

    private void aiiInitialize()
    {
        // Create a new frame and add our canvas to draw on:
        aii_Canvas = new AiiCanvas(this);

        aii_Frame = new JFrame("Wuppyyyy waverrrr.... !!!");
        aii_Frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        aii_Frame.getContentPane().add(aii_Canvas);
        aii_Frame.pack();
        aii_Frame.setVisible(true);
        m_WuppyAmount = 10;
    }

    private void aiiCreateArrays()
    {
        if (m_WuppyAmount > 0)
        {
            m_XPositions = new int[m_WuppyAmount];
            m_YPositions = new int[m_WuppyAmount];
            m_YHeadings = new int[m_WuppyAmount];   // needed for 'opdracht 4' and 'opdracht 5'?
        }
    }

    private void aiiRun()
    {
        while(true)
        {
            try
            {
                Thread.sleep(15);
            }
            catch(Exception e)
            {
                System.out.println("AII Thread Exception: " + e.getMessage());
            }
            performStep();
            aii_Frame.repaint();
        }
    }

    public int[] aiiGetXPositions()
    {
        return m_XPositions;
    }

    public int[] aiiGetYPositions()
    {
        return m_YPositions;
    }
}