package at.fhooe.mcm;

import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;

public class DrawingWindow implements WindowListener, ItemListener, MouseListener{

    private DrawingPanel drawingPanel;
    private boolean isRectangle;
    private boolean isLine;
    private boolean isDashedRectangle;
    private boolean isDashedLine;
    private Point prev = null;

    public DrawingWindow(){
        Frame frame = new Frame();
        frame.setSize(640, 480);
        frame.setLayout(new BorderLayout());

        drawingPanel = new DrawingPanel();
        drawingPanel.setBackground(Color.LIGHT_GRAY);

        frame.add(drawingPanel, BorderLayout.CENTER);
        frame.addWindowListener(this);

        CheckboxGroup groupCheckBox = new CheckboxGroup();

        Checkbox rect = new Checkbox("Rectangle", groupCheckBox, true);
        Checkbox line = new Checkbox("Line", groupCheckBox, false);
        Checkbox dashedLine = new Checkbox("Dashed line", groupCheckBox, false);
        Checkbox dashedRectangle = new Checkbox("Dashed rectangle", groupCheckBox, false);
        isRectangle = true;

        rect.addItemListener(this);
        line.addItemListener(this);
        dashedLine.addItemListener(this);
        dashedRectangle.addItemListener(this);
        drawingPanel.addMouseListener(this);

        drawingPanel.add(rect);
        drawingPanel.add(line);
        drawingPanel.add(dashedLine);
        drawingPanel.add(dashedRectangle);
        frame.setVisible(true);
    }

    @Override
    public void itemStateChanged(ItemEvent e) {
        if (e.getStateChange() == ItemEvent.SELECTED){
            Checkbox checkBox = (Checkbox) e.getSource();

            if (checkBox.getLabel() == "Rectangle"){
                isRectangle = true;
                isLine = false;
                isDashedRectangle = false;
                isDashedLine = false;
            }else if(checkBox.getLabel() == "Line"){
                isLine = true;
                isRectangle = false;
                isDashedLine = false;
                isDashedRectangle = false;
            }else if (checkBox.getLabel() == "Dashed line"){
                isDashedLine = true;
                isLine = false;
                isRectangle = false;
                isDashedRectangle = false;
                System.out.println(isDashedLine);
            }else if (checkBox.getLabel() == "Dashed rectangle"){
                isDashedRectangle = true;
                isDashedLine = false;
                isLine = false;
                isRectangle = false;
                System.out.println(isDashedRectangle);
            }else{
                System.out.println("other");
            }
        }
    }

    @Override
    public void windowOpened(WindowEvent e) {

    }

    @Override
    public void windowClosing(WindowEvent e) {
        System.exit(0);
    }

    @Override
    public void windowClosed(WindowEvent e) {

    }

    @Override
    public void windowIconified(WindowEvent e) {

    }

    @Override
    public void windowDeiconified(WindowEvent e) {

    }

    @Override
    public void windowActivated(WindowEvent e) {

    }

    @Override
    public void windowDeactivated(WindowEvent e) {

    }

    @Override
    public void mouseClicked(MouseEvent e) {
        if (isRectangle){
            int x = e.getX();
            int y = e.getY();
            drawingPanel.drawRectangle(x,y);
        }else if(isLine){
            if (prev == null){
                prev = e.getPoint();
            }else{
                drawingPanel.drawLine(prev, e.getPoint());
                prev = null;
            }
        }else if (isDashedLine){
            System.out.println(isDashedLine);
        }
        drawingPanel.repaint();
    }

    @Override
    public void mousePressed(MouseEvent e) {

    }

    @Override
    public void mouseReleased(MouseEvent e) {

    }

    @Override
    public void mouseEntered(MouseEvent e) {

    }

    @Override
    public void mouseExited(MouseEvent e) {

    }
}