package ui.view;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.ArrayList;
import java.awt.Point;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;

import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiNilLoader.Array;

import classes.CpsObject;
import ui.controller.Control;
import ui.model.Model;

class UnitGraph extends JPanel implements MouseListener, MouseMotionListener, ComponentListener {

	private final int NUMBER = 50;
	private static final long serialVersionUID = 1L;
	private Control controller;
	private Model model;
	private Graphics2D g2;
	Point[] pointList = new Point[NUMBER];

	private boolean pointDrag = false;
	private int tempP;

	public UnitGraph(final Model model, Control control) {
		
		this.controller = control;
		this.model = model;
		for (int i = 0; i < pointList.length; i++) {
			pointList[i] = new Point(0,0);
		}
		this.addMouseListener(this);
		this.addMouseMotionListener(this);
		this.addComponentListener(this);
	}

	/**
	 * Paints all Components on the Canvas
	 * 
	 * @param Graphics
	 * 
	 */
	public void paintComponent(Graphics g) {
		super.paintComponent(g);
		g2 = (Graphics2D) g;
		RenderingHints rh = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
		g2.setRenderingHints(rh);
		g2.setStroke(new BasicStroke(1));
		
		g2.setColor(Color.LIGHT_GRAY);
		for (int i = 0; i < pointList.length; i++) {
			g2.drawLine((int)pointList[i].getX(), 0, (int)pointList[i].getX(), this.getHeight());
		}
		
		g2.setColor(Color.BLACK);
		g2.setStroke(new BasicStroke(2));
		for (int i = 0; i < pointList.length-1; i++) {
			g2.drawLine((int)pointList[i].getX(), (int)pointList[i].getY(), (int)pointList[i+1].getX(), (int)pointList[i+1].getY());
		}
	}

	@Override
	public void mouseDragged(MouseEvent e) {
		if (pointDrag && e.getY()>= this.getHeight()/3) {
			pointList[tempP].setLocation(pointList[tempP].getX(), e.getY());
		}
		repaint();
	}

	@Override
	public void mouseMoved(MouseEvent e) {
		// TODO Auto-generated method stub
	}

	@Override
	public void mouseClicked(MouseEvent e) {
		// TODO Auto-generated method stub
	}

	@Override
	public void mouseEntered(MouseEvent e) {
		// TODO Auto-generated method stub
	}

	@Override
	public void mouseExited(MouseEvent e) {
		// TODO Auto-generated method stub
	}

	@Override
	public void mousePressed(MouseEvent e){
		for (int i = 0; i < pointList.length; i++) {
			if(e.getX()-this.getWidth()/NUMBER/2<=pointList[i].getX() && e.getX()+this.getWidth()/NUMBER/2>=pointList[i].getX() && e.getY()-10<pointList[i].getY() && e.getY()+10>pointList[i].getY()){
				pointDrag = true;
				tempP = i;
			}
		}
	}

	@Override
	public void mouseReleased(MouseEvent e) {
		if (pointDrag) {
			pointDrag = false;
		}
	}

	public void componentResized(ComponentEvent e) {
		// resize listener
		System.out.println("resize");
		for (int i = 0; i < pointList.length; i++) {
			pointList[i] = new Point((i)*this.getWidth()/(NUMBER-1),this.getHeight()/3);
		}
		repaint();
	}

	@Override
	public void componentHidden(ComponentEvent e) {
	}

	@Override
	public void componentMoved(ComponentEvent e) {
		
	}

	@Override
	public void componentShown(ComponentEvent e) {
	}

}