package Applicatie;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.TexturePaint;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;

import javax.imageio.ImageIO;
import javax.swing.JPanel;

import Listeners.Mouse;
import Listeners.MouseMotion;
import Listeners.MouseWheel;
import Objects.DrawObject;
import Objects.Entrance;
import Objects.Food;
import Objects.Path;
import Objects.Stage;
import Objects.Toilet;
import Objects.Wall;

@SuppressWarnings("serial")
public class Panel extends JPanel
{

	BufferedImage background;
	BufferedImage podiumImage, toiletImage, entranceImage, pathImage, wallImage, foodImage;

	private int panelInfox, panelInfoy, scrollfactor;

	private ArrayList<BufferedImage> panelInfo = new ArrayList<BufferedImage>();
	// private ArrayList<Object> panelTypes = new ArrayList<Object>();

	ArrayList<DrawObject> objects = new ArrayList<>();
	DrawObject dragObject = null;
	private DrawObject selectedObject;
	private String clickedOption = "drag";

	Point2D cameraPoint = new Point2D.Double(getWidth() / 2, getHeight() / 2);
	float cameraScale = 1;

	PropertiesPanel pp;

	Point2D lastClickPosition = new Point(0, 0);
	Point lastMousePosition = new Point(0, 0);
	Point2D selectionPosition = new Point(0,0);

	// how to nieuwe dingen aan het panel toe te voegen:
	// maak bufferedimage global aan, voeg er een image aan toe, en voeg de
	// image aan panelInfo toe en het object aan panelTypes.
	// en maak een case statement die een new Object returnt in
	// createNewDrawObject.

	public Point2D getSelectionPosition() {
		return selectionPosition;
	}

	public void setSelectionPosition(Point2D selectionPosition) {
		this.selectionPosition = selectionPosition;
	}

	Panel(PropertiesPanel pp)
	{
		this.pp = pp;
		pp.setPanel(this);
		try
		{
			background = ImageIO.read(new File("images/grass.jpg"));
			podiumImage = ImageIO.read(new File("images/stageIcon.png"));
			toiletImage = ImageIO.read(new File("images/wcIcon.png"));
			entranceImage = ImageIO.read(new File("images/entranceIcon.png"));
			pathImage = ImageIO.read(new File("images/pathIcon.png"));
			wallImage = ImageIO.read(new File("images/wallIcon.png"));
			foodImage = ImageIO.read(new File("images/foodIcon.png"));
		} catch (IOException e)
		{
			e.printStackTrace();
		}
		panelInfo.add(podiumImage);
		panelInfo.add(toiletImage);
		panelInfo.add(entranceImage);
		panelInfo.add(pathImage);
		panelInfo.add(wallImage);
		panelInfo.add(foodImage);

		panelInfox = 0;
		panelInfoy = 0;
		scrollfactor = 0;

		// objects.add(new Podium(new Point2D.Double(100, 100)));
		// objects.add(new Podium(new Point2D.Double(500, 100)));
		// objects.add(new Podium(new Point2D.Double(300, 400)));

		addMouseListener(new Mouse(this));

		addMouseMotionListener(new MouseMotion(this));

		addMouseWheelListener(new MouseWheel(this));
	}

	public int getPanelInfoLength()
	{
		int panelInfoLength = 0;
		for (BufferedImage image : panelInfo)
		{
			panelInfoLength += image.getWidth();
		}

		return panelInfoLength;
	}

	public DrawObject createNewDrawObject(int index)
	{
		switch (index)
		{

			case 0:
				return new Stage(null);
			case 1:
				return new Toilet(null);
			case 2:
				return new Entrance(null);
			case 3:
				return new Path(null);
			case 4:
				return new Wall(null);
			case 5:
				return new Food(null);
			default:
				return null;
		}
	}

	public void add(DrawObject dragObject)
	{
		objects.add(dragObject);
	}

	public void paintComponent(Graphics g)
	{
		super.paintComponent(g);
		Graphics2D g2 = (Graphics2D) g;
		g2.setClip(new Rectangle2D.Double(0, 0, getWidth(), 300));

		g2.drawLine(0, 150, getWidth(), 150);
		for (BufferedImage image : panelInfo)
		{
			g2.drawImage(image, panelInfox + scrollfactor, panelInfoy, null);
			panelInfox += image.getWidth();
		}
		panelInfox = 0;

		g2.setClip(new Rectangle2D.Double(0, 150, getWidth(), getHeight()));
		AffineTransform oldTransform = g2.getTransform();
		g2.setTransform(getCamera());

		TexturePaint p = new TexturePaint(background, new Rectangle2D.Double(0, 0, 100, 100));
		g2.setPaint(p);
		g2.fill(new Rectangle2D.Double(-1920, -1080, 3840, 2160));

		BasicStroke stroke = new BasicStroke(10);
		g2.setStroke(stroke);
		for (DrawObject o : objects)
		{
			o.draw(g2);
		}

		g2.setClip(null);
		g2.setTransform(oldTransform);
	}

	public AffineTransform getCamera()
	{
		AffineTransform tx = new AffineTransform();
		tx.translate(-cameraPoint.getX() + getWidth() / 2, -cameraPoint.getY() + getHeight() / 2);
		tx.scale(cameraScale, cameraScale);
		return tx;
	}

	public Point2D getClickPoint(Point point)
	{
		try
		{
			return getCamera().inverseTransform(point, null);
		} catch (NoninvertibleTransformException e1)
		{
			e1.printStackTrace();
		}
		return null;
	}

	public void setBackground(BufferedImage background)
	{
		this.background = background;
	}

	public ArrayList<DrawObject> getObjects()
	{
		return objects;
	}

	public void setObjects(ArrayList<DrawObject> objects)
	{
		this.objects = objects;
	}

	public DrawObject getDragObject()
	{
		return dragObject;
	}

	public void setDragObject(DrawObject dragObject)
	{
		this.dragObject = dragObject;
	}

	public Point2D getCameraPoint()
	{
		return cameraPoint;
	}

	public void setCameraPoint(Point2D cameraPoint)
	{
		this.cameraPoint = cameraPoint;
	}

	public float getCameraScale()
	{
		return cameraScale;
	}

	public void setCameraScale(float cameraScale)
	{
		this.cameraScale = cameraScale;
	}

	public Point2D getLastClickPosition()
	{
		return lastClickPosition;
	}

	public void setLastClickPosition(Point2D lastClickPosition)
	{
		this.lastClickPosition = lastClickPosition;
	}

	public Point getLastMousePosition()
	{
		return lastMousePosition;
	}

	public void setLastMousePosition(Point lastMousePosition)
	{
		this.lastMousePosition = lastMousePosition;
	}

	public BufferedImage getPodiumImage()
	{
		return podiumImage;
	}

	public void setPodiumImage(BufferedImage podiumImage)
	{
		this.podiumImage = podiumImage;
	}

	public ArrayList<BufferedImage> getPanelInfo()
	{
		return panelInfo;
	}

	public void setPanelInfo(ArrayList<BufferedImage> panelInfo)
	{
		this.panelInfo = panelInfo;
	}

	public int getScrollfactor()
	{
		return scrollfactor;
	}

	public void setScrollfactor(int scrollfactor)
	{
		this.scrollfactor = scrollfactor;
	}

	public int getPanelInfox()
	{
		return panelInfox;
	}

	public void setPanelInfox(int panelInfox)
	{
		this.panelInfox = panelInfox;
	}

	public PropertiesPanel getPP()
	{
		return pp;
	}

	public void update()
	{
		repaint();
	}

	public DrawObject getSelectedObject()
	{
		return selectedObject;
	}

	public void setSelectedObject(DrawObject selectedObject)
	{
		this.selectedObject = selectedObject;
	}

	public String getClickedOption()
	{
		return clickedOption;
	}

	public void setClickedOption(String clickedOption)
	{
		this.clickedOption = clickedOption;
	}

	public void removeObject(DrawObject o)
	{
		Iterator<DrawObject> itr = objects.iterator();
		while (itr.hasNext())
		{
			DrawObject nextObject = (DrawObject) itr.next();
			if (nextObject.equals(o))
			{
				pp.clearSelected();
				itr.remove();
			}
			repaint();
		}
	}
	
	public void clearObjectSelection() {
		for(DrawObject o : objects) {
			o.setSelected(false);
		}
	}
	
	public void checkCollision() {
		boolean collision = false;
		for(DrawObject o : getObjects()) {
			if(getSelectedObject().collision(o) && o != getSelectedObject()) {
				collision = true;
				getSelectedObject().setRectangleColor(Color.RED);
				break;
			}
			if(!collision) 
				getSelectedObject().setRectangleColor(Color.BLACK);
		}
	}
	
	
	
	
}