package eg.edu.alexu.csd.oop.VectorDrawing;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.print.Pageable;
import java.util.ArrayList;
import javax.naming.AuthenticationNotSupportedException;
import javax.swing.JComponent;
import javax.swing.*;
import java.awt.color.*;


public class Sketch extends JComponent {
	private Image image;
	  public Graphics2D graphic;
	  int OldX, OldY, CurrentX, CurrentY,
	  topLeftX, topLeftY;
	  private int FirstX, FirstY, SecondX, SecondY, ThirdX, ThirdY;
	  ArrayList<Shape> ShapeAdded = new ArrayList<Shape>();
	  ArrayList<ArrayList> pageLookLike = new ArrayList<ArrayList>();
  boolean lineClicked = false, freeClicked = true, squareClicked = false,
     rectangleClicked = false, triangleClicked = false, circleClicked = false,
	      ellipseClicked = false, triangleClicked1 = false,
	      triangleClicked2 = false, done = false, firstPoint = false,
      secondPoint = false, threePoint = false, clearSelected = false;
	  Color c;

	  public Sketch() {
	    setDoubleBuffered(false);

	    addMouseListener(new MouseAdapter() {

	      @Override
	      public void mousePressed(final MouseEvent e) {
	        OldX = e.getX();
	        OldY = e.getY();
	        if (triangleClicked && !done && !secondPoint && !threePoint
	            && !firstPoint) {
	          FirstX = e.getX();
	          FirstY = e.getY();
	          firstPoint = true;
	          // triangleClicked2 = true ;
	        }
 if (triangleClicked2 && firstPoint && secondPoint && triangleClicked) {
	          firstPoint = false;
	          done = false;
	          secondPoint = false;
	          triangleClicked2 = false;
	          ThirdX = e.getX();
	          ThirdY = e.getY();
	          graphic.drawLine(SecondX, SecondY, ThirdX, ThirdY);
	          repaint();
	          graphic.drawLine(FirstX, FirstY, ThirdX, ThirdY);
	          repaint();
	        }
	      }

	      public void mouseReleased(final MouseEvent e) {
	        // TODO Auto-generated method stub
	        CurrentX = e.getX();
	        CurrentY = e.getY();

	        if (lineClicked) {
	          Line line = new Line(OldX, OldY, CurrentX, CurrentY);
	          line.draw(graphic);
	          ShapeAdded.add(line);
	          pageLookLike.add(ShapeAdded);
	          repaint();
	        }

	        if (squareClicked) {

	        	if(OldX < CurrentX)
	        		topLeftX = OldX;
	        	else
	        		topLeftX = CurrentX;
	        	if(OldY < CurrentY)
	        		topLeftY = OldY;
	        	else
	        		topLeftY = CurrentY;

	      Rectangle rectangle = new Rectangle(topLeftX, topLeftY, Math.abs(CurrentX - OldX),
	    		  Math.abs(CurrentX - OldX));
	          rectangle.draw(graphic);
	          ShapeAdded.add(rectangle);
	          pageLookLike.add(ShapeAdded);
	          repaint();

	        }
	        if (rectangleClicked) {

         Rectangle rectangle = new Rectangle(OldX, OldY, CurrentX - OldX,
	              CurrentY - OldY);
	          rectangle.draw(graphic);
	          ShapeAdded.add(rectangle);
	          pageLookLike.add(ShapeAdded);
	          repaint();
	        }
	        if (ellipseClicked) {
	   Ellipse oval = new Ellipse(OldX, OldY, CurrentX - OldX, CurrentY
	              - OldY);
	          oval.draw(graphic);
	          ShapeAdded.add(oval);
	          pageLookLike.add(ShapeAdded);
	          repaint();

	        }
	        if (circleClicked) {
	   Circle circle = new Circle(OldX, OldY, CurrentX - OldX, CurrentX
	              - OldX);
	          circle.draw(graphic);
	          ShapeAdded.add(circle);
	          pageLookLike.add(ShapeAdded);
	          repaint();

	        }
	        if (triangleClicked) {
	          if (!done && !secondPoint && !threePoint && firstPoint) {
	            SecondX = e.getX();
	            SecondY = e.getY();
	            if (!((SecondX == FirstX) && (SecondY == FirstY))) {
		            secondPoint = true;
	            triangleClicked2 = true;
	                done = true;
	            }
	            graphic.drawLine(FirstX, FirstY, SecondX, SecondY);
	          }
	          repaint();

	        }
	      }
	    });

	    addMouseMotionListener(new MouseMotionAdapter() {

	      @Override
	      public void mouseDragged(final MouseEvent e) {
	        CurrentX = e.getX();
	        CurrentY = e.getY();
	        if (graphic != null && freeClicked && !lineClicked) {
	          graphic.drawLine(OldX, OldY, CurrentX, CurrentY);
	          repaint();
	          OldX = CurrentX;
	          OldY = CurrentY;
	        }
	        if (graphic != null && lineClicked) {
	          clear();
	          if (ShapeAdded.size() == 0) {
	              new Line(OldX, OldY, CurrentX, CurrentY).draw(graphic);

	          }
	          else
	          for (int i = 0; i < ShapeAdded.size(); i++) {
	            ShapeAdded.get(i).draw(graphic);
	            new Line(OldX, OldY, CurrentX, CurrentY).draw(graphic);
	          }
	          if (image == null) {
	            image = createImage(getSize().width, getSize().height);
	            graphic = (Graphics2D) image.getGraphics();
	            graphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
	                RenderingHints.VALUE_ANTIALIAS_ON);
	          }
	        }
	        repaint();

	        repaint();
	        if (graphic != null && rectangleClicked) {
	            clear();
	            if (ShapeAdded.size() == 0) {
new Rectangle(OldX, OldY, CurrentX - OldX, CurrentY - OldY).draw(graphic);

	            }
	            else
	            for (int i = 0; i < ShapeAdded.size(); i++) {
	              ShapeAdded.get(i).draw(graphic);
 new Rectangle(OldX, OldY, CurrentX - OldX, CurrentY - OldY).draw(graphic);
	            }
	            if (image == null) {
	              image = createImage(getSize().width, getSize().height);
	              graphic = (Graphics2D) image.getGraphics();
	              graphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
	                  RenderingHints.VALUE_ANTIALIAS_ON);
	            }
	          }
	        repaint();

	        if (graphic != null && ellipseClicked) {
	            clear();
	            if (ShapeAdded.size() == 0) {
 new Ellipse(OldX, OldY, CurrentX - OldX, CurrentY - OldY).draw(graphic);

	            }
	            else
	            for (int i = 0; i < ShapeAdded.size(); i++) {
	              ShapeAdded.get(i).draw(graphic);
 new Ellipse(OldX, OldY, CurrentX - OldX, CurrentY - OldY).draw(graphic);
	            }
	            if (image == null) {
	              image = createImage(getSize().width, getSize().height);
	              graphic = (Graphics2D) image.getGraphics();
	              graphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
	                  RenderingHints.VALUE_ANTIALIAS_ON);
	            }
	          }
	        repaint();
	        if (graphic != null && circleClicked) {
	            clear();
	            if (ShapeAdded.size() == 0) {
	 new Circle(OldX, OldY, CurrentX - OldX, CurrentX - OldX).draw(graphic);

	            } else
	            for (int i = 0; i < ShapeAdded.size(); i++) {
	              ShapeAdded.get(i).draw(graphic);
 new Circle(OldX, OldY, CurrentX - OldX, CurrentX - OldX).draw(graphic);
	            }
	            if (image == null) {
	              image = createImage(getSize().width, getSize().height);
	              graphic = (Graphics2D) image.getGraphics();
	              graphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
	                  RenderingHints.VALUE_ANTIALIAS_ON);
	            }
	          }
	        repaint();
	      }

	    });
	  }

	  protected void paintComponent(final Graphics e) {
	    if (image == null) {
	      image = createImage(getSize().width, getSize().height);
	      graphic = (Graphics2D) image.getGraphics();
	      graphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
	          RenderingHints.VALUE_ANTIALIAS_ON);
	      clear();

	    }
	    e.drawImage(image, 0, 0, null);
	  }

	  public void clear() {
		  if(clearSelected){
		  ShapeAdded = new ArrayList<Shape>();
		  pageLookLike.add(ShapeAdded);
		  clearSelected = false;
		  }
	    graphic.setPaint(Color.white);
	    graphic.fillRect(0, 0, getSize().width, getSize().height);
	    graphic.setPaint(Color.black);
	    repaint();
	  }
public void undo(){
	if( !(pageLookLike.size() == 0)){


	}
		}
public void redo(){


}
	  public void changecolor() {
	    graphic.setPaint(c);
	    repaint();
	  }

	}