package structure;


import java.util.*;
import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;


public class Node {
    public double x;       // center coords
    public double y;
    public double w;       // width and height
    public double h;

    String lbl;     // name
    String []text;  // description 
    Color nclr;
    Color bclr;
    Color tclr;
    int shape;      // determins shape of a node
    Bubble hint;    //hint that works on mouse over    
    boolean firstTime = true;
    Graph innerGraph; 

    public Node(){
       hint = new Bubble();
    }

    public boolean contains(Point p){
        int xval = (int)(x-w/2);
        int yval = (int)(y-h/2);

        Rectangle  box = new Rectangle(xval,yval,(int)w,(int)h);
        return (box.contains(p));         
    } 

    public Bubble addBubbleAttr(String[]s, Color c){
       hint.text = s;
       hint.setColor(c);
       return hint;
    }

    public void setColor(Color nc, Color bc, Color tc){
       nclr=nc;
       bclr=bc;
       tclr=tc;
    }   

    //draws node on a screen
    public void paintComponent (Graphics g){ 
        Graphics2D g2 = (Graphics2D) g;
        Font f = g2.getFont();
        FontMetrics fm = g2.getFontMetrics();
                         //Toolkit.getDefaultToolkit().getFontMetrics(f);
        BasicStroke stroke = new BasicStroke(2.0f);

        int ascent = fm.getAscent();
        int height = fm.getHeight();
        int x1=0,y1=0;

        if(firstTime){
            int maxwidth=0,maxheight=0;

            for (int j = 0; j < text.length; j ++) {
                int width = fm.stringWidth(text[j]);
                if(maxwidth < width)                  
                    maxwidth = width;                 
                maxheight = (int)(maxheight + 1.2*height);
            }
            maxheight=maxheight + height;
            maxwidth= maxwidth+20;
            w = maxwidth; 
            h = maxheight;
     
            firstTime = false;  
         }
    
        int xval = (int)(x-w/2);
        int yval = (int)(y-h/2);

       //draw rectangle
         //GradientPaint clrtogray = new GradientPaint(xval,yval,clr,xval,yval+(int)h,Color.gray);
         g2.setPaint(nclr);
         switch (shape) {
             case 1: g2.fill(new Rectangle2D.Double(xval,yval,(int)w,(int)h));
                     break;
             case 2: g2.fill(new Ellipse2D.Double(xval,yval,(int)w,(int)h));
                     break;
         }

       //draw border
         g2.setStroke(stroke);
         g2.setPaint(bclr);
         switch (shape) {
             case 1: g2.draw(new Rectangle2D.Double(xval,yval,(int)w,(int)h));
                     break;
             case 2: g2.draw(new Ellipse2D.Double(xval,yval,(int)w,(int)h));
                     break;
         }
       //draw text
         g2.setPaint(tclr);
        for (int j = 0; j < text.length; j ++) {
            x1 = xval + ((int)w - fm.stringWidth(text[j]))/2;
            y1 = (int)(yval + 1.2*(j+1)*height);
            g.drawString(text[j], x1, y1);

        }
    }

    public Graph getGraph(){
       return innerGraph;
    }

    public void addGraph(Graph gr){
       innerGraph = gr;
    }

    public void drawBubble(Graphics g){
       //draw bubble         
         if(hint.text!=null)  
            hint.paintComponent(g,(int)(x+w/2+5),(int)(y-h/2-5));
    }


    public void drawDocument(){}
    public void drawTriangle(){}
    public void drawCircle(){}

}