/**
 * This program draws a bargraph comparing the rainfall every month in Philly and Seattle
 *
 * @Maria Abdelazim
 * @07/09/19
 */

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;
import java.awt.Dimension;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import java.awt.Font;
import java.awt.FontMetrics;

public class BarGraph {
    private JFrame frame;

    public BarGraph() {
        frame = new JFrame("Bar Graph");
        frame.setSize(600, 400);
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        frame.setPreferredSize(frame.getSize());
        frame.add(new DrawBars(frame.getSize()));
        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String... argv) {
        new BarGraph();
    }

    public static class DrawBars extends JPanel  implements MouseListener {
        /*
         * Declare Class Variables Here
         */
        int x = 20;
        int y = 200;
        double[] philly = {2.85,6.02,4.74,3.94,5.21,3.34,3.06,4.11,8.35,3.08,9.03,6.38};
        double[] seattle = {8.12,2.16,2.44,5.69,0.12,0.63,0.05,0.2,0.98,3.78,5.42,6.08};

        public DrawBars(Dimension dimension) {
            setSize(dimension);
            setPreferredSize(dimension);
            addMouseListener(this);

        }

        @Override
        public void paintComponent(Graphics g) {
            Graphics2D g2 = (Graphics2D)g;//g2 is the graphics object that we need to use
            //to draw things to the screen
            Dimension d = getSize();
            //create a background
            g2.setColor(Color.white);
            g2.fillRect(0, 0, d.width, d.height);
            /**/

            //hat
            Color purple= new Color(102,0, 102); //instance variable purple
            g2.setColor(purple);
            //philly rain bar graphs
            for (int i =  0; i < philly.length; i++) {
                double height = philly[i] * 10;
                double y = 200-height;
                g2.fillRect(x, (int)y, 5, (int)height);
                x += 15;
            }

            Color green = new Color(10,255, 102); //instance variable purple
            g2.setColor(green);
            //seattle Bar graphs
            x = 15;
            for (int i =  0; i < seattle.length; i++) {
                double height = seattle[i] * 10;
                double y = 200-height;
                g2.fillRect(x, (int)y, 5, (int)height);
                x += 15;
            }


            //display Text
            g2.setColor(purple);
            g2.setFont (new Font("TimesRoman", Font.PLAIN, 20));
            g2.drawString("Philadelphia" ,  10,30);//text to display, x and y coordinates
            g2.setColor(green);
            g2.drawString("Seattle" ,  200,30);

        }
        public void mousePressed(MouseEvent e) {
            x = e.getX();
            y = e.getY();

            repaint();//updates the paint method
        }

        public void mouseReleased(MouseEvent e) {
        }

        public void mouseEntered(MouseEvent e) {
        }

        public void mouseExited(MouseEvent e) {
        }

        public void mouseClicked(MouseEvent e) {
        }
    }
}