package healthintensifies;
import javax.swing.*;
import java.util.Scanner;
import java.util.ArrayList;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.lang.Object;


public class Health  extends JPanel{
	private static double calories; 
	private static double weight;     // once every 2 days
	private static double height;     // once a month 
	private static String notification; 
	private static double BMI; 
	private static String feedback; 
	private static ArrayList<String> foodsItems; 
	private static boolean firstTime;

	public static void main (String[] args) { 
		firstTime = true;
		showOpeningBox();
		getInfo();
		homescreen(); 
	}

	public static double getBMI() { 
		double heightInMeters = height * 0.01; // convert from feet to meters
		double weightInKG = weight * 0.45359237;  // convert from lbs to kg
		double BMI = weightInKG/(heightInMeters * heightInMeters);
		return BMI; 
	}

	public Health(double w, double h, double cal) { 
		calories = cal; 
		height = h; 
		weight = w; 
		BMI = getBMI();
	}

	public static void showOpeningBox() { 
		JOptionPane.showMessageDialog(null,
				"Welcome to manGO!",
				"Welcome!",
				JOptionPane.INFORMATION_MESSAGE);
		JOptionPane.showMessageDialog(null,
				"Your personal health tracker app",
				"Welcome!",
				JOptionPane.INFORMATION_MESSAGE);
	}

	public static void getInfo() { 
		if (firstTime) {
			JOptionPane.showMessageDialog(null,
					"Before we start, let's get some information",
					"Welcome!",
					JOptionPane.INFORMATION_MESSAGE);
		}
		JTextField field1 = new JTextField(); 
		JTextField field2 = new JTextField(); 
		JTextField field3 = new JTextField(); 
		Object[] fields = {
				"Weight", field1, 
				"Height", field2,
				"Calories", field3
		}; 


		JOptionPane.showConfirmDialog(null, fields, "Your health", JOptionPane.OK_CANCEL_OPTION);
		if (field1.getText().trim().isEmpty()||field2.getText().trim().isEmpty()||field3.getText().trim().isEmpty()) { 
			JOptionPane.showMessageDialog(null,
					"It seems that you left one field blank. Please remember to enter all the values",
					"Error",
					JOptionPane.INFORMATION_MESSAGE);
			firstTime = false;
			getInfo();
		}
		Health u = new Health((double)(Double.valueOf(field1.getText().trim())),(double)(Double.valueOf(field2.getText().trim())),(double)(Double.valueOf(field3.getText().trim())));
	}

	public static void homescreen() { 
		JFrame f=new JFrame("Home");
		JButton a = new JButton("My Information");    
		a.setBounds(10,100,150, 70);  
		/*Distance from left, Distance from top,length of button, height of button*/
		JButton b = new JButton("Alternate Food Options");    
		b.setBounds(170,100,170, 70);
		JButton c = new JButton("Map");    
		c.setBounds(350,100,150, 70);
		JButton d = new JButton ("Log Out"); 
		d.setBounds(510,100,150,70);
		f.add(a);
		f.add(b);    
		f.add(c); 
		f.add(d);
		JLabel v = new JLabel("");
		v.setText("Hello");
//		v.setFont(font);
		JPanel p = new JPanel(); 
		p.add(v); 
		f.add(p);
		f.setSize(700,600);   
		f.setLayout(null);    
		f.getContentPane().setBackground(Color.orange);
		f.setVisible(true);  
		a.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				myInformation(f);
			}
		});
		b.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				OtherOptions(f);
			}
		});
		c.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				map(f);
			}
		});
		d.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				logOut(f);
			}
		});
	}
	public static void myInformation(JFrame g) { 
		g.setVisible(false);
		JFrame window = new JFrame("Your Information"); 
		JPanel panel=new JPanel ();

		JLabel l1= new JLabel ("Weight = " + weight + " lbs");
		l1.setFont(new Font("Verdana", Font.PLAIN, 18));
		JLabel l2= new JLabel("Height = " + height + " centimeters");
		l2.setFont(new Font("Verdana", Font.PLAIN, 18));
		
		JLabel l3= new JLabel("BMI = " + BMI  );
		l3.setFont(new Font("Verdana", Font.PLAIN, 18));
		panel.setPreferredSize(new Dimension(640, 480));
        panel.setVisible(true);
		panel.setBorder(BorderFactory.createLineBorder(Color.gray,10));
		panel.add(l1);
		l1.setHorizontalAlignment(JLabel.CENTER);
		panel.add(l2); 
		l2.setHorizontalAlignment(JLabel.CENTER);
		panel.add(l3);
		l3.setHorizontalAlignment(JLabel.CENTER);
		window.setLayout(new FlowLayout());
		panel.setPreferredSize(new Dimension (300,300));
		panel.setBackground(Color.red);
		window.add(panel, BorderLayout.WEST);
		window.setSize(400,400);
		
		if (BMI<=18) { 
			feedback = "You are Underweight"; 
		}
		else if (BMI<=24&&BMI>18)
			feedback = "Healthy"; 
		else if (BMI>24&&BMI<=29)
			feedback = "You are overweight"; 
		else if (BMI>29&&BMI<=39) { 
			feedback = "You are obsese"; 
		}
		else {
			feedback = "You are extremely obese";
		}
		JLabel l4 = new JLabel(feedback); 
		l4.setFont(new Font("Verdana", Font.PLAIN, 18));
		panel.add(l4); 
		l4.setHorizontalAlignment(JLabel.CENTER);
		JButton a = new JButton("Home");    
		a.setBounds(30,150,250,150);  
		panel.add(a);
		/*Distance from left, Distance from top,length of button, height of button*/
		window.setVisible(true);
		a.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				window.setVisible(false);
				homescreen();
			}
		});
		

	}

	public static void OtherOptions(JFrame g) { 
		g.setVisible(false);

	}
	public static void map(JFrame g) { 
		g.setVisible(false);
	}
	public static void logOut(JFrame f) { 
		f.setVisible(false);
	}
}