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

class Registry extends JFrame{
	JTextArea mainText = new JTextArea();
	ArrayList<Person> allReg = new ArrayList<Person>();
	JRadioButton startNrRB = new JRadioButton("Startnr",true);
	JRadioButton timeRB = new JRadioButton("Time");
	JRadioButton ageRB = new JRadioButton("Age");
	JRadioButton nameRB = new JRadioButton("Name");
	
	Registry(){
		super("DSV Marathon Registry");
		setLayout(new BorderLayout());
		
		JPanel north = new JPanel();//north
		add(north, BorderLayout.NORTH);
		JLabel northLabel = new JLabel("DSV Kista Marathon");
		north.add(northLabel);//north ends TMP
		
		JScrollPane main = new JScrollPane(mainText);//center
		mainText.setLineWrap(true);
		add(main, BorderLayout.CENTER);//center ends TMP
		
		JPanel east = new JPanel(new GridLayout(2,1));//east
		JPanel sEast = new JPanel(new GridLayout(5,1));
		JLabel sort = new JLabel("Sort by:");
		JLabel blank = new JLabel("");
		east.add(blank);
		add(east, BorderLayout.EAST);
		east.add(sEast);
		sEast.add(sort);

		sEast.add(startNrRB);
		sEast.add(nameRB);
		sEast.add(ageRB);
		sEast.add(timeRB);
		
		ButtonGroup radioGroup = new ButtonGroup();
		radioGroup.add(startNrRB);
		radioGroup.add(nameRB);
		radioGroup.add(ageRB);
		radioGroup.add(timeRB);//east ends TMP
		
		JPanel south = new JPanel(new GridLayout(1,2));//south
		add(south, BorderLayout.SOUTH);
		JPanel southPan = new JPanel();
		JPanel nullPan = new JPanel(null);
		south.add(southPan);
		south.add(nullPan);
		JButton newBut = new JButton("New");
		southPan.add(newBut);
		newBut.addActionListener(new NewListener());
		JButton showBut = new JButton("Show");
		southPan.add(showBut);
		showBut.addActionListener(new ShowListener());
		JButton timeBut = new JButton("Time");
		southPan.add(timeBut);
		timeBut.addActionListener(new TimeListener());//south ends TMP
		
		setVisible(true);
		setSize(500,450);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}
	public class Form extends JPanel{
		JTextField nameField = new JTextField(15);
		JTextField countryField = new JTextField(15);
		JTextField ageField = new JTextField(5);
		
		Form(){
			setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
			JPanel top = new JPanel();
			add(top);
			JLabel nameLabel = new JLabel("Name: ");
			top.add(nameLabel);
			top.add(nameField);
			JPanel center = new JPanel();
			add(center);
			JLabel countryLabel = new JLabel("Country: ");
			center.add(countryLabel);
			center.add(countryField);
			JPanel bottom = new JPanel();
			add(bottom);
			JLabel ageLabel = new JLabel("Age: ");
			bottom.add(ageLabel);
			bottom.add(ageField);
		}//form
			String getFName(){
				return nameField.getText();
			}
			String getFCountry(){
				return countryField.getText();
			}
			String getFAge(){
				return(ageField.getText());
			}
	}//form class
	public class TimeForm extends JPanel{
		JTextField nrField = new JTextField(10);
		JTextField timeField = new JTextField(10);
		
		TimeForm(){
			setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
			JPanel top = new JPanel();
			add(top);
			JLabel nrLabel = new JLabel("Startnr: ");
			top.add(nrLabel);
			top.add(nrField);
			
			JPanel bottom = new JPanel();
			add(bottom);
			JLabel timeLabel = new JLabel("Time: ");
			bottom.add(timeLabel);
			bottom.add(timeField);
		}
		String getTNr(){
			return nrField.getText();
		}
		String getTTime(){
			return timeField.getText();
		}
	}
	class ShowListener implements ActionListener{
		public void actionPerformed(ActionEvent ave){
			mainText.setText("");
			if (startNrRB.isSelected()){
				Collections.sort(allReg, new StartCmp());					
				for(Person pers : allReg)
					mainText.append(pers.toString()+"\n");
			}else if (nameRB.isSelected()){
				Collections.sort(allReg, new NameCmp());
				for(Person pers : allReg)
					mainText.append(pers.toString()+"\n");
			}else if (ageRB.isSelected()){
				Collections.sort(allReg, new AgeCmp());
				for(Person pers : allReg)
					mainText.append(pers.toString()+"\n");
			}else if (timeRB.isSelected()){
				Collections.sort(allReg, new TimeCmp());
				for(Person pers : allReg){
					if(pers.getTime()>0)
						mainText.append(pers.toString()+"\n");
				}
			}
		}
	}
	class NewListener implements ActionListener{
		public void actionPerformed(ActionEvent ave){
			Form f = new Form();
			for(;;){
				boolean ok=true;
				try{
					int input = JOptionPane.showConfirmDialog(Registry.this,f,"Add new person",JOptionPane.OK_CANCEL_OPTION);
					
					if (input !=JOptionPane.YES_OPTION)
						return;
					String name = f.getFName();
					if(name.length()<1){
						JOptionPane.showMessageDialog(Registry.this, "You can not leave the name field empty");
						ok=false;
					}
					String country = f.getFCountry();
					if(country.length()<1){
						JOptionPane.showMessageDialog(Registry.this, "You can not leave the country field empty");
						ok=false;
					}
					int age = Integer.parseInt(f.getFAge());
					if (age>140||age<16||age==0){
						JOptionPane.showMessageDialog(Registry.this, "You have to be older than 15 and younger than 140");
						ok=false;
					}				
					if(ok){
						Person tmp = new Person(name,country,age);
						allReg.add(tmp);
						return;
					}
				}catch(NumberFormatException e){
					JOptionPane.showMessageDialog(Registry.this, "You have to add a number in the age field");
					ok=false;
				}

			}//for
		}//ave
	}//NewListener
	class TimeListener implements ActionListener{
		public void actionPerformed(ActionEvent ave){
			TimeForm f = new TimeForm();
			for(;;){
				boolean ok=true;
				try{
					int input = JOptionPane.showConfirmDialog(Registry.this,f,"Add a persons time",JOptionPane.OK_CANCEL_OPTION);
					if (input !=JOptionPane.YES_OPTION)
						return;
					int nr = Integer.parseInt(f.getTNr());
					double time = Double.parseDouble(f.getTTime());
					if(allReg.size()<1){
						JOptionPane.showMessageDialog(Registry.this, "No persons in the registry!");
						return;
					}
					for (Person tmp : allReg){//FEL HÄR
						if(tmp.getStart()==nr){//FEL HÄR
							tmp.setTime(time);//FEL HÄR
							ok=true;//FEL HÄR
							break;//FEL HÄR
						}else{
							ok=false;
						}
					}
					if(ok)
						return;
					if(!ok){	
						JOptionPane.showMessageDialog(Registry.this, "No person with that Start number");
						return;
					}
				}catch(NumberFormatException e){
					JOptionPane.showMessageDialog(Registry.this, "Bad input. Use numbers");
					ok=false;
				}
			}//for
		}//ave
	}//TimeListener
	class NameCmp implements Comparator<Person>{
		public int compare(Person p1, Person p2){
			return p1.getName().compareTo(p2.getName());
		}
	}
	class AgeCmp implements Comparator<Person>{
		public int compare(Person p1, Person p2){
			return p1.getAge() - p2.getAge();
		}
	}
	class TimeCmp implements Comparator<Person>{
		public int compare(Person p1, Person p2){
			return (int)(p1.getTime() - p2.getTime());
			/*double tmp = p1.getTime() - p2.getTime();
			if (tmp<0)
				return -1;
			else if(tmp>0)
				return +1;
			else
				return 0;*/
		}
	}
	class StartCmp implements Comparator<Person>{
		public int compare(Person p1, Person p2){
			return p1.getStart() - p2.getStart();			
		}
	}
	public static void main(String[]args){
		new Registry();
	}



}