import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;

public class GUI_Driver extends JFrame {

	private static final long serialVersionUID = 1L;
	private JTextField jtfFName, jtfMName, jtfSName, jtfDOB, jtfSSN, jtfSerialNo;// ,
																					// jtfSearch
	private JRadioButton jrbMale, jrbFemale;
	private JComboBox<String> jcbSelect, jcbYear;
	private Container myContents;
	private JButton jGenerate, jUpdate, jCancel; // , jRemove, jSearch
	private ActionHandler buttonAction;
	private driver[] driver;
	private int tracker, index;
	private PrintWriter printToFile;
	private String carNum;

	GUI_Driver(String carNum) {

		super("Driver information");

		this.carNum = carNum;

		configureFrame();
		initialiseInstances();
		designInterface();

	}

	private void configureFrame() {

		this.setSize(600, 400);
		this.setLocationRelativeTo(null);
		this.setResizable(false);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		myContents = this.getContentPane();
	}

	private void initialiseInstances() {

		buttonAction = new ActionHandler();

		jtfFName = new JTextField(10);
		jtfMName = new JTextField(10);
		jtfSName = new JTextField(10);
		jtfDOB = new JTextField(10);
		jtfSSN = new JTextField(10);
		// jtfSearch = new JTextField(10);

		jtfSerialNo = new JTextField(10);
		jtfSerialNo.setText(carNum);

		jrbMale = new JRadioButton("Male");
		jrbMale.addActionListener(buttonAction);

		jrbFemale = new JRadioButton("Female");
		jrbFemale.addActionListener(buttonAction);

		jcbSelect = new JComboBox<String>();
		jcbSelect.addItem("Select");
		jcbSelect.addItem("Car");
		jcbSelect.addItem("Motorbike");
		jcbSelect.addItem("Truck");
		jcbSelect.addItem("Van");
		jcbSelect.setSelectedIndex(0);
		jcbSelect.setName("Type of Licence");

		jcbYear = new JComboBox<String>();
		for (int i = 2018; i > 1900; i--) {
			jcbYear.addItem(" " + i);
		}
		jcbYear.setSelectedIndex(0);
		jcbYear.setName("Year of Issue");

		jGenerate = new JButton("Update");
		jGenerate.addActionListener(buttonAction);

		jUpdate = new JButton("Clear");
		jUpdate.addActionListener(buttonAction);

		jCancel = new JButton("CANCEL");
		jCancel.addActionListener(buttonAction);

		// jRemove = new JButton("Remove Driver");
		// jRemove.addActionListener(buttonAction);

		// jSearch = new JButton("Search for Driver");
		// jSearch.addActionListener(buttonAction);

		driver = new driver[100];
		tracker = 0;
		index = -1;

		ButtonGroup group = new ButtonGroup();
		group.add(jrbMale);
		group.add(jrbFemale);

	}

	private void designInterface() {

		JPanel p1 = new JPanel();
		p1.setLayout(new GridLayout(8, 1));
		p1.add(new JLabel("First Name"));
		p1.add(new JLabel("Middle Name"));
		p1.add(new JLabel("Sur Name"));
		p1.add(new JLabel("Date of Birth"));
		p1.add(new JLabel("SSN"));
		p1.add(new JLabel("Gender"));
		p1.add(new JLabel("Licence Type"));
		p1.add(new JLabel("Year of Issue"));

		JPanel p2 = new JPanel();
		p2.setLayout(new FlowLayout());
		p2.add(jrbMale);
		p2.add(jrbFemale);

		JPanel p3 = new JPanel();
		p3.setLayout(new GridLayout(2, 1));
		p3.add(jcbSelect);
		p3.add(jcbYear);

		JPanel p4 = new JPanel();
		p4.setLayout(new GridLayout(8, 1));
		p4.add(jtfFName);
		p4.add(jtfMName);
		p4.add(jtfSName);
		p4.add(jtfDOB);
		p4.add(jtfSSN);
		p4.add(p2);
		p4.add(p3);

		JPanel p5 = new JPanel();
		p5.setLayout(new BorderLayout());
		p5.add(p1, BorderLayout.WEST);
		p5.add(p4, BorderLayout.EAST);

		p5.setBorder(BorderFactory.createTitledBorder(" "));

		JPanel p7 = new JPanel();
		p7.setLayout(new FlowLayout());
		p7.add(new JLabel(("Serial No.")));
		p7.add(jtfSerialNo);

		// JPanel search = new JPanel();
		// search.setLayout(new FlowLayout());
		// search.add(new JLabel("Search for Driver"));
		// search.add(jtfSearch);

		JPanel p8 = new JPanel();
		p8.setLayout(new GridLayout(3, 1));
		p8.add(jGenerate);
		// p8.add(jSearch);
		// p8.add(search);

		JPanel p10 = new JPanel();
		p10.setLayout(new BoxLayout(p10, BoxLayout.PAGE_AXIS));
		p10.add(p7);
		p10.add(p8);
		p10.setPreferredSize(new Dimension(200, 100));

		JPanel p11 = new JPanel();
		p11.setLayout(new FlowLayout());
		// p11.add(jRemove);
		p11.add(jUpdate);
		p11.add(jCancel);

		p11.setBorder(BorderFactory.createTitledBorder(" "));

		JPanel p12 = new JPanel();
		p12.setLayout(new BorderLayout());
		p12.add(p5, BorderLayout.WEST);
		p12.add(p10, BorderLayout.EAST);
		p12.add(p11, BorderLayout.SOUTH);

		myContents.add(p12);
	}

	public void writeToFile(JTextField FName, JTextField MName, JTextField SName, JTextField DOB, JTextField SSN,
			JRadioButton jrbmale, JRadioButton jrbFemale, JComboBox<String> jcbSelect, JComboBox<String> jcbYear,
			JTextField SNo) {

		FileWriter write;
		File myDriveFile = new File("/Users/VictoriaJansson/Desktop/DriverFile.txt");

		try {
			write = new FileWriter(myDriveFile, true);

			printToFile = new PrintWriter(write);
			printToFile.write(FName.getText());
			printToFile.write(", ");
			printToFile.write(MName.getText());
			printToFile.write(", ");
			printToFile.write(SName.getText());
			printToFile.write(", ");
			printToFile.write(DOB.getText());
			printToFile.write(", ");
			printToFile.write(SSN.getText());
			printToFile.write(", ");

			if (jrbFemale.isSelected()) {
				printToFile.write(jrbFemale.getText());
				printToFile.write(", ");
			} else {
				printToFile.write(jrbMale.getText());
				printToFile.write(", ");
			}
			printToFile.write(jcbSelect.getSelectedItem().toString());
			printToFile.write(", ");

			printToFile.write(jcbYear.getSelectedItem().toString());
			printToFile.write(", ");

			printToFile.println();
			printToFile.close();

		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public void addDriver() {

		String fName = jtfFName.getText().toString();
		String mName = jtfMName.getText().toString();
		String sName = jtfSName.getText().toString();

		int dob = Integer.parseInt(jtfDOB.getText().toString());
		int ssn = Integer.parseInt(jtfSSN.getText().toString());
		int sno = Integer.parseInt(jtfSerialNo.getText().toString());

		driver[tracker] = new driver(fName, mName, sName, dob, ssn, sno);
		JOptionPane.showMessageDialog(null, "You have now added a driver", "New Driver",
				JOptionPane.INFORMATION_MESSAGE);
		tracker++;
	}

	public void clearRButton() {

		ButtonGroup group = new ButtonGroup();
		group.add(jrbMale);
		group.add(jrbFemale);

		group.clearSelection();

	}

	public int searchDriver(int num) {

		for (int i = 0; i < tracker; i++) {
			if (driver[i].getsno() == num)
				index = i;
		}
		return index;
	}

	public int removeDriver(int num) {

		if (tracker == 0) {
			JOptionPane.showMessageDialog(null, "There are no drivers to remove", "No Drivers",
					JOptionPane.INFORMATION_MESSAGE);

		} else if (searchDriver(num) == -1) {
			JOptionPane.showMessageDialog(null, "The Driver was not found", "Unknown Driver",
					JOptionPane.INFORMATION_MESSAGE);

		} else {
			index = searchDriver(num);
		}

		driver[index] = driver[tracker - 1];
		driver[tracker - 1] = new driver();
		tracker--;

		FileWriter write;
		File myDriverFile = new File("/Users/VictoriaJansson/Desktop/DriverFile.txt");

		try {
			write = new FileWriter(myDriverFile, false);
			printToFile = new PrintWriter(write);

			for (int i = 0; i < tracker; i++) {

				driver x = driver[i];

				printToFile.write(x.getfName());
				printToFile.write(",");
				printToFile.write(x.getmName());
				printToFile.write(",");
				printToFile.write(x.getsName());
				printToFile.write(",");
				printToFile.write(x.getssn());
				printToFile.write(",");
				printToFile.write(x.getdob());
				printToFile.write(",");
				printToFile.write(x.getsno());

				printToFile.println();

			}

			printToFile.close();

		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		JOptionPane.showMessageDialog(null, "The Driver is deleted", "No Drivers", JOptionPane.INFORMATION_MESSAGE);
		return tracker;
	}

	public void getFile() {

		Scanner readData = null;
		String getDriver = "/Users/VictoriaJansson/Desktop/DriverFile.txt";
		File myFile = new File(getDriver);

		try {

			readData = new Scanner(myFile);
			while (readData.hasNextLine()) {

				String[] lineCont = readData.nextLine().split(",");

				driver[tracker] = new driver(lineCont[0], lineCont[1], lineCont[2], Integer.parseInt(lineCont[3]),
						Integer.parseInt(lineCont[4]), Integer.parseInt(lineCont[5]));
				// System.out.println(driver[tracker].toString());
				tracker++;
			}

			// FileWriter writeToFile = new FileWriter(myFile, true);
			// PrintWriter printData = new PrintWriter(writeToFile);
			// readData.close();
			// printData.close();

		} catch (FileNotFoundException e) {

			System.out.println("File not found");

		} catch (IOException e) {

			System.out.println("File cannot be read ");
		}
	}

	public class ActionHandler implements ActionListener {

		@Override

		public void actionPerformed(ActionEvent e) {

			String strAction = e.getActionCommand().toString();
			switch (strAction) {

			case "Update":

				addDriver();
				writeToFile(jtfFName, jtfMName, jtfSName, jtfDOB, jtfSSN, jrbMale, jrbFemale, jcbSelect, jcbYear,
						jtfSerialNo);

				break;

			case "Clear":

				jtfFName.setText("");
				jtfMName.setText("");
				jtfSName.setText("");
				jtfDOB.setText("");
				jtfSSN.setText("");
				jtfSerialNo.setText("");

				clearRButton();

				jcbYear.setSelectedIndex(0);
				jcbSelect.setSelectedIndex(0);

				break;

			case "Remove Driver":
				int hej = -1;

				writeToFile(jtfFName, jtfMName, jtfSName, jtfDOB, jtfSSN, jrbMale, jrbFemale, jcbSelect, jcbYear,
						jtfSerialNo);

				int sno = Integer.parseInt(jtfSerialNo.getText().toString());

				hej = removeDriver(sno);

				break;

			case "CANCEL":

				JOptionPane.showMessageDialog(null, "You chose to CANCEL", "Close", JOptionPane.INFORMATION_MESSAGE);
				System.exit(0);
				break;
			}
		}

		public class comboHandler implements ActionListener {

			@Override
			public void actionPerformed(ActionEvent event) {

				@SuppressWarnings("unchecked")
				String chStr = (String) (((JComboBox<String>) event.getSource()).getSelectedItem());
				System.out.println(chStr);

			}
		}
	}
}