package tudelft.mentalhealth.motivatepersisting;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Locale;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;

/**
 * An interactive example showing the {@link MotivationalAnswer}
 */
public class Example extends JFrame {
	private final ComboWithLabel<PclTrend> trend = new ComboWithLabel<PclTrend>(
			PclTrend.values(), "PCL Trend");
	private final ComboWithLabel<Trust> trust = new ComboWithLabel<Trust>(
			Trust.values(), "trust");
	private final JButton textButton = new JButton("make text");
	private final JTextArea text = new JTextArea(4, 50);
	private final Locale NL = new Locale("NL", "nl");
	private final Locale EN = new Locale("en", "");
	private final ComboWithLabel<Locale> locales = new ComboWithLabel<Locale>(
			new Locale[] { NL, EN }, "language");

	public Example() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		add(panel());

		textButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				Situation situation = new Situation(trend.getSelectedItem(),
						trust.getSelectedItem());
				Locale locale = locales.getSelectedItem();
				text.setText(
						new MotivationalAnswer(situation, locale).getText());
			}
		});

		pack();
		setVisible(true);

	}

	private JPanel panel() {
		JPanel panel = new JPanel(new BorderLayout());
		text.setWrapStyleWord(true);
		text.setLineWrap(true);
		panel.add(text, BorderLayout.CENTER);
		JPanel buttons = new JPanel(new FlowLayout());
		buttons.add(trend);
		buttons.add(trust);
		buttons.add(locales);
		buttons.add(textButton);
		panel.add(buttons, BorderLayout.SOUTH);

		return panel;
	}

	public static void main(String[] args) {
		new Example();
	}
}

/**
 * Combobox with a label
 *
 * @param <T> the element type of the combobox.
 */
@SuppressWarnings("serial")
class ComboWithLabel<T> extends JPanel {
	private JComboBox combo;

	public ComboWithLabel(T[] items, String label) {
		this.combo = new JComboBox<>(items);
		setLayout(new BorderLayout());
		add(new JLabel("     " + label), BorderLayout.NORTH);
		add(combo, BorderLayout.SOUTH);
	}

	@SuppressWarnings("unchecked")
	public T getSelectedItem() {
		return (T) combo.getSelectedItem();
	}
}