package de.wwwu.awolf.view.listener;

import de.wwwu.awolf.presenter.Presenter;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Locale;


/**
 * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
 *
 * @Author: Armin Wolf
 * @Email: a_wolf28@uni-muenster.de
 * @Date: 10.09.2017.
 */
public class GenerateDataListener implements ActionListener {

    private Presenter presenter;
    private JDialog dialog;

    /**
     * Konstruktor
     *
     * @param presenter Presenter
     */
    public GenerateDataListener(Presenter presenter) {
        this.presenter = presenter;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        SwingUtilities.invokeLater(() -> {
            if (dialog == null || !dialog.isVisible()) {
                dialog = new JDialog();
                dialog.setTitle("generiere Datensatz");
                dialog.setAlwaysOnTop(true);
                NumberFormat numberFormat = NumberFormat.getNumberInstance(Locale.getDefault());
                DecimalFormat decimalFormat = (DecimalFormat) numberFormat;
                decimalFormat.setGroupingUsed(false);
                JTextField textField = new JFormattedTextField(decimalFormat);
                textField.setColumns(10);
                textField.setText("20");
                JButton aproveButton = new JButton("start");
                String[] options = {"Punktwolke", "Gerade", "Kreis und Gerade"};
                JComboBox<String> datasetTypeComboBox = new JComboBox<>(options);
                dialog.setSize(350, 70);
                dialog.setLayout(new FlowLayout());
                dialog.setResizable(false);
                dialog.setLocationRelativeTo(presenter.getView());
                dialog.add(datasetTypeComboBox);
                dialog.add(textField);
                dialog.add(aproveButton);
                aproveButton.addActionListener(e1 -> {
                    int n = Integer.parseInt(textField.getText());
                    int type = datasetTypeComboBox.getSelectedIndex();
                    Thread t = new Thread(() -> presenter.generateDataset(n, type));
                    t.start();
                    dialog.dispose();
                });
                dialog.setVisible(true);
            }
        });


    }
}