/*
 *  Copyright (C) 2010-2016 JPEXS
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.jpexs.decompiler.flash.gui;

import com.jpexs.decompiler.flash.configuration.Configuration;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.util.Locale;
import java.util.ResourceBundle;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import jsyntaxpane.DefaultSyntaxKit;

/**
 *
 * @author JPEXS
 */
public class SelectLanguageDialog extends AppDialog {

    private final JComboBox<Language> languageCombobox = new JComboBox<>();

    public String languageCode = null;

    protected static final String[] languages = new String[]{"en", "ca", "cs", "zh", "de", "es", "fr", "hu", "it", "nl", "pl", "pt", "pt-BR", "ru", "sv", "uk"};

    public SelectLanguageDialog() {
        setSize(350, 130);
        Container cnt1 = getContentPane();
        JPanel cnt = new JPanel();
        cnt1.setLayout(new BorderLayout());
        cnt1.add(cnt, BorderLayout.CENTER);

        String currentLanguage = Configuration.locale.get(Locale.getDefault().getLanguage());
        boolean found = false;
        int enIndex = 0;
        for (String code : languages) {
            String name = ResourceBundle.getBundle(AppStrings.getResourcePath(getClass()), Locale.forLanguageTag(code.equals("en") ? "" : code)).getString("language");
            if (name.length() > 1) {
                name = name.substring(0, 1).toUpperCase() + name.substring(1);
            }
            if (code.equals("en")) {
                enIndex = languageCombobox.getItemCount();
            }
            languageCombobox.addItem(new Language(code, name));
            if (code.equals(currentLanguage)) {
                languageCombobox.setSelectedIndex(languageCombobox.getItemCount() - 1);
                found = true;
            }
        }

        if (!found) {
            languageCombobox.setSelectedIndex(enIndex);
        }
        cnt.setBorder(new EmptyBorder(10, 10, 10, 10));
        cnt.setLayout(new BoxLayout(cnt, BoxLayout.Y_AXIS));
        JLabel langLabel = new JLabel(translate("language.label"));
        langLabel.setAlignmentX(0.5f);
        cnt.add(langLabel);
        languageCombobox.setAlignmentX(0.5f);
        cnt.add(languageCombobox);
        JPanel buttonsPanel = new JPanel(new FlowLayout());
        buttonsPanel.setAlignmentX(0.5f);
        JButton okButton = new JButton(translate("button.ok"));
        okButton.addActionListener(this::okButtonActionPerformed);
        JButton cancelButton = new JButton(translate("button.cancel"));
        cancelButton.addActionListener(this::cancelButtonActionPerformed);
        buttonsPanel.add(okButton);
        buttonsPanel.add(cancelButton);
        cnt.add(buttonsPanel);
        getRootPane().setDefaultButton(okButton);
        setModalityType(ModalityType.APPLICATION_MODAL);
        View.setWindowIcon(this);
        View.centerScreen(this);
        setTitle(translate("dialog.title"));
        pack();
        if (getWidth() < 350) {
            setSize(350, getHeight());
        }
    }

    private void okButtonActionPerformed(ActionEvent evt) {
        if (languageCombobox.getSelectedIndex() != -1) {
            languageCode = ((Language) languageCombobox.getSelectedItem()).code;
            String newLanguage = languageCode;
            if (newLanguage.equals("en")) {
                newLanguage = "";
            }
            Configuration.locale.set(newLanguage);
            reloadUi();
        }

        setVisible(false);
    }

    private void cancelButtonActionPerformed(ActionEvent evt) {
        setVisible(false);
    }

    public static void reloadUi() {
        View.execInEventDispatchLater(() -> {
            Locale.setDefault(Locale.forLanguageTag(Configuration.locale.get()));
            DefaultSyntaxKit.reloadConfigs();
            Main.initLang();
            Main.reloadApp();
        });
    }

    public static String[] getAvailableLanguages() {
        return languages;
    }

    public String display() {
        setVisible(true);
        return languageCode;
    }
}