/*
 * Copyright (c) 2013, 2014, Oracle and/or its affiliates.
 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the distribution.
 *  - Neither the name of Oracle Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.javafx.experiments.jfx3dviewer;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

import javafx.beans.property.BooleanProperty;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.ObjectProperty;
import javafx.scene.control.Accordion;
import javafx.scene.control.TitledPane;
import javafx.scene.control.ToggleGroup;
import javafx.scene.paint.Color;

public class SessionManager {

    public final String SESSION_PROPERTIES_FILENAME;
    private static final boolean ENABLE_SAVE_SESSION = true;
    private String name;
    private Properties props = new Properties();

    private SessionManager(String name) {
        this.name = name;
        SESSION_PROPERTIES_FILENAME = name + "_session.properties";
    }

    private static SessionManager sessionManager;

    public static SessionManager createSessionManager(String name) {
        return sessionManager = new SessionManager(name);
    }

    public static SessionManager getSessionManager() {
        return sessionManager;
    }

    public Properties getProperties() {
        return props;
    }

    public void loadSession() {
        Reader reader = null;
        try {
            reader = new FileReader(SESSION_PROPERTIES_FILENAME);
            props.load(reader);
        } catch (FileNotFoundException ignored) {
        } catch (IOException ex) {
            Logger.getLogger(SessionManager.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (reader != null) {
                    reader.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(SessionManager.class.getName()).
                        log(Level.SEVERE, null, ex);
            }
        }
    }

    public void saveSession() {
        if (ENABLE_SAVE_SESSION) {
            try {
                props.store(new FileWriter(SESSION_PROPERTIES_FILENAME), name + " session properties");
            } catch (FileNotFoundException ignored) {
            } catch (IOException ex) {
                Logger.getLogger(SessionManager.class.getName()).
                        log(Level.SEVERE, null, ex);
            }
        }
    }

    public void bind(final BooleanProperty property, final String propertyName) {
        String value = props.getProperty(propertyName);
        if (value != null) property.set(Boolean.valueOf(value));
        property.addListener(o -> props.setProperty(propertyName, property.getValue().toString()));
    }

    public void bind(final ObjectProperty<Color> property, final String propertyName) {
        String value = props.getProperty(propertyName);
        if (value != null) property.set(Color.valueOf(value));
        property.addListener(o -> props.setProperty(propertyName, property.getValue().toString()));
    }

    public void bind(final DoubleProperty property, final String propertyName) {
        String value = props.getProperty(propertyName);
        if (value != null) property.set(Double.valueOf(value));
        property.addListener(o -> props.setProperty(propertyName, property.getValue().toString()));
    }

    public void bind(final ToggleGroup toggleGroup, final String propertyName) {
        try {
            String value = props.getProperty(propertyName);
            if (value != null) {
                int selectedToggleIndex = Integer.parseInt(value);
                toggleGroup.selectToggle(toggleGroup.getToggles().get(selectedToggleIndex));
            }
        } catch (Exception ignored) {
        }
        toggleGroup.selectedToggleProperty().addListener(o -> {
            if (toggleGroup.getSelectedToggle() == null) {
                props.remove(propertyName);
            } else {
                props.setProperty(propertyName, Integer.toString(toggleGroup.getToggles().indexOf(toggleGroup.getSelectedToggle())));
            }
        });
    }

    public void bind(final Accordion accordion, final String propertyName) {
        Object selectedPane = props.getProperty(propertyName);
        for (TitledPane tp : accordion.getPanes()) {
            if (tp.getText() != null && tp.getText().equals(selectedPane)) {
                accordion.setExpandedPane(tp);
                break;
            }
        }
        accordion.expandedPaneProperty().addListener((ov, t, expandedPane) -> {
            if (expandedPane != null) {
                props.setProperty(propertyName, expandedPane.getText());
            }
        });
    }

}