/**

 * The MIT License (MIT)

 *

 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

package com.oracle.chess.client.htmljava;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.Properties;

import net.java.html.json.ComputedProperty;

import net.java.html.json.Model;

import net.java.html.json.ModelOperation;

import net.java.html.json.Property;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

@Model(className = "Settings", properties = {

    @Property(name = "username", type = String.class),

    @Property(name = "password", type = String.class),

    @Property(name = "url", type = String.class),

})

class SettingsModel {

    private static final String SETTINGS = ".j1chess/html.properties";

    private static final String DEFAULT_URL = "ws://localhost:8080/chess/chessserver";

    @ComputedProperty static boolean validCredentials(String username, String password) {

        return username != null && password != null && !username.isEmpty() && !password.isEmpty();

    }

    @ModelOperation static void read(Settings s) {

        File prefs = new File(System.getProperty("user.home"), SETTINGS);

        try (FileInputStream is = new FileInputStream(prefs)) {

            Properties p = new Properties();

            p.load(is);

            s.setUsername(p.getProperty("username", ""));

            s.setPassword(p.getProperty("password", ""));

            s.setUrl(p.getProperty("url", DEFAULT_URL));

        } catch (Throwable ex) {

            s.setUsername("");

            s.setPassword("");

            s.setUrl(DEFAULT_URL);

        }

    }

    @ModelOperation static void write(Settings s, UI ui) {

        File prefs = new File(System.getProperty("user.home"), SETTINGS);

        prefs.getParentFile().mkdirs();

        try (FileOutputStream os = new FileOutputStream(prefs)) {

            Properties p = new Properties();

            p.setProperty("username", s.getUsername());

            p.setProperty("password", s.getPassword());

            p.setProperty("url", s.getUrl());

            p.store(os, "Java One Chess Preferences for HTML/Java Client");

        } catch (Throwable ex) {

            ui.setStatus("Cannot save preferences: " + ex.getMessage());

        }

    }

}