/*
 * Copyright 2011 Tyler Blair. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''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 AUTHOR 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 (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and contributors and should not be interpreted as representing official policies,
 * either expressed or implied, of anybody else.
 */

package com.griefcraft.util;

import com.griefcraft.lwc.LWC;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;

import java.net.URL;

public class Updater {

    @SuppressWarnings("deprecation")
    public void init() {
        final LWC lwc = LWC.getInstance();
        if (lwc.getConfiguration().getBoolean("core.updateNotifier", true)) {
            lwc.getPlugin().getServer().getScheduler().scheduleAsyncDelayedTask(lwc.getPlugin(), new Runnable() {
                public void run() {
                    Object[] updates = Updater.getLastUpdate();
                    if (updates.length == 2) {
                        lwc.log("[ModernLWC] New update avaible:");
                        lwc.log("New version: " + updates[0]);
                        lwc.log(
                                "Your version: " + LWC.getInstance().getPlugin().getDescription().getVersion());
                        lwc.log("What's new: " + updates[1]);
                    }
                }

            });
        }
    }

    final static String VERSION_URL = "https://api.spiget.org/v2/resources/2162/versions?size=" + Integer.MAX_VALUE
            + "&spiget__ua=SpigetDocs";
    final static String DESCRIPTION_URL = "https://api.spiget.org/v2/resources/2162/updates?size=" + Integer.MAX_VALUE
            + "&spiget__ua=SpigetDocs";

    public static Object[] getLastUpdate() {
        try {
            JSONArray versionsArray = (JSONArray) JSONValue
                    .parseWithException((new URL(String.valueOf(VERSION_URL))).toString());
            Double lastVersion = Double
                    .parseDouble(((JSONObject) versionsArray.get(versionsArray.size() - 1)).get("name").toString());

            if (lastVersion > Double.parseDouble(LWC.getInstance().getPlugin().getDescription().getVersion())) {
                JSONArray updatesArray = (JSONArray) JSONValue
                        .parseWithException((new URL(String.valueOf(DESCRIPTION_URL))).toString());
                String updateName = ((JSONObject) updatesArray.get(updatesArray.size() - 1)).get("title").toString();

                Object[] update = {lastVersion, updateName};
                return update;
            }
        } catch (Exception e) {
            return new String[0];
        }

        return new String[0];
    }
}