package cn.nukkit;

import java.util.ArrayList;
import java.util.Collection;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import cn.nukkit.command.CommandReader;
import cn.nukkit.network.protocol.ProtocolInfo;
import cn.nukkit.utils.MainLogger;
import cn.nukkit.utils.ServerKiller;

/**
 * `_   _       _    _    _ _
 * | \ | |     | |  | |  (_) |
 * |  \| |_   _| | _| | ___| |_
 * | . ` | | | | |/ / |/ / | __|
 * | |\  | |_| |   <|   <| | |_
 * |_| \_|\__,_|_|\_\_|\_\_|\__|
 */

/**
 * Nukkit启动类，包含{@code main}函数。<br>
 * The launcher class of Nukkit, including the {@code main} function.
 *
 * @author MagicDroidX(code) @ Nukkit Project
 * @author 粉鞋大妈(javadoc) @ Nukkit Project
 * @since Nukkit 1.0 | Nukkit API 1.0.0
 */
public class Nukkit {

    public final static String VERSION = "1.0dev";
    public final static String JUPITER_VERSION = ProtocolInfo.MINECRAFT_VERSION_NETWORK + ".2";
    public final static String API_VERSION = "1.0.0";
    public final static String CODENAME = "Jupiter";
    @Deprecated
    public final static String MINECRAFT_VERSION = ProtocolInfo.MINECRAFT_VERSION;
    @Deprecated
    public final static String MINECRAFT_VERSION_NETWORK = ProtocolInfo.MINECRAFT_VERSION_NETWORK;

    public final static String PATH = System.getProperty("user.dir") + "/";
    public final static String DATA_PATH = System.getProperty("user.dir") + "/";
    public final static String PLUGIN_PATH = DATA_PATH + "plugins";
    public static final long START_TIME = System.currentTimeMillis();
    public static boolean ANSI = true;
    public static boolean shortTitle = false;
    public static int DEBUG = 1;
    
    public static final String JAVA_VERSION = System.getProperty("java.version");

    private static Collection<Callable<Server>> jobs = new ArrayList<Callable<Server>>();
    private static ExecutorService threadpool = Executors.newFixedThreadPool(1);

    public static void main(String[] args) {
    	
        if(!(JAVA_VERSION.startsWith("1.8"))){
            System.out.println("[CRITICAL] This program runs on JRE(JRE) 1.8");
            System.out.println("[CRITICAL] You must use JRE(JDK) 1.8.");
            System.out.println("[CRITICAL] Java version: " + JAVA_VERSION);

            System.exit(0);
        }
        
        //Shorter title for windows 8/2012
        String osName = System.getProperty("os.name").toLowerCase();
        if (osName.contains("windows")) {
            if (osName.contains("windows 8") || osName.contains("2012")) {
                shortTitle = true;
            }
        }

        //启动参数
        for (String arg : args) {
            switch (arg) {
                case "disable-ansi":
                    ANSI = false;
                    break;
            }
        }

        MainLogger logger = new MainLogger(DATA_PATH + "server.log");

        System.out.println("Minecraft用 Jupiterサーバーを開始しています。");
        
        jobs.add(new Callable<Server>(){
            @Override
            public Server call() throws Exception {
                return new Server(logger, PATH, DATA_PATH, PLUGIN_PATH);
            }

        });

        try {
            threadpool.invokeAll(jobs);
            threadpool.shutdown();
            if(threadpool.awaitTermination(1L,TimeUnit.MINUTES)){// 1 minutes
                System.out.println("サーバーを停止しています...");
                logger.info("スレッドが停止しました。");

                for (Thread thread : java.lang.Thread.getAllStackTraces().keySet()) {
                    if (!(thread instanceof InterruptibleThread)) {
                        continue;
                    }
                    logger.debug("Stopping " + thread.getClass().getSimpleName() + " thread");
                    if (thread.isAlive()) {
                        thread.interrupt();
                    }
                }

                ServerKiller killer = new ServerKiller(8);
                killer.start();

                logger.shutdown();
                logger.interrupt();

                CommandReader.getInstance().removePromptLine();

                System.out.println("サーバーが停止しました。");

                System.exit(0);
            }else{
                System.out.println("サーバーの停止に失敗しました。");
            }
        } catch (InterruptedException e) {
            e.printStackTrace();
            threadpool.shutdown();
        }
    }

}