package skriptjava ;

/**
* You can use Bukkit imports here. It would still work.
*/
import org.bukkit.Bukkit ;
import org.bukkit.command.Command ;
import org.bukkit.command.CommandExecutor ;
import org.bukkit.command.CommandSender ;
import org.bukkit.entity.Player ;
import org.bukkit.event.EventHandler ;
import org.bukkit.event.Listener ;
import org.bukkit.event.player.PlayerJoinEvent ;
import org.bukkit.event.player.PlayerQuitEvent ;
import org.bukkit.plugin.Plugin ;

import java.util.HashSet ;
import java.util.UUID ;

/**
* A basic Java class, with a Bukkit Listener implemented to handle events.
*/
public class HelloWorld implements Listener, CommandExecutor {

    private HashSet <UUID > uuids ;
    private final Plugin skriptJava ;
    public HelloWorld (Plugin plugin ) {
        this. skriptJava = plugin ;
        uuids = new HashSet <> ( ) ;
    }

    /**
     * Every script must start with a load method. This will be called when a script is loaded.
     */
    public void load ( ) {
        System. out. println ( "Hello World! This is a Demo Java Skript" ) ;
        skriptJava. getServer ( ). getScheduler ( ). runTaskTimer (skriptJava, ( ) -> {
            for (Player player : Bukkit. getOnlinePlayers ( ) ) {
                player. sendMessage ( "You can even run scheduled scripts!" ) ;
            }
        }, 0L, 20L ) ;
    }

    /**
     * Every script can also have an unload method. This will be called when unloading the script,
     * and its better memory management. It is not necessary but it is recommended.
     */
    public void unload ( ) {
        uuids. clear ( ) ;
    }

    /**
     * You can handle events here by using normal @EventHandler annotations.
     */
    @EventHandler
    public void onJoin (PlayerJoinEvent e ) {
        uuids. add (e. getPlayer ( ). getUniqueId ( ) ) ;
        broadcast (e. getPlayer ( ). getUniqueId ( ), e. getPlayer ( ). getName ( ) ) ;
    }

    @EventHandler
    public void onLeave (PlayerQuitEvent e ) {
        uuids. remove (e. getPlayer ( ). getUniqueId ( ) ) ;
        broadcast (e. getPlayer ( ). getUniqueId ( ), e. getPlayer ( ). getName ( ) ) ;
    }

    private void broadcast (UUID uuid, String name ) {
        for (Player player : Bukkit. getOnlinePlayers ( ) ) {
            player. sendMessage (name + " (" + uuid + ") has joined the server!" ) ;
        }
    }

    /**
     * Handle commands using Bukkit CommandExecutor interface.
     */
    @Override
    public boolean onCommand (CommandSender commandSender, Command command, String s, String [ ] strings ) {
        commandSender. sendMessage ( "This is a Demo Java Skript command!" ) ;
        return false ;
    }

    /**
     * Running /demo will execute the onCommand method.
     */
    public String getCommand ( ) {
        return "demo" ;
    }
}