import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.List;
import java.util.logging.Logger;
import org.bukkit.Bukkit;
import org.bukkit.Server;
import org.bukkit.World;
import org.bukkit.WorldCreator;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

public class Caves
        extends JavaPlugin
{
    public void onEnable()
    {
        try
        {
            if (!Bukkit.getServer().getPluginManager().getPlugin("TerrainControl").isEnabled()) {
                Bukkit.getServer().getPluginManager().enablePlugin(Bukkit.getServer().getPluginManager().getPlugin("TerrainControl"));
            }
            FileConfiguration config = YamlConfiguration.loadConfiguration(new File("bukkit.yml"));
            config.set("worlds.uhc_world.generator", "TerrainControl");
            Bukkit.getLogger().info("The world 'uhc_world' is now being generated.");
            Bukkit.getServer().createWorld(new WorldCreator("uhc_world").generator("TerrainControl"));
            try
            {
                config.save(new File("bukkit.yml"));
            }
            catch (IOException localIOException) {}
            return;
        }
        catch (Exception localException) {}
    }

    public void onDisable()
    {
        if (Bukkit.getWorld("uhc_world").getPlayers().size() > 0)
        {
            for (Player player : Bukkit.getWorld("uhc_world").getPlayers())
            {
                player.teleport(Bukkit.getWorld("world").getSpawnLocation());
                player.sendMessage("�c?You have been teleported out of the world since it is being re-generated.");
            }
            return;
        }
        Bukkit.unloadWorld("uhc_world", false);
        File file = Bukkit.getWorld("uhc_world").getWorldFolder();
        deleteFileOrFolder(file.toPath());
    }

    public void delete(File file)
    {
        file.delete();
    }

    public static void deleteFileOrFolder(Path path)
    {
        try
        {
            Files.walkFileTree(path, new SimpleFileVisitor()
            {
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                        throws IOException
                {
                    Files.delete(file);
                    return FileVisitResult.CONTINUE;
                }

                public FileVisitResult visitFileFailed(Path file, IOException e)
                {
                    return handleException(e);
                }

                private FileVisitResult handleException(IOException e)
                {
                    e.printStackTrace();
                    return FileVisitResult.TERMINATE;
                }

                public FileVisitResult postVisitDirectory(Path dir, IOException e)
                        throws IOException
                {
                    if (e != null) {
                        return handleException(e);
                    }
                    Files.delete(dir);
                    return FileVisitResult.CONTINUE;
                }
            });
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
    }
}