package polaris.game.world;

import org.apache.commons.io.FileUtils;
import org.bukkit.Bukkit;
import org.bukkit.World;
import org.bukkit.WorldCreator;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;

import java.io.File;
import java.io.IOException;

public class MinigameWorld {

    private World world;
    private WorldHandler handler;
    private String templateWorld;

    private int playersNeeded;
    private int maxPlayers;

    public MinigameWorld(WorldHandler handler, String templateWorld) {
        this.handler = handler;
        this.templateWorld = templateWorld;
    }

    public int getPlayersNeeded() {
        return playersNeeded;
    }

    public int getMaxPlayers() {
        return maxPlayers;
    }

    // TODO: 4/30/2016 Async this?
    public void initialize() {
        if (!Bukkit.unloadWorld(Bukkit.getWorld(templateWorld), false)) {
            System.out.println("Failed to unload world " + templateWorld);
        }
        copyWorld();
        File uid = new File(new File(Bukkit.getWorldContainer(), "minigame"), "uid.dat");
        uid.delete();
        FileConfiguration cfg = handler.getConfiguration();
        playersNeeded = cfg.getInt(templateWorld + ".playersNeeded");
        maxPlayers = cfg.getInt(templateWorld + ".maxPlayers");
    }

    public void destroy() {
        destroyWorld();
        handler.worldUnloaded();
    }

    private void destroyWorld() {
        if (world.getPlayers().size() > 0) {
            for (Player p : world.getPlayers())
                handler.getManager().returnToLobby(p);
        }
        if (Bukkit.unloadWorld(world, false)) {
            File dir = new File(Bukkit.getWorldContainer(), "minigame");
            try {
                FileUtils.deleteDirectory(dir);
            } catch (IOException e) {
                this.handler.getPlugin().getLogger().warning("There was an error deleting the world! (" + e.getCause().toString() + ": " + e.getMessage() + ")");
            }
        } else {
            this.handler.getPlugin().getLogger().warning("Not deleting world as the world was not unloaded!");
        }
    }

    private void copyWorld() {
        File dest = new File(Bukkit.getWorldContainer(), "minigame");
        if (!dest.exists()) {
            dest.mkdirs();
        }
        WorldCreator newCreator = new WorldCreator("minigame");
        newCreator.seed(handler.getConfiguration().getLong(this.templateWorld + ".seed"));
        try {
            FileUtils.copyDirectory(new File(Bukkit.getWorldContainer(), this.templateWorld), dest);
        } catch (IOException e) {
            this.handler.getPlugin().getLogger().severe("There was an error copying the template world! (" + e.getCause().toString() + ": " + e.getMessage() + ")");
            return;
        }
        world = Bukkit.createWorld(newCreator);
    }

    public String getName() {
        return this.templateWorld;
    }

    public World getBukkitWorld() {
        return world;
    }
}