Sokobot/src/main/java/me/polymarsdev/sokobot/util/GameUtil.java

package me.polymarsdev.sokobot.util;

import me.polymarsdev.sokobot.Bot;
import me.polymarsdev.sokobot.Game;
import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.entities.Message;
import net.dv8tion.jda.api.entities.MessageChannel;
import net.dv8tion.jda.api.entities.User;

import java.util.HashMap;
import java.util.Timer;
import java.util.TimerTask;

public class GameUtil {

    private static final HashMap<Long, Game> games = new HashMap<>();

    public static void setGame(long userId, Game game) {
        games.put(userId, game);
    }

    public static boolean hasGame(long userId) {
        return games.containsKey(userId);
    }

    public static Game getGame(long userId) {
        return games.get(userId);
    }

    public static void removeGame(long userId) {
        games.remove(userId);
    }

    public static void sendGameEmbed(MessageChannel channel, String level, String game, User user) {
        EmbedBuilder embed = new EmbedBuilder();
        embed.setTitle("Sokobot | Level " + level);
        embed.setDescription(game);
        embed.addField("Enter direction (``up``, ``down``, ``left``, ``right``/``wasd``), ``r`` to reset or ``mr`` to "
                               + "recreate the map", "", false);
        embed.addField("Player", user.getAsMention(), false);
        channel.sendMessage(embed.build()).queue();
    }

    public static void updateGameEmbed(Message message, String level, String game, User user) {
        EmbedBuilder embed = new EmbedBuilder();
        embed.setTitle("Sokobot | Level " + level);
        embed.setDescription(game);
        embed.addField("Enter direction (``up``, ``down``, ``left``, ``right``/``wasd``), ``r`` to reset or ``mr`` to "
                               + "recreate the map", "", false);
        embed.addField("Player", user.getAsMention(), false);
        message.editMessage(embed.build()).queue();
    }

    public static void sendWinEmbed(Guild guild, Message message, String level) {
        EmbedBuilder embed = new EmbedBuilder();
        embed.setTitle("Sokobot | You win!");
        embed.setDescription(
                "Type ``" + Bot.getPrefix(guild) + "continue`` to continue to Level " + level + " or ``" + Bot
                        .getPrefix(guild) + "stop`` to quit ");
        embed.setFooter("You can also press any reaction to continue.");
        message.editMessage(embed.build()).queue();
    }

    public static void runGameTimer() {
        new Timer().scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
                long now = System.currentTimeMillis();
                for (long playerId : games.keySet()) {
                    Game game = games.get(playerId);
                    long timeDifference = now - game.lastAction;
                    if (timeDifference > 10 * 60 * 1000) {
                        System.out.println("[INFO] Stopped inactive game of " + playerId);
                        game.stop();
                        GameUtil.removeGame(playerId);
                    }
                }
            }
        }, 10 * 60 * 1000, 60 * 1000);
    }
}