public class ArenaManager {
    private final Map<Integer, Arena> arenas;
    private final Map<UUID, Integer> playerToIDMap;
    private FileConfiguration config = null;
    private final Main plugin;
    public ArenaManager(Main plugin)
    {
        this.plugin = plugin;
        arenas = new HashMap<>();
        playerToIDMap = new HashMap<>();
    }

    public void createArena(int ID, String arenaName){
        if(!arenaExist(ID)){
            Arena arena = new Arena(ID, arenaName, false, null, null, null);
            arenas.put(ID, arena);
        }
    }

    public void saveArenas(){
        for(Arena arena: arenas.values())
        {
            config = plugin.getYamlFileManager().getYamlFile("arenadata.yml").getFileConfiguration();
            config.set("arenas", arena.getID());
            config.set("arenas." + arena.getID() + ".arenaName", arena.getArenaName());
            config.set("arenas." + arena.getID() + ".activated", arena.isActivated());
            config.set("arenas." + arena.getID() + ".gameLocation", arena.getGameSpawn());
            config.set("arenas." + arena.getID() + ".endLocation", arena.getEndSpawn());
            config.set("arenas." + arena.getID() + ".lobbyLocation", arena.getLobbySpawn());

            MessageManager.sendMessage(ChatColor.GREEN, "Saved arena " + arena.getArenaName());
        }
    }

    public void loadArenas(){
        config = plugin.getYamlFileManager().getYamlFile("arenadata.yml").getFileConfiguration();
        ConfigurationSection section = config.getConfigurationSection("arenas");

        for(String key: section.getKeys(false))
        {
            int id = Integer.parseInt(key);
            String arenaName = config.getString("arenas." + id + ".arenaName");
            boolean activated = config.getBoolean("arenas." + id + ".activated");
            Location gameLocation = config.getLocation("arenas." + id + ".gameLocation");
            Location endLocation = config.getLocation("arenas." + id + ".endLocation");
            Location lobbyLocation = config.getLocation("arenas." + id + ".lobbyLocation");

            Arena arena = new Arena(id, arenaName, activated, gameLocation, lobbyLocation, endLocation);
            MessageManager.sendMessage(ChatColor.GREEN, "Found arena " + arenaName);

            if(activated){
               arena.setGameState(GameState.LOBBY);
            }
        }
    }

    public Arena getArena(int ID)
    {
        if(arenaExist(ID))
        {
            return arenas.get(ID);
        }
        return null;
    }

    public boolean arenaExist(int ID)
    {
        return arenas.containsKey(ID);
    }


    public Map<UUID, Integer> getPlayerToIDMap() {
        return playerToIDMap;
    }
}