package me.kihei.firstplugin;

import org.bukkit.command.Command;
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.AsyncPlayerChatEvent;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.plugin.java.JavaPlugin;

import java.util.ArrayList;
import java.util.HashMap;

public final class FirstPlugin extends JavaPlugin {

    static ArrayList<Player> frozenList = new ArrayList<>();

    @Override
    public void onEnable() {
        //Creating the Movement Listener class
        MovementListener moveListener = new MovementListener(this); // Giving "this" as the parameter for the constructor

        //                                                                                      \/ The listener
        getServer().getPluginManager().registerEvents(moveListener, this);
        //                                                                                                                              /\ The plugin who is responsible for the listener

        // HOMEWORK:
        //frozenList.add(Player Object)
        //frozenList.remove(Player Object)
    }

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        //Can't actually be called under normal circumstances
        if (!command.getName().equals("freeze")) {
            sender.sendMessage("This command was not found!");
            return true; //Return true -> the plugin command was successfully terminated
        }

        //It can also be the console or a command block. Making sure that the sender is indeed a player
        if (!(sender instanceof Player)) {
            sender.sendMessage("Only players can send this command.");
            return true;
        }

        //Java still doesn't know for sure that sender is a player. So we enforce it. (CASTING)
        Player p = (Player) sender;

        //Checking if the player is currently inside the hashmap. If they aren't we know for sure they aren't frozen.
        if (!frozenList.contains(p)) {
            //Called if the player is not inside the frozen hashmap.
            frozenList.add(p);
        } else {
            //We check whether the player is frozen or not
            frozenList.remove(p);
        }
        return true;
        //Lets minecraft know that the code successfully terminated
    }
}