import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.scheduler.BukkitRunnable;

import java.util.*;



public class CoolKills extends JavaPlugin implements CommandExecutor, Listener {
    private Map<String, Integer> playerKills = new HashMap<>();
    private static final TimeZone MOSCOW_TIMEZONE = TimeZone.getTimeZone("Europe/Moscow");

    @Override
    public void onEnable() {
        getCommand("topkills").setExecutor(this);
        getCommand("givereward").setExecutor(this);
        getServer().getPluginManager().registerEvents(this, this);

        // Регистрируем задачу для очистки топа убийств каждый день в 22:00 по московскому времени
        BukkitRunnable dailyResetTask = new BukkitRunnable() {
            @Override
            public void run() {
                giveRewardToTopPlayer();
                resetTopKills();
            }
        };

        long now = System.currentTimeMillis();
        Calendar calendar = new GregorianCalendar(MOSCOW_TIMEZONE);
        calendar.set(Calendar.HOUR_OF_DAY, 22);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);

        long dailyResetTime = calendar.getTimeInMillis();
        long delay = dailyResetTime > now ? dailyResetTime - now : dailyResetTime + 24 * 60 * 60 * 1000 - now;

        dailyResetTask.runTaskTimer(this, delay, 24 * 60 * 60 * 20); // 20 ticks per second (1 second = 20 ticks)
    }

    @Override
    public void onDisable() {
    }

    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if (!isWithinTimeRange()) {
            sender.sendMessage(ChatColor.RED + "Команда работает только с 12:00 до 22:00 по МСК.");
            return true;
        }

        if (sender instanceof Player) {
            Player playerSender = (Player) sender;
            String senderName = playerSender.getName();

        if (cmd.getName().equalsIgnoreCase("topkills")) {
            sender.sendMessage("§e§l▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀");
            sender.sendMessage("§f");
            sender.sendMessage("§e§n За 1 игрока засчитывается максимум 1 килл.");
            sender.sendMessage("§e§n Киллы засчитываются только с версии 1.12.2!");
            sender.sendMessage("§f");
            sender.sendMessage("§d1. §a§n" + topPlayer + "§7  забил §d§n" + playerKills.get(topPlayer) + "§7 игроков.");
            sender.sendMessage("§f");
            sender.sendMessage("§a§n" + senderName + "§7  вы забили §d§n" + playerKills.get(senderName) + "§7 игроков.");
            sender.sendMessage("§f");
            sender.sendMessage("§e§n За 1 игрока засчитывается максимум 1 килл.");
            sender.sendMessage("§e§n Киллы засчитываются только с версии 1.12.2!");
            sender.sendMessage("§f");
            sender.sendMessage("§e§l▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀");

        }

        return true;

        } else if (cmd.getName().equalsIgnoreCase("givereward")) {
            giveRewardToTopPlayer();
            sender.sendMessage(ChatColor.GREEN + "Награда успешно начислена топ-игроку.");
            return true;
        }

        return false;
    }


    @EventHandler
    public void onPlayerDeath(PlayerDeathEvent event) {
        Player victim = event.getEntity();
        Player killer = victim.getKiller();

        // Проверяем, что убийство было осуществлено другим игроком
        if (killer != null) {
            addKill(killer);
        }
    }

    public void addKill(Player player) {
        String playerName = player.getName();
        playerKills.put(playerName, playerKills.getOrDefault(playerName, 0) + 1);

        if (playerKills.get(playerName) > topKills) {
            topPlayer = playerName;
            topKills = playerKills.get(playerName);
        }
    }

    public String[] getTopKills(int count) {
        return playerKills.entrySet().stream()
                .sorted(Map.Entry.<String, Integer>comparingByValue().reversed())
                .limit(count)
                .map(Map.Entry::getKey)
                .toArray(String[]::new);
    }


    private boolean isWithinTimeRange() {
        Calendar calendar = new GregorianCalendar(MOSCOW_TIMEZONE);
        int hour = calendar.get(Calendar.HOUR_OF_DAY);
        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
        return hour >= 12 && hour < 22 && dayOfWeek != Calendar.SUNDAY && dayOfWeek != Calendar.SATURDAY;
    }

    private void resetTopKills() {
        playerKills.clear();
        Bukkit.getConsoleSender().sendMessage(ChatColor.YELLOW + "[CoolKills] Top kills has been reset.");
    }

    private String topPlayer = null;
    private int topKills = 0;

    private void giveRewardToTopPlayer() {
        if (topPlayer != null) {
            int rewardAmount = isWeekend() ? 20000 : 10000;
            Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "p give " + topPlayer + " " + rewardAmount);
        }
    }

    private boolean isWeekend() {
        Calendar calendar = new GregorianCalendar(MOSCOW_TIMEZONE);
        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
        return dayOfWeek == Calendar.SUNDAY || dayOfWeek == Calendar.SATURDAY;
    }
}