package de.nexuslobby.utils;

import de.nexuslobby.NexusLobby;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class PlayerHider implements Listener {

    private final List<UUID> hidden = new ArrayList<>();

    @EventHandler
    public void onJoin(PlayerJoinEvent event) {
        if (!NexusLobby.getInstance().getConfig().getBoolean("hider.enabled", true)) return;

        var config = NexusLobby.getInstance().getConfig();
        Material material;
        try {
            material = Material.valueOf(config.getString("hider.item", "REDSTONE"));
        } catch (IllegalArgumentException e) {
            material = Material.REDSTONE;
        }
        int slot = config.getInt("hider.slot", 8);
        
        ItemStack item = new ItemStack(material);
        ItemMeta meta = item.getItemMeta();
        if (meta != null) {
            String allMsg = colorize(config.getString("hider.messages.all", "&aAlle Spieler"));
            meta.setDisplayName(allMsg);
            item.setItemMeta(meta);
        }
        
        event.getPlayer().getInventory().setItem(slot, item);
    }

    @EventHandler
    public void onInteract(PlayerInteractEvent event) {
        if (event.getAction() != Action.RIGHT_CLICK_AIR && event.getAction() != Action.RIGHT_CLICK_BLOCK) return;
        if (event.getItem() == null) return;
        if (!event.getItem().hasItemMeta()) return;
        if (event.getItem().getItemMeta() == null) return;
        if (!event.getItem().getItemMeta().hasDisplayName()) return;

        Player player = event.getPlayer();
        var config = NexusLobby.getInstance().getConfig();
        String allMsg = de.nexuslobby.utils.LangManager.get("hider_all");
        String noneMsg = de.nexuslobby.utils.LangManager.get("hider_none");

        if (event.getItem().getItemMeta().getDisplayName().equals(allMsg)) {
            // Verstecken
            hidden.add(player.getUniqueId());
            for (Player target : Bukkit.getOnlinePlayers()) player.hidePlayer(NexusLobby.getInstance(), target);
            updateItem(player, noneMsg);
            player.sendMessage(noneMsg);
        } else if (event.getItem().getItemMeta().getDisplayName().equals(noneMsg)) {
            // Zeigen
            hidden.remove(player.getUniqueId());
            for (Player target : Bukkit.getOnlinePlayers()) player.showPlayer(NexusLobby.getInstance(), target);
            updateItem(player, allMsg);
            player.sendMessage(allMsg);
        }
    }

    private void updateItem(Player player, String name) {
        ItemStack item = player.getInventory().getItemInMainHand();
        if (item == null || !item.hasItemMeta()) return;
        ItemMeta meta = item.getItemMeta();
        if (meta == null) return;
        meta.setDisplayName(name);
        item.setItemMeta(meta);
    }

    private String colorize(String s) {
        return s == null ? "" : s.replace("&", "§");
    }
}