package xyz.etztech.qol.listeners;

import com.nisovin.shopkeepers.api.ShopkeepersPlugin;
import com.nisovin.shopkeepers.api.shopkeeper.ShopkeeperRegistry;
import com.nisovin.shopkeepers.api.shopkeeper.admin.regular.RegularAdminShopkeeper;
import com.nisovin.shopkeepers.api.shopkeeper.offers.TradeOffer;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.SkullMeta;
import xyz.etztech.qol.QoL;
import xyz.etztech.qol.commands.CheckupCommand;

import java.util.*;

public class JoinListener implements Listener {

    private QoL plugin;

    public JoinListener(QoL plugin) {
        this.plugin = plugin;
        plugin.getServer().getPluginManager().registerEvents(this, plugin);
    }

    @EventHandler
    public void onJoin(PlayerJoinEvent event) {

        // First login
        final Player player = event.getPlayer();
        if (!player.hasPlayedBefore()) {
            Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, () -> {
                for (Player p : Bukkit.getServer().getOnlinePlayers()) {
                    if (player != p) {
                        p.sendMessage(ChatColor.GREEN + player.getName() + " is new here! Be sure to welcome them!");
                    } else {
                        p.sendMessage(ChatColor.GREEN + "Welcome, " + player.getName() + "! Check out /rules and then /apply!");
                    }
                }
            }, 30); // ~1.5 seconds
        }

        // Queue commands
        List<?> queues = plugin.getConfig().getList("queue");

        if (queues != null) {
            for (int i = 0; i < queues.size(); i++) {
                try {
                    LinkedHashMap queue = (LinkedHashMap) queues.get(i);
                    String permission = (String) queue.get("permission");
                    if (player.hasPermission(permission)) {
                        for (String command : (List<String>) queue.get("commands")) {
                            plugin.runTask(command.replace("<player>", player.getName()));
                        }
                    }
                } catch (Exception ignored) {
                }
            }
        }

        ShopkeepersPlugin shopkeepersAPI = plugin.getShopkeepersAPI();
        if (shopkeepersAPI != null && player.hasPermission("qol.head_shop")) {
            int shopKeeperID = plugin.getConfig().getInt("head_shop.id", -1);

            if (shopKeeperID != -1) {
                ShopkeeperRegistry shopkeeperRegistry = shopkeepersAPI.getShopkeeperRegistry();
                RegularAdminShopkeeper donorHeadShop =  (RegularAdminShopkeeper) shopkeeperRegistry.getShopkeeperById(shopKeeperID);

                if (donorHeadShop != null) {
                    // Remove the head if it already exists. This is done to refresh the skin of the head.
                    List<? extends TradeOffer> tradeOffers = new ArrayList<>(donorHeadShop.getOffers());
                    tradeOffers.removeIf(tradeOffer -> {
                        SkullMeta itemOfferMeta = (SkullMeta)tradeOffer.getResultItem().getItemMeta();
                        return itemOfferMeta.getOwningPlayer().getUniqueId() == player.getUniqueId();
                    });

                    donorHeadShop.setOffers(tradeOffers);

                    // Add the head to the shop
                    int diamondPrice = plugin.getConfig().getInt("head_shop.price", 2);
                    ItemStack playerHead = new ItemStack(Material.PLAYER_HEAD);
                    SkullMeta skullMeta = (SkullMeta) playerHead.getItemMeta();

                    skullMeta.setOwningPlayer(player);
                    skullMeta.setDisplayName(player.getDisplayName());
                    playerHead.setItemMeta(skullMeta);

                    TradeOffer donorHeadTrade = TradeOffer.create(playerHead, new ItemStack(Material.DIAMOND, diamondPrice), null);

                    donorHeadShop.addOffer(donorHeadTrade);
                }

            }

            CheckupCommand.join(player);

            }
    }

}