/*
 *   This file is a part of the SteamWar software.
 *
 *   Copyright (C) 2025 SteamWar.de-Serverteam
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package de.steamwar.misslewars.items;

import de.steamwar.misslewars.Config;
import net.md_5.bungee.api.ChatMessageType;
import net.md_5.bungee.api.chat.TextComponent;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.entity.ProjectileHitEvent;
import org.bukkit.event.entity.ProjectileLaunchEvent;
import org.bukkit.inventory.ItemFlag;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.potion.PotionEffectType;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public abstract class SpecialItem {

	private static final Random random = new Random();
	private static double count = 0;
	private static int consecutiveSupportItems = 0;

	private static List<SpecialItem> supportItems = new ArrayList<>();
	private static List<SpecialItem> missileItems = new ArrayList<>();

	SpecialItem() {
		if (this.isMissile()) missileItems.add(this);
		else supportItems.add(this);
	}

	private String materialName = null;
	public abstract ItemStack getItem();
	public abstract boolean handleUse(Player p);
	public void handleThrow(Entity e) {}
	public void handleHit(Entity e, Location l) {}
	public boolean isMissile() {
		return false;
	}

	public ItemStack createItem(Material material, String name, int amount, List<String> lore) {
		ItemStack item = new ItemStack(material, amount);
		ItemMeta meta = item.getItemMeta();
		assert meta != null;
		meta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
		meta.setLore(lore);
		meta.setDisplayName(name);
		item.setItemMeta(meta);
		return item;
	}

	public static boolean handleUse(ItemStack item, Player player) {
		if (player.hasPotionEffect(PotionEffectType.LEVITATION)) {
			player.spigot().sendMessage(ChatMessageType.ACTION_BAR, TextComponent.fromLegacyText("§cDu kannst dieses Item derzeit nicht nutzen!"));
			return false;
		}
		return handleUse(item, player, missileItems) || handleUse(item, player, supportItems);
	}

	private static boolean handleUse(ItemStack item, Player player, List<SpecialItem> items) {
		for (SpecialItem specialItem : items)
			if (item.isSimilar(specialItem.getItem())) return specialItem.handleUse(player);
		return false;
	}

	public static void handleThrow(ProjectileLaunchEvent e) {
		String name = e.getEntity().getClass().getName().toLowerCase();
		for (SpecialItem specialItem : supportItems) {
			if (specialItem.materialName == null)
				specialItem.materialName = specialItem.getItem().getType().name().toLowerCase();
			if (name.contains(specialItem.materialName))
				specialItem.handleThrow(e.getEntity());
		}
	}

	public static void handleHit(ProjectileHitEvent e) {
		String name = e.getEntity().getClass().getName().toLowerCase();

		Location location = null;
		if (e.getHitEntity() != null) location = e.getHitEntity().getLocation();
		else if (e.getHitBlock() != null) location = e.getHitBlock().getLocation();
		if (location == null) return;

		for (SpecialItem specialItem : supportItems) {
			if (name.contains(((CustomItem) specialItem).getScriptedItem().getEntityName())) {
				specialItem.handleHit(e.getEntity(), location);
			}
		}
	}

	public static ItemStack getRandomItem() {
		if (Config.MissileChance == 0) {
			return supportItems.get(random.nextInt(supportItems.size())).getItem();
		}
		if (Config.MissileChance == 1 || consecutiveSupportItems > 1) {
			consecutiveSupportItems = 0;
			return missileItems.get(random.nextInt(missileItems.size())).getItem();
		}

		double missileChance = Config.MissileChance + count * 0.1;
		if (random.nextDouble() > missileChance) {
			count += Config.MissileChance;
			consecutiveSupportItems++;
			return supportItems.get(random.nextInt(supportItems.size())).getItem();
		} else {
			count -= 1 - Config.MissileChance;
			return missileItems.get(random.nextInt(missileItems.size())).getItem();
		}
	}
}