Turrets

package coolboy.turret;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.GameMode;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.Particle;
import org.bukkit.Sound;
import org.bukkit.block.Block;
import org.bukkit.entity.ArmorStand;
import org.bukkit.entity.Arrow;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.entity.SpectralArrow;
import org.bukkit.entity.TippedArrow;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.player.PlayerArmorStandManipulateEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemFlag;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.PotionMeta;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.potion.PotionData;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.bukkit.potion.PotionType;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.util.EulerAngle;
import org.bukkit.util.Vector;

public class Main extends JavaPlugin implements Listener {
    String preffix = ChatColor.GRAY + "[" + ChatColor.GREEN + "Turret" + ChatColor.GRAY + "]" + ChatColor.DARK_GREEN + " ";
    String team = "none";
    boolean teams = false;
    List<Entity> stands = new ArrayList<>();
    Plugin plugin = this;
    int liveTime = 20*60*5;


    @Override
    public void onEnable() {
        Bukkit.getPluginManager().registerEvents(this, this);
        Bukkit.getLogger().info(preffix + "Enabled.");
    }

    @Override
    public void onDisable() {
        for (Entity standy : stands) {
            standy.remove();
        }
        Bukkit.getLogger().info(preffix + "Disabled.");
    }

    @EventHandler
    public void interactEvent(PlayerInteractEvent event) {
        Player player = event.getPlayer();
        int nearEntity = 0;
        if (event.getAction().equals(Action.RIGHT_CLICK_BLOCK)
                && event.getClickedBlock().getType().equals(Material.STRUCTURE_BLOCK)
                && event.hasItem()
                && event.getItem().getType().equals(Material.IRON_BARDING)
                && event.getItem().getItemMeta().getLore().contains("Створює Турель")) {
            Block block = event.getClickedBlock();
            Location location = block.getLocation();
            Collection<Entity> near = block.getLocation().add(0, 1, 0).getWorld().getNearbyEntities(block.getLocation(), 2, 2, 2);
            for (Entity st : near) {
                if (st instanceof ArmorStand && st.getName().startsWith("Турель")) {
                    nearEntity = 1;
                }
            }
            if (nearEntity == 0) {
                ArmorStand turret = (ArmorStand) location.getWorld().spawnEntity(location.add(0.5, 1, 0.5), EntityType.ARMOR_STAND);
                turret.getEquipment().setHelmet(new ItemStack(Material.DISPENSER, 1));
                turret.setSmall(true);
                turret.setInvulnerable(true);
                turret.setCustomName("Турель");
                turret.setGravity(false);
                turret.setCustomNameVisible(true);
                turret.setMetadata("turret", new FixedMetadataValue(this, true));
                turret.setMetadata("lived", new FixedMetadataValue(this, 0));
                turret.setMetadata("type", new FixedMetadataValue(this, "normal"));

                if (player.getScoreboard().getTeam("white").hasEntry(player.getName())) {
                    player.getScoreboard().getTeam("white").addEntry(turret.getUniqueId().toString());
                    team = "white";
                }
                if (player.getScoreboard().getTeam("black").hasEntry(player.getName())) {
                    player.getScoreboard().getTeam("black").addEntry(turret.getUniqueId().toString());
                    team = "black";
                }
                if ("none".equals(team)) {
                    teams = true;
                }
                runTurret(turret, team, player);
                stands.add(turret);
            }
        }
    }

    public void runTurret(ArmorStand turret, String team, Player player) {
        new BukkitRunnable() {
            @Override
            public void run() {

                if (turret.isDead()) {
                    stands.remove(turret);
                    this.cancel();
                }
                Location rotate = turret.getLocation();
                rotate.setYaw(0);
                List<Entity> list = turret.getNearbyEntities(7, 5, 7);
                for (Entity mob : list) {

                    if (mob instanceof Player) {
                        Player playery = (Player) mob;
                        if (       !mob.getName().equals(player.getName())
                                && !playery.getGameMode().equals(GameMode.SPECTATOR)
                                && !playery.getGameMode().equals(GameMode.CREATIVE)
                                && !playery.getScoreboard().getTeam(team).hasEntry(playery.getName())
                                ) {
                            Vector vector = mob.getLocation().toVector().subtract(turret.getLocation().toVector());

                            switch (turret.getMetadata("type").get(0).asString()) {
                                case "fire":
                                    launchArrow(turret, vector).setFireTicks(5000);;
                                    break;
                                case "slow":
                                    launchTippedArrow(turret, vector, new PotionEffect(PotionEffectType.SLOW, 200, 0));
                                    break;
                                case "poison":
                                    launchTippedArrow(turret, vector, new PotionEffect(PotionEffectType.POISON, 20, 0));
                                    break;
                                case "glow":
                                    turret.launchProjectile(SpectralArrow.class).setVelocity(vector);
                                    break;
                                default:
                                    launchArrow(turret, vector);
                                    break;
                            }

                            double dX = turret.getLocation().getX() - mob.getLocation().getX();
                            double dZ = turret.getLocation().getZ() - mob.getLocation().getZ();
                            double yaw = Math.atan2(dZ, dX) + Math.PI / 2;
                            turret.setHeadPose(new EulerAngle(0, yaw, 0));
                            /*
                    turret.teleport(new Location(turret.getLocation().getWorld(),
                            turret.getLocation().getX(),
                            turret.getLocation().getY(),
                            turret.getLocation().getZ(),
                            yaw, 0));*/
                            break;
                        }
                    }
                }
                turret.setMetadata("lived", new FixedMetadataValue(plugin, turret.getMetadata("lived").get(0).asInt() + 40));
                turret.setCustomName("Турель "+Integer.toString((liveTime-turret.getMetadata("lived").get(0).asInt())/20)+"с");
                if (turret.getMetadata("lived").get(0).asInt() > liveTime) {
                    turret.getLocation().getWorld().spawnParticle(Particle.EXPLOSION_NORMAL, turret.getLocation(), 300);
                    turret.getLocation().getWorld().playSound(turret.getLocation(), Sound.ENTITY_BLAZE_HURT, 50, 0);
                    turret.remove();
                    stands.remove(turret);
                    this.cancel();
                }
            }
        }.runTaskTimer(this, 0, 40);
    }

    @EventHandler
    public void stand(PlayerArmorStandManipulateEvent event) {
        Player player = event.getPlayer();
        if (event.getRightClicked().getName().equals("Турель")
                && event.getPlayer().getScoreboard().getTeam(team).hasEntry(player.getName())
                && event.getRightClicked().getMetadata("type").get(0).asString().equals("normal")){

            Inventory inv = Bukkit.createInventory(player, 9, ChatColor.RED + "Турель");
            event.getPlayer().setMetadata("turretEdit", new FixedMetadataValue(this, event.getRightClicked()));

            ItemStack fire = new ItemStack(Material.BLAZE_POWDER, 1);
            ItemMeta firem = fire.getItemMeta();
            firem.setDisplayName("Вогонь");
            firem.setLore(Arrays.asList("Створює запалені стріли", "Вартість: 10 рівнів"));
            fire.setItemMeta(firem);

            ItemStack slow = new ItemStack(Material.PACKED_ICE, 1);
            ItemMeta slowm = slow.getItemMeta();
            slowm.setDisplayName("Заповільнення");
            slowm.setLore(Arrays.asList("Створює заповільнюючі стріли", "Вартість: 10 рівнів"));
            slow.setItemMeta(slowm);

            ItemStack glow = new ItemStack(Material.SPECTRAL_ARROW, 1);
            ItemMeta glowm = glow.getItemMeta();
            glowm.setDisplayName("Підсвічування");
            glowm.setLore(Arrays.asList("Створює спектральні стріли", "Вартість: 20 рівнів"));
            glow.setItemMeta(glowm);

            ItemStack poison = new ItemStack(Material.POTION, 1);
            PotionMeta meta = (PotionMeta) poison.getItemMeta();
            meta.setBasePotionData(new PotionData(PotionType.POISON, false, false));
            meta.setDisplayName("Отрута");
            meta.setLore(Arrays.asList("Створює отруєні стріли", "Вартість: 15 рівнів"));
            meta.addItemFlags(ItemFlag.HIDE_POTION_EFFECTS);
            poison.setItemMeta(meta);

            ItemStack exit = new ItemStack(Material.BARRIER, 1);
            ItemMeta exitm = exit.getItemMeta();
            exitm.setDisplayName("Вихід");
            exit.setItemMeta(exitm);

            inv.setItem(0, fire);
            inv.setItem(1, slow);
            inv.setItem(2, poison);
            inv.setItem(3, glow);
            inv.setItem(8, exit);
            player.openInventory(inv);
        }
        event.setCancelled(true);
    }

    @EventHandler
    public void upgrade(InventoryClickEvent event) {
        String message = ChatColor.RED + "У вас недостатньо досвіду";
        if (!event.getInventory().getName().equalsIgnoreCase(ChatColor.WHITE + "Турель")) return;

            event.setCancelled(true);
            Player player = (Player) event.getWhoClicked();
            if (event.getCurrentItem() == null || event.getCurrentItem().getType() == Material.BARRIER || !event.getCurrentItem().hasItemMeta()) {
                player.closeInventory();
            }
            ArmorStand stand = (ArmorStand) event.getWhoClicked().getMetadata("turretEdit").get(0).value();
            if (null != event.getCurrentItem()) {
                switch (event.getCurrentItem().getItemMeta().getDisplayName()) {
                    case "Вогонь":
                        if (player.getLevel() > 10) {
                            player.setLevel(player.getLevel() - 10);
                            stand.setMetadata("type", new FixedMetadataValue(this, "fire"));
                            stand.setMetadata("lived", new FixedMetadataValue(this, 0));
                            player.closeInventory();
                        } else {
                            player.sendMessage(message);
                        }
                        break;
                    case "Отрута":
                        if (player.getLevel() > 15) {
                            player.setLevel(player.getLevel() - 15);
                            stand.setMetadata("type", new FixedMetadataValue(this, "poison"));
                            stand.setMetadata("lived", new FixedMetadataValue(this, 0));
                            player.closeInventory();
                        } else {
                            player.sendMessage(message);
                        }
                        break;
                    case "Заповільнення":
                        if (player.getLevel() > 10) {
                            player.setLevel(player.getLevel() - 15);
                        stand.setMetadata("type", new FixedMetadataValue(this, "slow"));
                        stand.setMetadata("lived", new FixedMetadataValue(this, 0));
                        player.closeInventory();
                        } else {
                            player.sendMessage(message);
                        }
                        break;
                    case "Підсвічування":
                        if (player.getLevel() > 20) {
                            player.setLevel(player.getLevel() - 15);
                        stand.setMetadata("type", new FixedMetadataValue(this, "glow"));
                        stand.setMetadata("lived", new FixedMetadataValue(this, 0));
                        player.closeInventory();
                        } else {
                            player.sendMessage(message);
                        }
                        break;
                    case "Вихід":
                        player.closeInventory();
                        break;
                }
            }
        }

    public Arrow launchArrow(ArmorStand stand, Vector vector) {
        Arrow arrow = stand.launchProjectile(Arrow.class);
        arrow.setVelocity(vector.multiply(0.4));
        arrow.setCritical(false);
        arrow.spigot().setDamage(2);
        return arrow;
    }

    public TippedArrow launchTippedArrow(ArmorStand stand, Vector vector, PotionEffect effect) {
        TippedArrow arrow = stand.launchProjectile(TippedArrow.class);
        arrow.setVelocity(vector.multiply(0.4));
        arrow.setCritical(false);
        arrow.spigot().setDamage(2);
        arrow.addCustomEffect(effect, true);
        return arrow;
    }
}