package fr.hydozia.api.hologram;

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

import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.entity.ArmorStand;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.metadata.MetadataValue;
import org.bukkit.scheduler.BukkitRunnable;

import fr.hydozia.api.HydoziaAPI;

/**
 * @author Tarkod,
 * @link github/tarkodev && gitlab/tarkod.
 */
public class HologramManager {

	final private String name;
	final private UUID metaData;

	public HologramManager(final String name) {
		this.name = name;
		this.metaData = UUID.randomUUID();
	}


	public void spawn(final Location location) {
		ArmorStand armorStand = (ArmorStand) location.getWorld().spawnEntity(location, EntityType.ARMOR_STAND);
		armorStand.setVisible(false);
		armorStand.setGravity(false);
		armorStand.setBasePlate(false);
		armorStand.setSmall(true);
		armorStand.setCustomNameVisible(true);
		armorStand.setCustomName(name);
		armorStand.setMetadata("UUID", new FixedMetadataValue(HydoziaAPI.getInstance(), metaData));
	}

	public void spawn(final Location location, final double rangeX, final double rangeY, final double rangeZ) {
		Location loc = location;

		double xMin = loc.getX()-rangeX;
		double xMax = loc.getX()+rangeX;
		double x = xMin + (new Random().nextDouble() * (xMax - xMin));

		double yMin = loc.getY()-rangeY;
		double yMax = loc.getY()+rangeY;
		double y = yMin + (new Random().nextDouble() * (yMax - yMin));

		double zMin = loc.getZ()-rangeZ;
		double zMax = loc.getZ()+rangeZ;
		double z = zMin + (new Random().nextDouble() * (zMax - zMin));

		Location result = new Location(loc.getWorld(), x, y, z);
		spawn(result);
	}

	public void spawn(final Location location, final double rangeX, final double rangeY, final double rangeZ, final int ticks) {
		spawn(location, rangeX, rangeY, rangeZ);

		new BukkitRunnable() {
			int ticksRemaining = ticks;

			@Override
			public void run() {
				if (ticksRemaining <= 0) {
					killAll(location.getWorld());
					cancel();
				}
				ticksRemaining--;
			}
		}.runTaskTimer(HydoziaAPI.getInstance(), 1, 1);
	}

	public void spawn(final Location location, final double range) {
		spawn(location, range, range, range);
	}

	/**
	 * Spawn a hologram.
	 * @param location the location of hologram.
	 * @param range that's a random range
	 * @param ticks the ticks was for the duration of hologram and the ticks in minecraft was 20 per seconds | 20 = 1 seconde.
	 */
	public void spawn(final Location location, final double range, final int ticks) {
		spawn(location, range, range, range, ticks);
	}

	public List<ArmorStand> find(final World world) {
		List<ArmorStand> armorStandList = new ArrayList<ArmorStand>();
		for (Entity entity : world.getEntities()) {
			if (entity instanceof ArmorStand) {
				ArmorStand armorStand = (ArmorStand) entity;
				for(MetadataValue values : armorStand.getMetadata("UUID")) {
					if(values.value().equals(metaData)) {
						armorStandList.add(armorStand);
					}
				}
			}
		}
		return armorStandList;
	}


	public void killAll(final World world) {
		for (ArmorStand armorStands : find(world)) {
			armorStands.remove();
		}
	}

	public UUID getUUID() {
		return metaData;
	}
}