package games.coob.skywars.model;

import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.mineacademy.fo.Common;
import org.mineacademy.fo.Messenger;
import org.mineacademy.fo.RandomUtil;
import org.mineacademy.fo.region.Region;
import org.mineacademy.fo.remain.CompMaterial;
import org.mineacademy.fo.remain.CompSound;

public class PortalListener implements Listener {

	private final static int LOCATION_SEARCH_TRIES = 4;

	@EventHandler
	public void onPlayerMoveEvent(final PlayerMoveEvent event) {

		final Player player = event.getPlayer();
		final ArenaPlayer cache = ArenaPlayer.getCache(player);
		final Arena arena = cache.getArena();
		final Region range = arena.getSettings().getRegion();
		final ArenaJoinMode mode = cache.getMode();
		final Block portal = event.getPlayer().getLocation().getBlock().getRelative(BlockFace.DOWN);
		final Location location = findLocation(new Location(player.getWorld(), 0, 0, 0), range);

		if (portal.getType() == Material.RESPAWN_ANCHOR) {

			if (!location.getChunk().isLoaded())
				location.getChunk().load(true);

			Common.runLater(20 * 5, () -> {
				player.teleport(location);

				Common.tell(player, "&5Teleport success!");
			});

			// Play sound and add a potion effect to the player standing on a respawn anchor
			CompSound.PORTAL_TRAVEL.play(player);
			player.addPotionEffect(new PotionEffect(PotionEffectType.CONFUSION, 100, 1, false, false, false));

			/**
			 * Cancel the event if the player is in spectate mode, moves away or is standing on an uncharged respawn anchor
			 **/
			if (mode == ArenaJoinMode.SPECTATING) {
				Messenger.error(player, "You cannot enter portals while spectating!");

				event.setCancelled(true);
			}
		}
	}

	private Location findLocation(final Location center, final int range) {

		for (int i /* try attempt number */ = 0; i < LOCATION_SEARCH_TRIES; ++i) {

			final Location location = RandomUtil.nextLocation(center, 10, true);

			final Block block = location.getBlock();
			final Block blockBelow = block.getRelative(BlockFace.DOWN);

			if (blockBelow.getType() == Material.RESPAWN_ANCHOR && CompMaterial.isAir(block))
				return location;
		}

		return null;
	}
}