package nautilus.game.arcade.managers;

import java.util.List;

import org.bukkit.GameMode;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerToggleSneakEvent;
import org.bukkit.event.vehicle.VehicleDamageEvent;

import mineplex.core.common.util.C;
import mineplex.core.common.util.F;
import mineplex.core.common.util.UtilMath;
import mineplex.core.common.util.UtilPlayer;
import mineplex.core.common.util.UtilServer;
import mineplex.core.common.util.UtilTextBottom;
import mineplex.core.updater.UpdateType;
import mineplex.core.updater.event.UpdateEvent;
import nautilus.game.arcade.ArcadeManager;
import nautilus.game.arcade.game.Game.GameState;

public class GameSpectatorManager implements Listener
{
	ArcadeManager Manager;

	public GameSpectatorManager(ArcadeManager manager)
	{
		Manager = manager;

		Manager.getPluginManager().registerEvents(this, Manager.getPlugin());
	}
	
	@EventHandler(priority = EventPriority.LOW, ignoreCancelled=true)
	public void interactCancel(PlayerInteractEvent event)
	{	
		if (Manager.GetGame() == null)
			return;

		Player player = event.getPlayer();

		if (!Manager.GetGame().IsAlive(player))
			event.setCancelled(true);
		
		processClick(player, event.getAction());
	}
	
	public void processClick(Player player, Action action)
	{
		if (Manager.GetGame() == null)
			return;
		
		if(!Manager.GetGame().AllowEntitySpectate)
			return;
		
		if(!Manager.GetGame().IsLive())
			return;
		
		if(player.getGameMode() != GameMode.SPECTATOR)
			return;
		
		if(player.getSpectatorTarget() == null)
			return;
		
		if(!(player.getSpectatorTarget() instanceof Player))
			return;
			
		List<Player> players = Manager.GetGame().GetPlayers(true);
		int currentPlayer = 0;
		for(Player otherPlayer : players)
		{
			currentPlayer++;
			if(((Player) player.getSpectatorTarget()) == otherPlayer)
				break;
		}
		
		if(action == Action.LEFT_CLICK_AIR || action == Action.LEFT_CLICK_BLOCK)
			currentPlayer = currentPlayer - 2;
		else
			return;
		
		if(currentPlayer < 0)
			currentPlayer = players.size() - 1;
		
		if(currentPlayer >= players.size())
			currentPlayer = 0;
		
		if(players.get(currentPlayer) == null)
			return;
		
		Player specPlayer = players.get(currentPlayer);
			
		setSpectating(player, specPlayer);
	}
	
	@EventHandler(priority = EventPriority.LOW)
	public void interactEntityCancel(PlayerInteractEntityEvent event)
	{
		if (Manager.GetGame() == null)
			return;
		
		Player player = event.getPlayer();

		if (Manager.GetGame().GetState() == GameState.Recruit)
		{
			if (Manager.getCosmeticManager().getMountManager().isMount(event.getRightClicked()))
			{
				return;
			}
		}
		
		if (!Manager.GetGame().IsAlive(player))
		{
			event.setCancelled(true);
			if(Manager.GetGame().IsLive())
			{
				if(Manager.GetGame().AllowEntitySpectate)
				{
					setSpectating(player, event.getRightClicked());
				}
			}
		}
	}
	
	@EventHandler
	public void updateSpecEntitys(UpdateEvent event)
	{
		if(event.getType() != UpdateType.FASTER)
			return;

		if(Manager.GetGame() == null)
			return;
		
		if(Manager.GetGame().IsLive() || Manager.GetGame().GetState() == GameState.End)
		{
			if(Manager.GetGame().AllowEntitySpectate)
			{
				for(Player player : UtilServer.getPlayers())
				{
					if (!Manager.GetGame().IsAlive(player))
					{
						if(player.getGameMode() == GameMode.SPECTATOR)
						{
							if(player.getSpectatorTarget() == null)
							{
								player.setGameMode(GameMode.SURVIVAL);
								player.setAllowFlight(true);
							}
						}
					}
				}
			}
		}
	}
	
	@EventHandler(priority = EventPriority.LOW)
	public void spectatedEntityDeath(PlayerDeathEvent event)
	{
		if(Manager.GetGame() == null)
			return;
		
		if(Manager.GetGame().IsLive() || Manager.GetGame().GetState() == GameState.End)
		{
			if(Manager.GetGame().AllowEntitySpectate)
			{
				for(Player player : UtilServer.getPlayers())
				{
					if (!Manager.GetGame().IsAlive(player))
					{
						if(player.getGameMode() == GameMode.SPECTATOR)
						{
							if(player.getSpectatorTarget() == event.getEntity())
							{
								if(Manager.GetGame().GetPlayers(true).size() >= 1)
								{
									setSpectating(player, Manager.GetGame().GetPlayers(true).get(UtilMath.r(Manager.GetGame().GetPlayers(true).size())));
									return;
								}
								player.setGameMode(GameMode.SURVIVAL);
								player.setAllowFlight(true);
							}
						}
					}
				}
			}
		}
	}
	
	@EventHandler(priority = EventPriority.LOW)
	public void dismountEntity(PlayerToggleSneakEvent event)
	{
		if(Manager.GetGame() == null)
			return;
		
		if(Manager.GetGame().IsLive() || Manager.GetGame().GetState() == GameState.End)
		{
			if(Manager.GetGame().AllowEntitySpectate)
			{
				if(!Manager.GetGame().IsAlive(event.getPlayer()))
				{
					if(event.getPlayer().getGameMode() == GameMode.SPECTATOR)
					{
						event.getPlayer().setGameMode(GameMode.SURVIVAL);
						event.getPlayer().setAllowFlight(true);
					}
				}
			}
		}
	}
	
	private void setSpectating(Player player, Entity target)
	{
		player.setGameMode(GameMode.SURVIVAL);
		player.teleport(target.getLocation().add(0, 1, 0));
		player.getInventory().setHeldItemSlot(5);
		Manager.runSyncLater(new Runnable()
		{
			@Override
			public void run()
			{
				Player ptarget = null;
				if (target instanceof Player)
					ptarget = (Player) target;
				
				if (ptarget != null)
				{
					if (!Manager.GetGame().IsAlive(ptarget))
						return;
				}
				
				player.setGameMode(GameMode.SPECTATOR);
				player.setSpectatorTarget(target);
				
				if (ptarget != null)
					UtilTextBottom.display(C.cGray + "You are spectating " + F.elem(Manager.GetGame().GetTeam(ptarget).GetColor() + ptarget.getName()) + ".", player);
				
				UtilPlayer.message(player, F.main("Game", "Sneak to stop spectating."));	
			}
		}, 1);
	}
	
	@EventHandler(priority = EventPriority.LOW)
	public void vehicleDamage(VehicleDamageEvent event)
	{
		if (Manager.GetGame() == null)
			return;

		if (!(event.getAttacker() instanceof Player))
			return;
		
		Player player = (Player)event.getAttacker();

		if (!Manager.GetGame().IsAlive(player))
			event.setCancelled(true);
	}
}