package wayoftime.bloodmagic.util.helper;

import net.minecraft.entity.LivingEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.potion.Potion;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.common.MinecraftForge;
import wayoftime.bloodmagic.ConfigHandler;
import wayoftime.bloodmagic.altar.IBloodAltar;
import wayoftime.bloodmagic.event.SacrificeKnifeUsedEvent;

public class PlayerSacrificeHelper
{
	public static float scalingOfSacrifice = 1f;
	public static int soulFrayDuration = 400;
	public static Potion soulFrayId;

	public static double getPlayerIncense(PlayerEntity player)
	{
//		return 0;
		return IncenseHelper.getCurrentIncense(player);
	}

	public static void setPlayerIncense(PlayerEntity player, double amount)
	{
		IncenseHelper.setCurrentIncense(player, amount);
	}

	public static boolean incrementIncense(PlayerEntity player, double min, double incenseAddition, double increment)
	{
//		return true;
		double amount = getPlayerIncense(player);
		if (amount < min || amount >= incenseAddition)
		{
			return false;
		}

		amount = amount + Math.min(increment, incenseAddition - amount);
		setPlayerIncense(player, amount);

		if (amount == incenseAddition)
		{
			IncenseHelper.setMaxIncense(player, incenseAddition);
		}
		// System.out.println("Amount of incense: " + amount + ", Increment: " +
		// increment);

		return true;
	}

	/**
	 * Sacrifices a player's health while the player is under the influence of
	 * incense
	 *
	 * @param player - The player sacrificing
	 * @return Whether or not the health sacrificing succeeded
	 */
	public static boolean sacrificePlayerHealth(PlayerEntity player)
	{
//		if (player.isPotionActive(soulFrayId))
//		{
//			return false;
//		}

		double amount = getPlayerIncense(player);

		if (amount >= 0)
		{
			float health = player.getHealth();
			float maxHealth = player.getMaxHealth();

			if (health > maxHealth / 10.0)
			{
				float sacrificedHealth = health - maxHealth / 10.0f;
				int lpAdded = (int) (sacrificedHealth * ConfigHandler.values.sacrificialDaggerConversion * getModifier(amount));

				IBloodAltar altar = getAltar(player.getEntityWorld(), player.getPosition());
				if (altar != null)
				{
					SacrificeKnifeUsedEvent evt = new SacrificeKnifeUsedEvent(player, true, true, (int) sacrificedHealth, lpAdded);
					if (MinecraftForge.EVENT_BUS.post(evt))
						return false;

					altar.sacrificialDaggerCall(evt.lpAdded, false);
					altar.startCycle();

					player.setHealth(maxHealth / 10.0f);
					setPlayerIncense(player, 0);
//					player.addPotionEffect(new PotionEffect(RegistrarBloodMagic.SOUL_FRAY, soulFrayDuration));

					return true;
				}
			}
		}

		return false;
	}

	public static double getModifier(double amount)
	{
		return 1 + amount * scalingOfSacrifice;
	}

	/**
	 * Finds the nearest {@link IBloodAltar} and attempts to fill it
	 *
	 * @param world             - The world
	 * @param sacrificingEntity - The entity having the sacrifice done on (can be
	 *                          {@link PlayerEntity} for self-sacrifice)
	 * @param amount            - The amount of which the altar should be filled
	 * @param isSacrifice       - Whether this is a Sacrifice or a Self-Sacrifice
	 * @return Whether the altar is found and (attempted) filled
	 */
	public static boolean findAndFillAltar(World world, LivingEntity sacrificingEntity, int amount, boolean isSacrifice)
	{
		IBloodAltar altarEntity = getAltar(world, sacrificingEntity.getPosition());

		if (altarEntity == null)
			return false;

		altarEntity.sacrificialDaggerCall(amount, isSacrifice);
		altarEntity.startCycle();

		return true;
	}

	/**
	 * Gets the nearest {@link IBloodAltar}
	 *
	 * @param world    - The world
	 * @param blockPos - The position of where the check should be in (in a 2 block
	 *                 radius from this)
	 * @return The nearest altar, if no altar is found, then this will return null
	 */
	public static IBloodAltar getAltar(World world, BlockPos blockPos)
	{
		TileEntity tileEntity;

		for (int x = -2; x <= 2; x++)
		{
			for (int y = -2; y <= 1; y++)
			{
				for (int z = -2; z <= 2; z++)
				{
					tileEntity = world.getTileEntity(blockPos.add(x, y, z));

					if (tileEntity instanceof IBloodAltar)
					{
						return (IBloodAltar) tileEntity;
					}
				}
			}
		}

		return null;
	}
}