package me.xgal.mlg.cosmetics.mounts;

import java.lang.reflect.Field;

import net.minecraft.server.v1_8_R3.EntityHuman;
import net.minecraft.server.v1_8_R3.EntityIronGolem;
import net.minecraft.server.v1_8_R3.EntityLiving;
import net.minecraft.server.v1_8_R3.MathHelper;
import net.minecraft.server.v1_8_R3.PathfinderGoalSelector;
import net.minecraft.server.v1_8_R3.World;

import org.bukkit.Location;
import org.bukkit.craftbukkit.v1_8_R3.CraftWorld;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftLivingEntity;
import org.bukkit.craftbukkit.v1_8_R3.util.UnsafeList;
import org.bukkit.entity.IronGolem;
import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;

public class IronGolemMount extends EntityIronGolem {

	public IronGolemMount(World world) {
		super(world);

		try {
			Field bField = PathfinderGoalSelector.class.getDeclaredField("b");
			bField.setAccessible(true);
			Field cField = PathfinderGoalSelector.class.getDeclaredField("c");
			cField.setAccessible(true);

			bField.set(goalSelector, new UnsafeList<PathfinderGoalSelector>());
			bField.set(targetSelector, new UnsafeList<PathfinderGoalSelector>());
			cField.set(goalSelector, new UnsafeList<PathfinderGoalSelector>());
			cField.set(targetSelector, new UnsafeList<PathfinderGoalSelector>());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	@Override
	public void g(float sideMot, float forMot) {
		if (this.passenger != null && this.passenger instanceof EntityHuman) {
			this.lastYaw = this.yaw = this.passenger.yaw;
			this.pitch = this.passenger.pitch * 0.5F;
			this.setYawPitch(this.yaw, this.pitch);
			this.aI = this.aG = this.yaw;
			sideMot = ((EntityLiving) this.passenger).aZ * 0.3F;
			forMot = ((EntityLiving) this.passenger).ba;
			if (forMot <= 0.0F) {
				forMot *= 5.25F;
			}

			Field jump = null;
			try {
				jump = EntityLiving.class.getDeclaredField("aY");
			} catch (NoSuchFieldException e1) {
				e1.printStackTrace();
			} catch (SecurityException e1) {
				e1.printStackTrace();
			}
			jump.setAccessible(true);

			if (jump != null && this.onGround) {
				try {
					if (jump.getBoolean(this.passenger)) {
						double jumpHeight = 0.5D;
						this.motY = jumpHeight;
					}
				} catch (IllegalAccessException e) {
					e.printStackTrace();
				}
			}

			this.S = 1.0F;
			this.aK = (float) (this.bh * 0.1F);
			if (!this.world.isClientSide) {
				this.j((int) 0.35F);
				super.g(sideMot, forMot);
			}

			this.ay = this.az;// Some extra things
			double d0 = this.locX - this.lastX;
			double d1 = this.locZ - this.lastZ;
			float f4 = MathHelper.sqrt(d0 * d0 + d1 * d1) * 4.0F;
			if (f4 > 1.0F) {
				f4 = 1.0F;
			}

			this.az += (f4 - this.az) * 0.4F;
			this.aA += this.az;
		} else {
			this.S = 0.5F;
			this.aK = 0.02F;
			super.g(sideMot, forMot);
		}
	}

	public static IronGolem spawn(Location loc) {
		World mcWorld = (World) ((CraftWorld) loc.getWorld()).getHandle();
		final IronGolemMount customEnt = new IronGolemMount(mcWorld);
		customEnt.setLocation(loc.getX(), loc.getY(), loc.getZ(), (float) -179.1, (float) 1.7);
		((CraftLivingEntity) customEnt.getBukkitEntity()).setRemoveWhenFarAway(false);
		mcWorld.addEntity(customEnt, SpawnReason.CUSTOM);
		return (IronGolem) customEnt.getBukkitEntity();
	}

}