package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import java.util.Set;
import net.minecraft.core.BlockPos;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.util.RandomSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.InsideBlockEffectApplier;
import net.minecraft.world.entity.Relative;
import net.minecraft.world.entity.projectile.throwableitemprojectile.ThrownEnderpearl;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.entity.BlockEntityTicker;
import net.minecraft.world.level.block.entity.BlockEntityType;
import net.minecraft.world.level.block.entity.BlockEntityTypes;
import net.minecraft.world.level.block.entity.TheEndGatewayBlockEntity;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.material.Fluid;
import net.minecraft.world.level.portal.TeleportTransition;
import net.minecraft.world.phys.Vec3;
import org.jspecify.annotations.Nullable;

/**
 * Access widened by fabric-transitive-access-wideners-v1 to accessible
 */
public class EndGatewayBlock extends BaseEntityBlock implements Portal {
	public static final MapCodec<EndGatewayBlock> CODEC = simpleCodec(EndGatewayBlock::new);

	@Override
	public MapCodec<EndGatewayBlock> codec() {
		return CODEC;
	}

	/**
	 * Access widened by fabric-transitive-access-wideners-v1 to accessible
	 */
	public EndGatewayBlock(final BlockBehaviour.Properties properties) {
		super(properties);
	}

	@Override
	public BlockEntity newBlockEntity(final BlockPos worldPosition, final BlockState blockState) {
		return new TheEndGatewayBlockEntity(worldPosition, blockState);
	}

	@Nullable
	@Override
	public <T extends BlockEntity> BlockEntityTicker<T> getTicker(final Level level, final BlockState blockState, final BlockEntityType<T> type) {
		return createTickerHelper(
			type, BlockEntityTypes.END_GATEWAY, level.isClientSide() ? TheEndGatewayBlockEntity::beamAnimationTick : TheEndGatewayBlockEntity::portalTick
		);
	}

	@Override
	public void animateTick(final BlockState state, final Level level, final BlockPos pos, final RandomSource random) {
		if (level.getBlockEntity(pos) instanceof TheEndGatewayBlockEntity theEndGatewayBlockEntity) {
			int particleCount = theEndGatewayBlockEntity.getParticleAmount();

			for (int i = 0; i < particleCount; i++) {
				double x = pos.getX() + random.nextDouble();
				double y = pos.getY() + random.nextDouble();
				double z = pos.getZ() + random.nextDouble();
				double xa = (random.nextDouble() - 0.5) * 0.5;
				double ya = (random.nextDouble() - 0.5) * 0.5;
				double za = (random.nextDouble() - 0.5) * 0.5;
				int flip = random.nextInt(2) * 2 - 1;
				if (random.nextBoolean()) {
					z = pos.getZ() + 0.5 + 0.25 * flip;
					za = random.nextFloat() * 2.0F * flip;
				} else {
					x = pos.getX() + 0.5 + 0.25 * flip;
					xa = random.nextFloat() * 2.0F * flip;
				}

				level.addParticle(ParticleTypes.PORTAL, x, y, z, xa, ya, za);
			}
		}
	}

	@Override
	protected ItemStack getCloneItemStack(final LevelReader level, final BlockPos pos, final BlockState state, final boolean includeData) {
		return ItemStack.EMPTY;
	}

	@Override
	protected boolean canBeReplaced(final BlockState state, final Fluid fluid) {
		return false;
	}

	@Override
	protected void entityInside(
		final BlockState state, final Level level, final BlockPos pos, final Entity entity, final InsideBlockEffectApplier effectApplier, final boolean isPrecise
	) {
		if (entity.canUsePortal(false)
			&& !level.isClientSide()
			&& level.getBlockEntity(pos) instanceof TheEndGatewayBlockEntity endGatewayBlockEntity
			&& !endGatewayBlockEntity.isCoolingDown()) {
			entity.setAsInsidePortal(this, pos);
			TheEndGatewayBlockEntity.triggerCooldown(level, pos, state, endGatewayBlockEntity);
		}
	}

	@Nullable
	@Override
	public TeleportTransition getPortalDestination(final ServerLevel currentLevel, final Entity entity, final BlockPos portalEntryPos) {
		if (currentLevel.getBlockEntity(portalEntryPos) instanceof TheEndGatewayBlockEntity endGatewayBlockEntity) {
			Vec3 teleportPosition = endGatewayBlockEntity.getPortalPosition(currentLevel, portalEntryPos);
			if (teleportPosition == null) {
				return null;
			} else {
				return entity instanceof ThrownEnderpearl
					? new TeleportTransition(currentLevel, teleportPosition, Vec3.ZERO, 0.0F, 0.0F, Set.of(), TeleportTransition.PLACE_PORTAL_TICKET)
					: new TeleportTransition(
						currentLevel, teleportPosition, Vec3.ZERO, 0.0F, 0.0F, Relative.union(Relative.DELTA, Relative.ROTATION), TeleportTransition.PLACE_PORTAL_TICKET
					);
			}
		} else {
			return null;
		}
	}

	@Override
	protected RenderShape getRenderShape(final BlockState state) {
		return RenderShape.INVISIBLE;
	}
}