package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.serialization.Dynamic;
import java.util.Optional;
import net.minecraft.util.datafix.schemas.NamespacedSchema;

public abstract class AbstractBlockPropertyFix extends DataFix {
	private final String name;

	public AbstractBlockPropertyFix(final Schema outputSchema, final String name) {
		super(outputSchema, false);
		this.name = name;
	}

	@Override
	protected TypeRewriteRule makeRule() {
		return this.fixTypeEverywhereTyped(
			this.name, this.getInputSchema().getType(References.BLOCK_STATE), input -> input.update(DSL.remainderFinder(), this::fixBlockState)
		);
	}

	private Dynamic<?> fixBlockState(final Dynamic<?> tag) {
		Optional<String> blockId = tag.get("Name").asString().result().map(NamespacedSchema::ensureNamespaced);
		return blockId.isPresent() && this.shouldFix((String)blockId.get())
			? tag.update("Properties", properties -> this.fixProperties((String)blockId.get(), properties))
			: tag;
	}

	protected abstract boolean shouldFix(String blockId);

	protected abstract <T> Dynamic<T> fixProperties(String blockId, Dynamic<T> properties);
}