/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  com.mojang.datafixers.DSL
 *  com.mojang.datafixers.OpticFinder
 *  com.mojang.datafixers.Typed
 *  com.mojang.datafixers.schemas.Schema
 *  com.mojang.datafixers.types.Type
 *  com.mojang.datafixers.util.Pair
 *  com.mojang.serialization.Dynamic
 */
package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.OpticFinder;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.datafixers.util.Pair;
import com.mojang.serialization.Dynamic;
import net.minecraft.util.datafix.fixes.BlockStateData;
import net.minecraft.util.datafix.fixes.NamedEntityFix;
import net.minecraft.util.datafix.fixes.References;

public class BlockEntityBlockStateFix
extends NamedEntityFix {
    public BlockEntityBlockStateFix(Schema outputSchema, boolean changesType) {
        super(outputSchema, changesType, "BlockEntityBlockStateFix", References.BLOCK_ENTITY, "minecraft:piston");
    }

    @Override
    protected Typed<?> fix(Typed<?> entity) {
        Type newType = this.getOutputSchema().getChoiceType(References.BLOCK_ENTITY, "minecraft:piston");
        Type blockStateType = newType.findFieldType("blockState");
        OpticFinder blockStateF = DSL.fieldFinder((String)"blockState", (Type)blockStateType);
        Dynamic tag = (Dynamic)entity.get(DSL.remainderFinder());
        int block = tag.get("blockId").asInt(0);
        tag = tag.remove("blockId");
        int data = tag.get("blockData").asInt(0) & 0xF;
        tag = tag.remove("blockData");
        Dynamic<?> blockStateTag = BlockStateData.getTag(block << 4 | data);
        Typed output = (Typed)newType.pointTyped(entity.getOps()).orElseThrow(() -> new IllegalStateException("Could not create new piston block entity."));
        return output.set(DSL.remainderFinder(), (Object)tag).set(blockStateF, (Typed)((Pair)blockStateType.readTyped(blockStateTag).result().orElseThrow(() -> new IllegalStateException("Could not parse newly created block state tag."))).getFirst());
    }
}