package net.minecraft.server;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSyntaxException;
import javax.annotation.Nullable;

public class CriterionTriggerPlacedBlock extends CriterionTriggerAbstract<CriterionTriggerPlacedBlock.a> {

    private static final MinecraftKey a = new MinecraftKey("placed_block");

    public CriterionTriggerPlacedBlock() {}

    @Override
    public MinecraftKey a() {
        return CriterionTriggerPlacedBlock.a;
    }

    @Override
    public CriterionTriggerPlacedBlock.a a(JsonObject jsonobject, JsonDeserializationContext jsondeserializationcontext) {
        Block block = a(jsonobject);
        CriterionTriggerProperties criteriontriggerproperties = CriterionTriggerProperties.a(jsonobject.get("state"));

        if (block != null) {
            criteriontriggerproperties.a(block.getStates(), (s) -> {
                throw new JsonSyntaxException("Block " + block + " has no property " + s + ":");
            });
        }

        CriterionConditionLocation criterionconditionlocation = CriterionConditionLocation.a(jsonobject.get("location"));
        CriterionConditionItem criterionconditionitem = CriterionConditionItem.a(jsonobject.get("item"));

        return new CriterionTriggerPlacedBlock.a(block, criteriontriggerproperties, criterionconditionlocation, criterionconditionitem);
    }

    @Nullable
    private static Block a(JsonObject jsonobject) {
        if (jsonobject.has("block")) {
            MinecraftKey minecraftkey = new MinecraftKey(ChatDeserializer.h(jsonobject, "block"));

            return (Block) IRegistry.BLOCK.getOptional(minecraftkey).orElseThrow(() -> {
                return new JsonSyntaxException("Unknown block type '" + minecraftkey + "'");
            });
        } else {
            return null;
        }
    }

    public void a(EntityPlayer entityplayer, BlockPosition blockposition, ItemStack itemstack) {
        IBlockData iblockdata = entityplayer.getWorldServer().getType(blockposition);

        this.a(entityplayer.getAdvancementData(), (criteriontriggerplacedblock_a) -> {
            return criteriontriggerplacedblock_a.a(iblockdata, blockposition, entityplayer.getWorldServer(), itemstack);
        });
    }

    public static class a extends CriterionInstanceAbstract {

        private final Block a;
        private final CriterionTriggerProperties b;
        private final CriterionConditionLocation c;
        private final CriterionConditionItem d;

        public a(@Nullable Block block, CriterionTriggerProperties criteriontriggerproperties, CriterionConditionLocation criterionconditionlocation, CriterionConditionItem criterionconditionitem) {
            super(CriterionTriggerPlacedBlock.a);
            this.a = block;
            this.b = criteriontriggerproperties;
            this.c = criterionconditionlocation;
            this.d = criterionconditionitem;
        }

        public static CriterionTriggerPlacedBlock.a a(Block block) {
            return new CriterionTriggerPlacedBlock.a(block, CriterionTriggerProperties.a, CriterionConditionLocation.a, CriterionConditionItem.a);
        }

        public boolean a(IBlockData iblockdata, BlockPosition blockposition, WorldServer worldserver, ItemStack itemstack) {
            return this.a != null && iblockdata.getBlock() != this.a ? false : (!this.b.a(iblockdata) ? false : (!this.c.a(worldserver, (float) blockposition.getX(), (float) blockposition.getY(), (float) blockposition.getZ()) ? false : this.d.a(itemstack)));
        }

        @Override
        public JsonElement b() {
            JsonObject jsonobject = new JsonObject();

            if (this.a != null) {
                jsonobject.addProperty("block", IRegistry.BLOCK.getKey(this.a).toString());
            }

            jsonobject.add("state", this.b.a());
            jsonobject.add("location", this.c.a());
            jsonobject.add("item", this.d.a());
            return jsonobject;
        }
    }
}