package info.u_team.u_team_core.data;

import java.io.IOException;
import java.nio.file.Path;
import java.util.*;
import java.util.stream.Collectors;

import com.google.common.collect.Maps;
import com.google.gson.JsonObject;

import net.minecraft.data.*;
import net.minecraft.tags.*;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.registry.Registry;

public abstract class CommonTagsProvider<T> extends CommonProvider {
	
	protected final Registry<T> registry;
	protected final Map<ResourceLocation, ITag.Builder> tagToBuilder = Maps.newLinkedHashMap();
	
	public CommonTagsProvider(GenerationData data, Registry<T> registry) {
		super(data);
		this.registry = registry;
	}
	
	protected abstract void registerTags();
	
	@Override
	public void act(DirectoryCache cache) {
		tagToBuilder.clear();
		registerTags();
		
		tagToBuilder.forEach((location, builder) -> {
			final List<ITag.Proxy> list = builder.func_232963_b_(id -> tagToBuilder.containsKey(id) ? Tag.func_241284_a_() : null, id -> registry.getValue(id).orElse(null)).collect(Collectors.toList());
			if (!list.isEmpty()) {
				throw new IllegalArgumentException(String.format("Couldn't define tag %s as it is missing following references: %s", location, list.stream().map(Objects::toString).collect(Collectors.joining(","))));
			}
			final JsonObject object = builder.serialize();
			final Path path = makePath(location);
			try {
				write(cache, object, path);
			} catch (final IOException ex) {
				LOGGER.error(marker, "Could not write data.", ex);
			}
		});
	}
	
	protected abstract Path makePath(ResourceLocation location);
	
	protected TagsProvider.Builder<T> getBuilder(ITag.INamedTag<T> tag) {
		final ITag.Builder tagBuilder = getTagBuilder(tag);
		return new TagsProvider.Builder<>(tagBuilder, registry, modid);
	}
	
	protected ITag.Builder getTagBuilder(ITag.INamedTag<T> tag) {
		return this.tagToBuilder.computeIfAbsent(tag.getName(), location -> new ITag.Builder());
	}
}
@@ -936,16 +936,19 @@
 2963_b_(
+/* 
 id -%3E ta
@@ -1003,16 +1003,45 @@
 ) : null
+ */id -%3E Tag.func_241284_a_()
 , id -%3E 

Remove the validation that the tag must be loaded in this provider. This is a problem when 2 tag generators are used e.g. for integration mods. The validation is not really necessary but if bugs occur this is the change to care about generated invalid tags