package net.minecraft.client.gui.font.providers;

import com.mojang.blaze3d.font.GlyphProvider;
import com.mojang.datafixers.util.Either;
import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.io.IOException;
import net.minecraft.client.gui.font.FontOption;
import net.minecraft.resources.Identifier;
import net.minecraft.server.packs.resources.ResourceManager;

public interface GlyphProviderDefinition {
	MapCodec<GlyphProviderDefinition> MAP_CODEC = GlyphProviderType.CODEC.dispatchMap(GlyphProviderDefinition::type, GlyphProviderType::mapCodec);

	GlyphProviderType type();

	Either<GlyphProviderDefinition.Loader, GlyphProviderDefinition.Reference> unpack();

	public record Conditional(GlyphProviderDefinition definition, FontOption.Filter filter) {
		public static final Codec<GlyphProviderDefinition.Conditional> CODEC = RecordCodecBuilder.create(
			i -> i.group(
					GlyphProviderDefinition.MAP_CODEC.forGetter(GlyphProviderDefinition.Conditional::definition),
					FontOption.Filter.CODEC.optionalFieldOf("filter", FontOption.Filter.ALWAYS_PASS).forGetter(GlyphProviderDefinition.Conditional::filter)
				)
				.apply(i, GlyphProviderDefinition.Conditional::new)
		);
	}

	public interface Loader {
		GlyphProvider load(ResourceManager resourceManager) throws IOException;
	}

	public record Reference(Identifier id) {
	}
}