package net.minecraft.client.renderer.entity;

import com.google.common.collect.Maps;
import com.mojang.blaze3d.vertex.PoseStack;
import java.util.Map;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.model.AdultAndBabyModelPair;
import net.minecraft.client.model.ColdPigModel;
import net.minecraft.client.model.EntityModel;
import net.minecraft.client.model.PigModel;
import net.minecraft.client.model.geom.ModelLayers;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.entity.layers.SimpleEquipmentLayer;
import net.minecraft.client.renderer.entity.state.PigRenderState;
import net.minecraft.client.renderer.texture.MissingTextureAtlasSprite;
import net.minecraft.client.resources.model.EquipmentClientInfo;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.animal.Pig;
import net.minecraft.world.entity.animal.PigVariant;

@Environment(EnvType.CLIENT)
public class PigRenderer extends MobRenderer<Pig, PigRenderState, PigModel> {
	private final Map<PigVariant.ModelType, AdultAndBabyModelPair<PigModel>> models;

	public PigRenderer(EntityRendererProvider.Context context) {
		super(context, new PigModel(context.bakeLayer(ModelLayers.PIG)), 0.7F);
		this.models = bakeModels(context);
		this.addLayer(
			new SimpleEquipmentLayer<>(
				this,
				context.getEquipmentRenderer(),
				EquipmentClientInfo.LayerType.PIG_SADDLE,
				pigRenderState -> pigRenderState.saddle,
				new PigModel(context.bakeLayer(ModelLayers.PIG_SADDLE)),
				new PigModel(context.bakeLayer(ModelLayers.PIG_BABY_SADDLE))
			)
		);
	}

	private static Map<PigVariant.ModelType, AdultAndBabyModelPair<PigModel>> bakeModels(EntityRendererProvider.Context context) {
		return Maps.newEnumMap(
			Map.of(
				PigVariant.ModelType.NORMAL,
				new AdultAndBabyModelPair<>(new PigModel(context.bakeLayer(ModelLayers.PIG)), new PigModel(context.bakeLayer(ModelLayers.PIG_BABY))),
				PigVariant.ModelType.COLD,
				new AdultAndBabyModelPair<>(new ColdPigModel(context.bakeLayer(ModelLayers.COLD_PIG)), new ColdPigModel(context.bakeLayer(ModelLayers.COLD_PIG_BABY)))
			)
		);
	}

	public void render(PigRenderState renderState, PoseStack poseStack, MultiBufferSource bufferSource, int packedLight) {
		if (renderState.variant != null) {
			this.model = (EntityModel)((AdultAndBabyModelPair)this.models.get(renderState.variant.modelAndTexture().model())).getModel(renderState.isBaby);
			super.render(renderState, poseStack, bufferSource, packedLight);
		}
	}

	public ResourceLocation getTextureLocation(PigRenderState renderState) {
		return renderState.variant == null ? MissingTextureAtlasSprite.getLocation() : renderState.variant.modelAndTexture().asset().texturePath();
	}

	public PigRenderState createRenderState() {
		return new PigRenderState();
	}

	public void extractRenderState(Pig entity, PigRenderState reusedState, float partialTick) {
		super.extractRenderState(entity, reusedState, partialTick);
		reusedState.saddle = entity.getItemBySlot(EquipmentSlot.SADDLE).copy();
		reusedState.variant = entity.getVariant().value();
	}
}