package net.minecraft.client.model.animal.equine;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.model.geom.ModelPart;
import net.minecraft.client.model.geom.PartPose;
import net.minecraft.client.model.geom.builders.CubeDeformation;
import net.minecraft.client.model.geom.builders.CubeListBuilder;
import net.minecraft.client.model.geom.builders.LayerDefinition;
import net.minecraft.client.model.geom.builders.MeshTransformer;
import net.minecraft.client.model.geom.builders.PartDefinition;
import net.minecraft.client.renderer.entity.state.DonkeyRenderState;

@Environment(EnvType.CLIENT)
public class DonkeyModel extends AbstractEquineModel<DonkeyRenderState> {
	public static final float DONKEY_SCALE = 0.87F;
	public static final float MULE_SCALE = 0.92F;
	private static final MeshTransformer DONKEY_TRANSFORMER = mesh -> {
		modifyMesh(mesh.getRoot());
		return mesh;
	};
	private final ModelPart leftChest = this.body.getChild("left_chest");
	private final ModelPart rightChest = this.body.getChild("right_chest");

	public DonkeyModel(final ModelPart root) {
		super(root);
	}

	public DonkeyModel(
		final ModelPart root,
		final ModelPart headParts,
		final ModelPart rightHindLeg,
		final ModelPart rightFrontLeg,
		final ModelPart leftHindLeg,
		final ModelPart leftFrontLeg,
		final ModelPart tail
	) {
		super(root, headParts, rightHindLeg, rightFrontLeg, leftHindLeg, leftFrontLeg, tail);
	}

	public static LayerDefinition createBodyLayer(final float scale) {
		return LayerDefinition.create(AbstractEquineModel.createBodyMesh(CubeDeformation.NONE), 64, 64)
			.apply(DONKEY_TRANSFORMER)
			.apply(MeshTransformer.scaling(scale));
	}

	public static LayerDefinition createSaddleLayer(final float scale) {
		return EquineSaddleModel.createSaddleLayer().apply(DONKEY_TRANSFORMER).apply(MeshTransformer.scaling(scale));
	}

	private static void modifyMesh(final PartDefinition root) {
		PartDefinition body = root.getChild("body");
		CubeListBuilder chest = CubeListBuilder.create().texOffs(26, 21).addBox(-4.0F, 0.0F, -2.0F, 8.0F, 8.0F, 3.0F);
		body.addOrReplaceChild("left_chest", chest, PartPose.offsetAndRotation(6.0F, -8.0F, 0.0F, 0.0F, (float) (-Math.PI / 2), 0.0F));
		body.addOrReplaceChild("right_chest", chest, PartPose.offsetAndRotation(-6.0F, -8.0F, 0.0F, 0.0F, (float) (Math.PI / 2), 0.0F));
		PartDefinition head = root.getChild("head_parts").getChild("head");
		CubeListBuilder ear = CubeListBuilder.create().texOffs(0, 12).addBox(-1.0F, -7.0F, 0.0F, 2.0F, 7.0F, 1.0F);
		head.addOrReplaceChild("left_ear", ear, PartPose.offsetAndRotation(1.25F, -10.0F, 4.0F, (float) (Math.PI / 12), 0.0F, (float) (Math.PI / 12)));
		head.addOrReplaceChild("right_ear", ear, PartPose.offsetAndRotation(-1.25F, -10.0F, 4.0F, (float) (Math.PI / 12), 0.0F, (float) (-Math.PI / 12)));
	}

	public void setupAnim(final DonkeyRenderState state) {
		super.setupAnim(state);
		this.leftChest.visible = state.hasChest;
		this.rightChest.visible = state.hasChest;
	}
}