package net.minecraft.client.model;

import java.util.Set;
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.CubeListBuilder;
import net.minecraft.client.model.geom.builders.LayerDefinition;
import net.minecraft.client.model.geom.builders.MeshDefinition;
import net.minecraft.client.model.geom.builders.MeshTransformer;
import net.minecraft.client.model.geom.builders.PartDefinition;
import net.minecraft.client.renderer.entity.state.RabbitRenderState;
import net.minecraft.util.Mth;

@Environment(EnvType.CLIENT)
public class RabbitModel extends EntityModel<RabbitRenderState> {
	private static final float REAR_JUMP_ANGLE = 50.0F;
	private static final float FRONT_JUMP_ANGLE = -40.0F;
	private static final float NEW_SCALE = 0.6F;
	private static final MeshTransformer ADULT_TRANSFORMER = MeshTransformer.scaling(0.6F);
	private static final MeshTransformer BABY_TRANSFORMER = new BabyModelTransform(
		true, 22.0F, 2.0F, 2.65F, 2.5F, 36.0F, Set.of("head", "left_ear", "right_ear", "nose")
	);
	private static final String LEFT_HAUNCH = "left_haunch";
	private static final String RIGHT_HAUNCH = "right_haunch";
	private final ModelPart leftHaunch;
	private final ModelPart rightHaunch;
	private final ModelPart leftFrontLeg;
	private final ModelPart rightFrontLeg;
	/**
	 * The Rabbit's Head
	 */
	private final ModelPart head;

	public RabbitModel(ModelPart root) {
		super(root);
		this.leftHaunch = root.getChild("left_haunch");
		this.rightHaunch = root.getChild("right_haunch");
		this.leftFrontLeg = root.getChild("left_front_leg");
		this.rightFrontLeg = root.getChild("right_front_leg");
		this.head = root.getChild("head");
	}

	public static LayerDefinition createBodyLayer(boolean baby) {
		MeshDefinition meshDefinition = new MeshDefinition();
		PartDefinition partDefinition = meshDefinition.getRoot();
		PartDefinition partDefinition2 = partDefinition.addOrReplaceChild(
			"left_haunch",
			CubeListBuilder.create().texOffs(30, 15).addBox(-1.0F, 0.0F, 0.0F, 2.0F, 4.0F, 5.0F),
			PartPose.offsetAndRotation(3.0F, 17.5F, 3.7F, -0.36651915F, 0.0F, 0.0F)
		);
		PartDefinition partDefinition3 = partDefinition.addOrReplaceChild(
			"right_haunch",
			CubeListBuilder.create().texOffs(16, 15).addBox(-1.0F, 0.0F, 0.0F, 2.0F, 4.0F, 5.0F),
			PartPose.offsetAndRotation(-3.0F, 17.5F, 3.7F, -0.36651915F, 0.0F, 0.0F)
		);
		partDefinition2.addOrReplaceChild(
			"left_hind_foot", CubeListBuilder.create().texOffs(26, 24).addBox(-1.0F, 5.5F, -3.7F, 2.0F, 1.0F, 7.0F), PartPose.rotation(0.36651915F, 0.0F, 0.0F)
		);
		partDefinition3.addOrReplaceChild(
			"right_hind_foot", CubeListBuilder.create().texOffs(8, 24).addBox(-1.0F, 5.5F, -3.7F, 2.0F, 1.0F, 7.0F), PartPose.rotation(0.36651915F, 0.0F, 0.0F)
		);
		partDefinition.addOrReplaceChild(
			"body",
			CubeListBuilder.create().texOffs(0, 0).addBox(-3.0F, -2.0F, -10.0F, 6.0F, 5.0F, 10.0F),
			PartPose.offsetAndRotation(0.0F, 19.0F, 8.0F, (float) (-Math.PI / 9), 0.0F, 0.0F)
		);
		partDefinition.addOrReplaceChild(
			"left_front_leg",
			CubeListBuilder.create().texOffs(8, 15).addBox(-1.0F, 0.0F, -1.0F, 2.0F, 7.0F, 2.0F),
			PartPose.offsetAndRotation(3.0F, 17.0F, -1.0F, -0.19198622F, 0.0F, 0.0F)
		);
		partDefinition.addOrReplaceChild(
			"right_front_leg",
			CubeListBuilder.create().texOffs(0, 15).addBox(-1.0F, 0.0F, -1.0F, 2.0F, 7.0F, 2.0F),
			PartPose.offsetAndRotation(-3.0F, 17.0F, -1.0F, -0.19198622F, 0.0F, 0.0F)
		);
		PartDefinition partDefinition4 = partDefinition.addOrReplaceChild(
			"head", CubeListBuilder.create().texOffs(32, 0).addBox(-2.5F, -4.0F, -5.0F, 5.0F, 4.0F, 5.0F), PartPose.offset(0.0F, 16.0F, -1.0F)
		);
		partDefinition4.addOrReplaceChild(
			"right_ear",
			CubeListBuilder.create().texOffs(52, 0).addBox(-2.5F, -9.0F, -1.0F, 2.0F, 5.0F, 1.0F),
			PartPose.offsetAndRotation(0.0F, 0.0F, 0.0F, 0.0F, (float) (-Math.PI / 12), 0.0F)
		);
		partDefinition4.addOrReplaceChild(
			"left_ear",
			CubeListBuilder.create().texOffs(58, 0).addBox(0.5F, -9.0F, -1.0F, 2.0F, 5.0F, 1.0F),
			PartPose.offsetAndRotation(0.0F, 0.0F, 0.0F, 0.0F, (float) (Math.PI / 12), 0.0F)
		);
		partDefinition.addOrReplaceChild(
			"tail",
			CubeListBuilder.create().texOffs(52, 6).addBox(-1.5F, -1.5F, 0.0F, 3.0F, 3.0F, 2.0F),
			PartPose.offsetAndRotation(0.0F, 20.0F, 7.0F, -0.3490659F, 0.0F, 0.0F)
		);
		partDefinition4.addOrReplaceChild("nose", CubeListBuilder.create().texOffs(32, 9).addBox(-0.5F, -2.5F, -5.5F, 1.0F, 1.0F, 1.0F), PartPose.ZERO);
		return LayerDefinition.create(meshDefinition, 64, 32).apply(baby ? BABY_TRANSFORMER : ADULT_TRANSFORMER);
	}

	public void setupAnim(RabbitRenderState rabbitRenderState) {
		super.setupAnim(rabbitRenderState);
		this.head.xRot = rabbitRenderState.xRot * (float) (Math.PI / 180.0);
		this.head.yRot = rabbitRenderState.yRot * (float) (Math.PI / 180.0);
		float f = Mth.sin(rabbitRenderState.jumpCompletion * (float) Math.PI);
		this.leftHaunch.xRot += f * 50.0F * (float) (Math.PI / 180.0);
		this.rightHaunch.xRot += f * 50.0F * (float) (Math.PI / 180.0);
		this.leftFrontLeg.xRot += f * -40.0F * (float) (Math.PI / 180.0);
		this.rightFrontLeg.xRot += f * -40.0F * (float) (Math.PI / 180.0);
	}
}