package net.minecraft.client.model;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.mojang.blaze3d.vertex.PoseStack;
import com.mojang.blaze3d.vertex.VertexConsumer;
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.PartDefinition;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.animal.Turtle;

@Environment(EnvType.CLIENT)
public class TurtleModel<T extends Turtle> extends QuadrupedModel<T> {
	private static final String EGG_BELLY = "egg_belly";
	private final ModelPart eggBelly;

	public TurtleModel(ModelPart root) {
		super(root, true, 120.0F, 0.0F, 9.0F, 6.0F, 120);
		this.eggBelly = root.getChild("egg_belly");
	}

	public static LayerDefinition createBodyLayer() {
		MeshDefinition meshDefinition = new MeshDefinition();
		PartDefinition partDefinition = meshDefinition.getRoot();
		partDefinition.addOrReplaceChild(
			"head", CubeListBuilder.create().texOffs(3, 0).addBox(-3.0F, -1.0F, -3.0F, 6.0F, 5.0F, 6.0F), PartPose.offset(0.0F, 19.0F, -10.0F)
		);
		partDefinition.addOrReplaceChild(
			"body",
			CubeListBuilder.create()
				.texOffs(7, 37)
				.addBox("shell", -9.5F, 3.0F, -10.0F, 19.0F, 20.0F, 6.0F)
				.texOffs(31, 1)
				.addBox("belly", -5.5F, 3.0F, -13.0F, 11.0F, 18.0F, 3.0F),
			PartPose.offsetAndRotation(0.0F, 11.0F, -10.0F, (float) (Math.PI / 2), 0.0F, 0.0F)
		);
		partDefinition.addOrReplaceChild(
			"egg_belly",
			CubeListBuilder.create().texOffs(70, 33).addBox(-4.5F, 3.0F, -14.0F, 9.0F, 18.0F, 1.0F),
			PartPose.offsetAndRotation(0.0F, 11.0F, -10.0F, (float) (Math.PI / 2), 0.0F, 0.0F)
		);
		int i = 1;
		partDefinition.addOrReplaceChild(
			"right_hind_leg", CubeListBuilder.create().texOffs(1, 23).addBox(-2.0F, 0.0F, 0.0F, 4.0F, 1.0F, 10.0F), PartPose.offset(-3.5F, 22.0F, 11.0F)
		);
		partDefinition.addOrReplaceChild(
			"left_hind_leg", CubeListBuilder.create().texOffs(1, 12).addBox(-2.0F, 0.0F, 0.0F, 4.0F, 1.0F, 10.0F), PartPose.offset(3.5F, 22.0F, 11.0F)
		);
		partDefinition.addOrReplaceChild(
			"right_front_leg", CubeListBuilder.create().texOffs(27, 30).addBox(-13.0F, 0.0F, -2.0F, 13.0F, 1.0F, 5.0F), PartPose.offset(-5.0F, 21.0F, -4.0F)
		);
		partDefinition.addOrReplaceChild(
			"left_front_leg", CubeListBuilder.create().texOffs(27, 24).addBox(0.0F, 0.0F, -2.0F, 13.0F, 1.0F, 5.0F), PartPose.offset(5.0F, 21.0F, -4.0F)
		);
		return LayerDefinition.create(meshDefinition, 128, 64);
	}

	@Override
	protected Iterable<ModelPart> bodyParts() {
		return Iterables.concat(super.bodyParts(), ImmutableList.of(this.eggBelly));
	}

	/**
	 * Sets this entity's model rotation angles
	 */
	public void setupAnim(T entity, float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch) {
		super.setupAnim(entity, limbSwing, limbSwingAmount, ageInTicks, netHeadYaw, headPitch);
		this.rightHindLeg.xRot = Mth.cos(limbSwing * 0.6662F * 0.6F) * 0.5F * limbSwingAmount;
		this.leftHindLeg.xRot = Mth.cos(limbSwing * 0.6662F * 0.6F + (float) Math.PI) * 0.5F * limbSwingAmount;
		this.rightFrontLeg.zRot = Mth.cos(limbSwing * 0.6662F * 0.6F + (float) Math.PI) * 0.5F * limbSwingAmount;
		this.leftFrontLeg.zRot = Mth.cos(limbSwing * 0.6662F * 0.6F) * 0.5F * limbSwingAmount;
		this.rightFrontLeg.xRot = 0.0F;
		this.leftFrontLeg.xRot = 0.0F;
		this.rightFrontLeg.yRot = 0.0F;
		this.leftFrontLeg.yRot = 0.0F;
		this.rightHindLeg.yRot = 0.0F;
		this.leftHindLeg.yRot = 0.0F;
		if (!entity.isInWater() && entity.onGround()) {
			float f = entity.isLayingEgg() ? 4.0F : 1.0F;
			float g = entity.isLayingEgg() ? 2.0F : 1.0F;
			float h = 5.0F;
			this.rightFrontLeg.yRot = Mth.cos(f * limbSwing * 5.0F + (float) Math.PI) * 8.0F * limbSwingAmount * g;
			this.rightFrontLeg.zRot = 0.0F;
			this.leftFrontLeg.yRot = Mth.cos(f * limbSwing * 5.0F) * 8.0F * limbSwingAmount * g;
			this.leftFrontLeg.zRot = 0.0F;
			this.rightHindLeg.yRot = Mth.cos(limbSwing * 5.0F + (float) Math.PI) * 3.0F * limbSwingAmount;
			this.rightHindLeg.xRot = 0.0F;
			this.leftHindLeg.yRot = Mth.cos(limbSwing * 5.0F) * 3.0F * limbSwingAmount;
			this.leftHindLeg.xRot = 0.0F;
		}

		this.eggBelly.visible = !this.young && entity.hasEgg();
	}

	@Override
	public void renderToBuffer(PoseStack poseStack, VertexConsumer buffer, int packedLight, int packedOverlay, int color) {
		boolean bl = this.eggBelly.visible;
		if (bl) {
			poseStack.pushPose();
			poseStack.translate(0.0F, -0.08F, 0.0F);
		}

		super.renderToBuffer(poseStack, buffer, packedLight, packedOverlay, color);
		if (bl) {
			poseStack.popPose();
		}
	}
}