package net.minecraft.client.model.monster.ravager;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.model.EntityModel;
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.client.renderer.entity.state.RavagerRenderState;
import net.minecraft.util.Mth;

@Environment(EnvType.CLIENT)
public class RavagerModel extends EntityModel<RavagerRenderState> {
	private final ModelPart head;
	private final ModelPart mouth;
	private final ModelPart rightHindLeg;
	private final ModelPart leftHindLeg;
	private final ModelPart rightFrontLeg;
	private final ModelPart leftFrontLeg;
	private final ModelPart neck;

	public RavagerModel(final ModelPart root) {
		super(root);
		this.neck = root.getChild("neck");
		this.head = this.neck.getChild("head");
		this.mouth = this.head.getChild("mouth");
		this.rightHindLeg = root.getChild("right_hind_leg");
		this.leftHindLeg = root.getChild("left_hind_leg");
		this.rightFrontLeg = root.getChild("right_front_leg");
		this.leftFrontLeg = root.getChild("left_front_leg");
	}

	public static LayerDefinition createBodyLayer() {
		MeshDefinition mesh = new MeshDefinition();
		PartDefinition root = mesh.getRoot();
		int legSize = 16;
		PartDefinition neck = root.addOrReplaceChild(
			"neck", CubeListBuilder.create().texOffs(68, 73).addBox(-5.0F, -1.0F, -18.0F, 10.0F, 10.0F, 18.0F), PartPose.offset(0.0F, -7.0F, 5.5F)
		);
		PartDefinition head = neck.addOrReplaceChild(
			"head",
			CubeListBuilder.create().texOffs(0, 0).addBox(-8.0F, -20.0F, -14.0F, 16.0F, 20.0F, 16.0F).texOffs(0, 0).addBox(-2.0F, -6.0F, -18.0F, 4.0F, 8.0F, 4.0F),
			PartPose.offset(0.0F, 16.0F, -17.0F)
		);
		head.addOrReplaceChild(
			"right_horn",
			CubeListBuilder.create().texOffs(74, 55).addBox(0.0F, -14.0F, -2.0F, 2.0F, 14.0F, 4.0F),
			PartPose.offsetAndRotation(-10.0F, -14.0F, -8.0F, 1.0995574F, 0.0F, 0.0F)
		);
		head.addOrReplaceChild(
			"left_horn",
			CubeListBuilder.create().texOffs(74, 55).mirror().addBox(0.0F, -14.0F, -2.0F, 2.0F, 14.0F, 4.0F),
			PartPose.offsetAndRotation(8.0F, -14.0F, -8.0F, 1.0995574F, 0.0F, 0.0F)
		);
		head.addOrReplaceChild("mouth", CubeListBuilder.create().texOffs(0, 36).addBox(-8.0F, 0.0F, -16.0F, 16.0F, 3.0F, 16.0F), PartPose.offset(0.0F, -2.0F, 2.0F));
		root.addOrReplaceChild(
			"body",
			CubeListBuilder.create().texOffs(0, 55).addBox(-7.0F, -10.0F, -7.0F, 14.0F, 16.0F, 20.0F).texOffs(0, 91).addBox(-6.0F, 6.0F, -7.0F, 12.0F, 13.0F, 18.0F),
			PartPose.offsetAndRotation(0.0F, 1.0F, 2.0F, (float) (Math.PI / 2), 0.0F, 0.0F)
		);
		root.addOrReplaceChild(
			"right_hind_leg", CubeListBuilder.create().texOffs(96, 0).addBox(-4.0F, 0.0F, -4.0F, 8.0F, 37.0F, 8.0F), PartPose.offset(-8.0F, -13.0F, 18.0F)
		);
		root.addOrReplaceChild(
			"left_hind_leg", CubeListBuilder.create().texOffs(96, 0).mirror().addBox(-4.0F, 0.0F, -4.0F, 8.0F, 37.0F, 8.0F), PartPose.offset(8.0F, -13.0F, 18.0F)
		);
		root.addOrReplaceChild(
			"right_front_leg", CubeListBuilder.create().texOffs(64, 0).addBox(-4.0F, 0.0F, -4.0F, 8.0F, 37.0F, 8.0F), PartPose.offset(-8.0F, -13.0F, -5.0F)
		);
		root.addOrReplaceChild(
			"left_front_leg", CubeListBuilder.create().texOffs(64, 0).mirror().addBox(-4.0F, 0.0F, -4.0F, 8.0F, 37.0F, 8.0F), PartPose.offset(8.0F, -13.0F, -5.0F)
		);
		return LayerDefinition.create(mesh, 128, 128);
	}

	public void setupAnim(final RavagerRenderState state) {
		super.setupAnim(state);
		float stunnedTick = state.stunnedTicksRemaining;
		float attackTick = state.attackTicksRemaining;
		int attackTime = 10;
		if (attackTick > 0.0F) {
			float headAnim = Mth.triangleWave(attackTick, 10.0F);
			float scaled = (1.0F + headAnim) * 0.5F;
			float headPos = scaled * scaled * scaled * 12.0F;
			float yOffset = headPos * Mth.sin(this.neck.xRot);
			this.neck.z = -6.5F + headPos;
			this.neck.y = -7.0F - yOffset;
			if (attackTick > 5.0F) {
				this.mouth.xRot = Mth.sin((-4.0F + attackTick) / 4.0F) * (float) Math.PI * 0.4F;
			} else {
				this.mouth.xRot = (float) (Math.PI / 20) * Mth.sin((float) Math.PI * attackTick / 10.0F);
			}
		} else {
			float headPos = -1.0F;
			float yOffset = -1.0F * Mth.sin(this.neck.xRot);
			this.neck.x = 0.0F;
			this.neck.y = -7.0F - yOffset;
			this.neck.z = 5.5F;
			boolean isStunned = stunnedTick > 0.0F;
			this.neck.xRot = isStunned ? 0.21991149F : 0.0F;
			this.mouth.xRot = (float) Math.PI * (isStunned ? 0.05F : 0.01F);
			if (isStunned) {
				double speed = stunnedTick / 40.0;
				this.neck.x = (float)Math.sin(speed * 10.0) * 3.0F;
			} else if (state.roarAnimation > 0.0) {
				float mouthAnim = Mth.sin(state.roarAnimation * (float) Math.PI * 0.25F);
				this.mouth.xRot = (float) (Math.PI / 2) * mouthAnim;
			}
		}

		this.head.xRot = state.xRot * (float) (Math.PI / 180.0);
		this.head.yRot = state.yRot * (float) (Math.PI / 180.0);
		float animationPos = state.walkAnimationPos;
		float legRot = 0.4F * state.walkAnimationSpeed;
		this.rightHindLeg.xRot = Mth.cos(animationPos * 0.6662F) * legRot;
		this.leftHindLeg.xRot = Mth.cos(animationPos * 0.6662F + (float) Math.PI) * legRot;
		this.rightFrontLeg.xRot = Mth.cos(animationPos * 0.6662F + (float) Math.PI) * legRot;
		this.leftFrontLeg.xRot = Mth.cos(animationPos * 0.6662F) * legRot;
	}
}