import { IcyNetUser } from '../../common/types/user';
import * as THREE from 'three';
import { PonyEntity } from './pony';
import { Packet } from '../../common/types/packet';

export class PlayerEntity extends PonyEntity {
  private uncommittedPacket: Packet = {};
  constructor(public user: IcyNetUser) {
    super();
  }

  public static fromUser(user: IcyNetUser, scene: THREE.Scene): PlayerEntity {
    const entity = new PlayerEntity(user);
    entity.initialize();
    entity.addNameTag(user.display_name);
    scene.add(entity.container);
    return entity;
  }

  public setVelocity(velocity: THREE.Vector3) {
    this.velocity.copy(velocity);
  }

  public setAngularVelocity(velocity: THREE.Vector3) {
    this.angularVelocity.copy(velocity);
  }

  public setPosition(pos: THREE.Vector3) {
    this.container.position.copy(pos);
  }

  public setRotation(rot: THREE.Vector3 | THREE.Euler) {
    this.container.rotation.copy(
      rot instanceof THREE.Euler
        ? rot
        : new THREE.Euler(rot.x, rot.y, rot.z, 'XYZ'),
    );
  }

  public addUncommittedChanges(packet: Packet) {
    this.uncommittedPacket = { ...this.uncommittedPacket, ...packet };
  }

  public update(dt: number) {
    super.update(dt);
    this.commitServerUpdate();
  }

  private setFromPacket(packet: Packet) {
    if (packet.velocity) {
      this.setVelocity(new THREE.Vector3().fromArray(packet.velocity));
    }

    if (packet.position) {
      this.setPosition(new THREE.Vector3().fromArray(packet.position));
    }

    if (packet.rotation) {
      this.setRotation(new THREE.Euler().fromArray(packet.rotation));
    }

    if (packet.angular) {
      this.setAngularVelocity(new THREE.Vector3().fromArray(packet.angular));
    }

    if (packet.animState) {
      this.setWalkAnimationState(packet.animState);
    }
  }

  private commitServerUpdate() {
    this.setFromPacket(this.uncommittedPacket);
    this.uncommittedPacket = {};
  }
}