import * as THREE from 'three';
import _ from 'lodash';

import TrafficControlsBase from 'renderer/traffic_controls/traffic_controls_base';

export default class TrafficSigns extends TrafficControlsBase {
  getPositionAndHeading(sign, coordinates) {
    const heading = TrafficControlsBase.getHeadingFromStopLine(sign);

    if (!isNaN(heading)) {
      const stopLinePoint = _.last(sign.stopLine[0].segment[0].lineSegment.point);
      let position = new THREE.Vector3(stopLinePoint.x, stopLinePoint.y, 0);
      position = coordinates.applyOffset(position);

      return { pos: position, heading: heading - Math.PI / 2 };
    }
    console.error('Error loading traffic sign. Unable to determine heading.');
    return null;
  }
}