import * as THREE from 'three';

import {Handedness} from '../Hands';
import {
  BuiltInGestureName,
  GestureConfiguration,
} from './GestureRecognitionOptions';

export type HandLabel = 'left' | 'right';

export type JointPositions = Map<string, THREE.Vector3>;

export type HandContext = {
  handedness: Handedness;
  handLabel: HandLabel;
  joints: JointPositions;
};

export type GestureDetectionResult = {
  confidence: number;
  data?: Record<string, unknown>;
};

export type GestureDetector = (
  context: HandContext,
  config: GestureConfiguration
) => GestureDetectionResult | undefined;

export type GestureDetectorMap = Partial<
  Record<BuiltInGestureName, GestureDetector>
>;