import React from 'react';
import {
  SelfieError,
  type InitialiseSelfieProps,
  type InitialiseSelfieScanResult,
  type SelfieScanHandle,
} from '../types/sdkTypes';
import Logger from '../utils/logger';
import SelfieScan from '../components/SelfieScan';
import type { GetIdSdk } from '..';

async function initialiseSelfieScan(
  {
    onUserHintChange,
    onCameraReady,
    onServerValidationStarted,
    useAutoCapture,
  }: InitialiseSelfieProps,
  sdk: GetIdSdk
): Promise<InitialiseSelfieScanResult> {
  Logger.log('Initialise Selfie Scan');

  if (!sdk.config.stepsConfigs.selfie) {
    throw new Error('Selfie step not found in the flow');
  }

  const SelfieScanRef = React.createRef<SelfieScanHandle>();

  const component = React.createElement(SelfieScan, {
    ref: SelfieScanRef,
    sdk,
    onUserHintChange,
    onCameraReady,
    onServerValidationStarted,
    useAutoCapture,
  });

  const takePicture = async () => {
    return SelfieScanRef.current?.takePicture?.();
  };

  const capture = async (): Promise<void> => {
    if (SelfieScanRef.current?.capture) {
      return SelfieScanRef.current.capture();
    } else {
      return Promise.reject(new SelfieError('capture is not available'));
    }
  };
  const stopCapture = () => {
    SelfieScanRef.current?.stopCapture?.();
  };

  return {
    component,
    takePicture,
    capture,
    stopCapture,
  };
}

export default initialiseSelfieScan;