import React from 'react';
import DocumentScan from '../components/DocumentScan';
import { DocumentScanError } from '../types/sdkTypes';
import type {
  DocumentScanHandle,
  InitialiseDocumentScanProps,
  InitialiseDocumentScanResult,
  ScannedDocument,
} from '../types/sdkTypes';
import Logger from '../utils/logger';
import type { GetIdSdk } from '@get-id/react-native-sdk';

async function initialiseFrontDocumentScan(
  {
    onUserHintChange,
    onCameraReady,
    onDocumentScanServerValidationStarted,
    useAutoCapture,
    debugMode,
  }: InitialiseDocumentScanProps,
  sdk: GetIdSdk
): Promise<InitialiseDocumentScanResult> {
  Logger.log('Initialise Front Document Scan');

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

  const DocumentScanRef = React.createRef<DocumentScanHandle>();

  const component = React.createElement(DocumentScan, {
    ref: DocumentScanRef,
    sdk,
    config: sdk.config.stepsConfigs.document,
    useAutoCapture,
    debugMode,
    onUserHintChange,
    onCameraReady,
    onDocumentScanServerValidationStarted,
    docType: 'front',
  });

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

  const capture = async (): Promise<ScannedDocument> => {
    if (DocumentScanRef.current?.capture) {
      return DocumentScanRef.current.capture();
    } else {
      return Promise.reject(new DocumentScanError('capture is not available'));
    }
  };

  const uploadDocument = () => {
    return (
      DocumentScanRef.current?.uploadDocument?.() ||
      Promise.reject(new DocumentScanError('uploadDocument is not available'))
    );
  };

  const stopCapture = () => {
    DocumentScanRef.current?.stopCapture?.();
  };

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

export default initialiseFrontDocumentScan;