import { DiditSdk } from '@didit-protocol/sdk-web';

// Set up completion callback
DiditSdk.shared.onComplete = (result) => {
  switch (result.type) {
    case 'completed':
      console.log('Verification completed!');
      console.log('Session ID:', result.session?.sessionId);
      console.log('Status:', result.session?.status);
      break;
    case 'cancelled':
      console.log('User cancelled verification');
      break;
    case 'failed':
      console.error('Verification failed:', result.error?.message);
      break;
  }
};

// Start verification with URL (from your backend or UniLink)
DiditSdk.shared.startVerification({
  url: 'https://verify.didit.me/session/session-token'
});

DiditSdk.shared.startVerification({
  // You can get this link by clicking on "copy link" in the workflows view
  url: 'https://verify.didit.me/u/WORKFLOW_ID_IN_BASE_64'
});

// Get the verification URL from your backend
const { url } = await yourBackend.createVerificationSession();

DiditSdk.shared.startVerification({
  url,
  configuration: {
    loggingEnabled: true
  }
});

interface DiditSdkConfiguration {
  /**
   * Enable SDK logging for debugging
   * @default false
   */
  loggingEnabled?: boolean;

  /**
   * Custom container element to mount the modal
   * @default document.body
   */
  containerElement?: HTMLElement;

  /**
   * Z-index for the modal overlay
   * @default 9999
   */
  zIndex?: number;

  /**
   * Show close button on modal
   * @default true
   */
  showCloseButton?: boolean;

  /**
   * Show exit confirmation dialog when closing
   * @default true
   */
  showExitConfirmation?: boolean;  
  /**
   * Automatically close modal when verification completes
   * @default false
   */
  closeModalOnComplete?: boolean;

  /**
   * Render verification inline instead of modal overlay
   * @default false
   */
  embedded?: boolean;

  /**
   * Container element ID for embedded mode
   * Required when embedded is true
   */
  embeddedContainerId?: string;
}

DiditSdk.shared.startVerification({
  url: 'https://verify.didit.me/u/...',
  configuration: {
    embedded: true,
    embeddedContainerId: 'verification-container'
  }
});

{
  type: 'completed',
  session: {
    sessionId: 'session-uuid',
    status: 'Approved' | 'Pending' | 'Declined'
  }
}

{
  type: 'cancelled',
  session: {
    sessionId: 'session-uuid',
    status: 'Pending'
  }
}

{
  type: 'failed',
  error: {
    type: 'sessionExpired' | 'networkError' | 'cameraAccessDenied' | 'unknown',
    message: 'Your verification session has expired.'
  }
}

DiditSdk.shared.onStateChange = (state, error) => {
  switch (state) {
    case 'idle':
      // Ready to start
      break;
    case 'loading':
      // Loading verification iframe
      showLoadingSpinner();
      break;
    case 'ready':
      // Verification in progress
      hideLoadingSpinner();
      break;
    case 'error':
      // Error occurred
      showError(error);
      break;
  }
};

// Check current state
console.log(DiditSdk.shared.state);

// Check if verification is presented
console.log(DiditSdk.shared.isPresented);

DiditSdk.shared.onEvent = (event) => {
  console.log('Event:', event.type, event.data);
};