import { KeystoreAccess, BiometricIDAvailableResult } from "nativescript-keystore-access";

class MyClass {
  private keystoreAccess: KeystoreAccess;

  constructor() {
    this.keystoreAccess = new KeystoreAccess();
  }

  this.keystoreAccess.available().then((result: BiometricIDAvailableResult) => {
    console.log(`Biometric ID available? ${result.any}`);
    console.log(`Touch? ${result.touch}`);
    console.log(`Face? ${result.face}`);
    if (result.customUI) {
        // You must show a custom biometrics UI, basicly this means you are on Android and the OS does not show a UI for you.
        // You can at any time call `useCustomUI` to check if you should show a custom biometrics UI.
    }
  }).catch(err => {
    console.log("doCheckAvailable error: " + err.code + ", " + err.message);
  });
}

import { KeystoreAccess } from "nativescript-keystore-access";

class MyClass {
  private keystoreAccess: KeystoreAccess;

  constructor() {
    this.keystoreAccess = new KeystoreAccess();
  }

  if (this.keystoreAccess.useCustomUI()) {
    // You must show a custom biometrics UI, basicly this means you are on Android and the OS does not show a UI for you.
    // You can at any time call `useCustomUI` to check if you should show a custom biometrics UI.
  }
}

import { KeystoreAccess } from "nativescript-keystore-access";

class MyClass {
  private keystoreAccess: KeystoreAccess;

  constructor() {
    this.keystoreAccess = new KeystoreAccess();
  }

  // Remember to call "useCustomUI()" and show some UI that is indicating to the user that the device is awaiting a fingerprint.
  this.keystoreAccess.storeDataWithFingerprint(
      keystoreKeyAlias: "ALIAS", // A unique id for your data, use the same key for encryption and decryption of the same data, and another key for different data.
      data: "This is a secret", // The string you want to encrypt and store.
      biometricMessage: "Biometric Message" // A short description that will show up on the iOS biometrics dialog.
    ).then((result: void) => {
    console.log("Your secret is safe with me");
    // You can now remove your custom biometrics UI
  }).catch(err => {
    console.log("storeDataWithFingerprint error: " + err.code + ", " + err.message);
    // Inform the user of the error, that may or may not be recoverable, on your custom biometrics UI
  });
}

import { KeystoreAccess } from "nativescript-keystore-access";

class MyClass {
  private keystoreAccess: KeystoreAccess;

  constructor() {
    this.keystoreAccess = new KeystoreAccess();
  }

  // Remember to call "useCustomUI()" and show some UI that is indicating to the user that the device is awaiting a fingerprint.
  this.keystoreAccess.retrieveDataWithFingerprint(
      keystoreKeyAlias: "ALIAS", // A unique id for your data, use the same key for encryption and decryption of the same data, and another key for different data.
      biometricPromptMessage: "Biometric Prompt Message" // A short description that will show up on the iOS biometrics dialog.
    ).then((result: string) => {
    console.log("I just unlocked your secret: " + result);
    // You can now remove your custom biometrics UI
  }).catch(err => {
    console.log("retrieveDataWithFingerprint error: " + err.code + ", " + err.message);
    // Inform the user of the error, that may or may not be recoverable, on your custom biometrics UI
  });
}

import { KeystoreAccess } from "nativescript-keystore-access";

class MyClass {
  private keystoreAccess: KeystoreAccess;

  constructor() {
    this.keystoreAccess = new KeystoreAccess();
  }

  if (this.keystoreAccess.fingerprintEncryptedDataExists(
    keystoreKeyAlias: "ALIAS" // A unique id for your data, use the same key for encryption and decryption of the same data, and another key for different data.
  )) {
    console.log("You have encrypted data store on this device, go ahead and retrieve it if you like");
  )
}

import { KeystoreAccess } from "nativescript-keystore-access";

class MyClass {
  private keystoreAccess: KeystoreAccess;

  constructor() {
    this.keystoreAccess = new KeystoreAccess();
  }

  this.keystoreAccess.deleteFingerprintEncryptedData(
    keystoreKeyAlias: "ALIAS" // A unique id for your data, use the same key for encryption and decryption of the same data, and another key for different data.
  );
}

enum ERROR_CODES {
  RECOVERABLE_ERROR_BIOMETRICS_NOT_RECOGNIZED = 102, // Biometrics are working and configured correctly, but the biometric input was not recognized
  RECOVERABLE_ERROR_FINGER_MOVED_TO_FAST = 102, // Finger moved to fast on the fingerprint sensor (only Android)
  RECOVERABLE_ERROR_FINGER_MUST_COVER_SENSOR = 101, // Finger must cover entire sensor (only Android)
  DEVELOPER_ERROR = 10, // Unexpected error, report to maintainer of plugin please
  NOT_AVAILABLE = 20, // Biometrics are not available on device
  TAMPERED_WITH = -5, // Biometrics was changed (added or removed) since last successful authentication, maybe a hacker was on your device
  AUTHENTICATION_FAILED = -1, // Biometrics are working and configured correctly, but the biometric input was not recognized
  CANCEL = -2 // Biometric authentication was canceled, probably by user
}