const YandexMoneySdk = require("yandex-money-sdk-ext");

const clientId = '/* yopur application ID */';
const scope = [
    'account-info',
    'operation-history',
    'operation-details',
    'payment-p2p',
    'incoming-transfers',
    'payment-shop'
];
const redirectURI = 'https://localhost';
const url = YandexMoneySdk.buildObtainTokenUrl(clientId, redirectURI, scope);

const YandexMoneySdk = require("yandex-money-sdk-ext");
const api = new YandexMoneySdk();

const code = '/* code from query params */';
api.getAccessToken(clientId, code, redirectURI, clientSecret, (err, data) => {
  if (err) {
    // process error
  }
  const access_token = data.access_token;
  // save it to DB, config, etc..
});

const api = new YandexMoneySdk(access_token);

// Get account info (https://tech.yandex.ru/money/doc/dg/reference/account-info-docpage/)
api.accountInfo((err, data) => {
  if (err) {
    // process error
  }
  console.log(data);
  /* Data like:
  { account: '410012345678901',
    balance: 50.25,
    currency: '643',
    account_type: 'personal',
    identified: false,
    account_status: 'named',
    balance_details: { total: 50.25, available: 50.25, hold: 0.20 }
  }
   */
});

// Fetch last 3 records of operation history (https://tech.yandex.ru/money/doc/dg/reference/operation-history-docpage/)
api.operationHistory({}, (err, data) => {
  if (err) {
    // process error
  }
  console.log(data);
  /* Data like:
  { next_record: '3',
    operations:
    [
      {pattern_id: '337',
       operation_id: '546520000000011223',
       title: 'МегаФон (Россия): +7 926 *****66',
       amount: 20,
       direction: 'out',
       datetime: '2017-02-24T12:32:42Z',
       status: 'success',
       type: 'payment-shop',
       group_id: 'pattern_337',
       categories: [Object]
      },
      // ...
    ]}  
   */
});

// Make request payment and process it
const options = {
    "pattern_id": "p2p",
    "to": "410011161616877",
    "amount_due": "0.02",
    "comment": "test payment comment from yandex-money-nodejs",
    "message": "test payment message from yandex-money-nodejs",
    "label": "testPayment",
    "test_payment": true,
    "test_result": "success"
};
api.requestPayment(options, (err, data) => {
  if (err) {
    // process error
  }
  if (data.status !== "success") {
    // process failure
  }
  const request_id = data.request_id;

  api.processPayment({
    "request_id": request_id
  }, (err, data) => {
    if (err) {
      // process error
    }
    // process status
  });
});

// Create api without access token
const api = new YandexMoneySdk();
api.getInstanceId(clientId, (err, data) => {
  if (err) {
    // process error
  }
  const instanceId = data.instance_id;
  // save it to DB
});

const options = {
    // pattern_id, etc..
};

YandexMoneySdk.requestExternalPayment(instanceId, options, (err, data) => {
  if (err) {
    // process error
  }
  const requestId = data.request_id;
});

externalPayment.process(instanceId, {request_id: requestId}, (err, data) => {
  if (err) {
    // process error
  }
  // process data
});

const api = new YandexMoneySdk("access_token", {
  url: 'https://money.yandex.ru',
  userAgent: 'Yandex.Money.SDK/NodeJS',
  proxy: '' // Optional proxy server like "http://username:password@localhost:3128"
});