/* globals describe, it, expect, beforeAll, beforeEach, afterEach */

const zapier = require('zapier-platform-core');
const nock = require('nock');

zapier.tools.env.inject(); // read from the .env file

const App = require('../index');
const appTester = zapier.createAppTester(App);

// Only here so the tests out of the box.
// You should create a `.env` file and populate it with the necessarily configuration
// it should look like:
/*
    CLIENT_ID=1234
    CLIENT_SECRET=asdf
*/
// then you can delete the following 2 lines
process.env.CLIENT_ID = process.env.CLIENT_ID || '1234';
process.env.CLIENT_SECRET = process.env.CLIENT_SECRET || 'asdf';

describe('oauth2 app', () => {
  beforeAll(() => {
    // It's a good idea to store your Client ID and Secret in the environment rather than in code.
    if (!(process.env.CLIENT_ID && process.env.CLIENT_SECRET)) {
      throw new Error(
        `Before running the tests, make sure CLIENT_ID and CLIENT_SECRET are available in the environment.`,
      );
    }
  });

  afterEach(() => {
    nock.cleanAll();
  });

  it('generates an authorize URL', async () => {
    const bundle = {
      // In production, these will be generated by Zapier and set automatically
      inputData: {
        state: '4444',
        redirect_uri: 'https://zapier.com/',
      },
      environment: {
        CLIENT_ID: process.env.CLIENT_ID,
        CLIENT_SECRET: process.env.CLIENT_SECRET,
      },
    };

    const authorizeUrl = await appTester(
      App.authentication.oauth2Config.authorizeUrl,
      bundle,
    );

    expect(authorizeUrl).toBe(
      'https://github.com/login/oauth/authorize?client_id=1234&state=4444&redirect_uri=https%3A%2F%2Fzapier.com%2F&response_type=code',
    );
  });
});

describe('getAccessToken', () => {
  beforeEach(async () => {
    nock('https://github.com/login/oauth')
      .post('/access_token')
      .reply(200, { access_token: 'someAccessToken' });
  });

  afterEach(() => {
    nock.cleanAll();
  });

  it('returns the expected tokens', async () => {
    const result = await appTester(
      App.authentication.oauth2Config.getAccessToken,
    );
    expect(result.access_token).toBe('someAccessToken');
  });
});

describe('testAuth', () => {
  const bundle = {
    // In production, these will be generated by Zapier and set automatically
    inputData: {
      state: '4444',
      redirect_uri: 'https://zapier.com/',
    },
    environment: {
      CLIENT_ID: process.env.CLIENT_ID,
      CLIENT_SECRET: process.env.CLIENT_SECRET,
    },
  };

  beforeEach(async () => {
    nock('https://api.github.com')
      .get('/user')
      .reply(200, {
        json: {
          login: 'myLogin',
        },
      });
  });

  afterEach(() => {
    nock.cleanAll();
  });

  it('returns the expected info', async () => {
    const result = await appTester(App.authentication.test, bundle);
    expect(result.data.json.login).toBe('myLogin');
  });
});