import { createCloudFrontEvent } from '../test-utils';
import { handler } from '../../src/api-handler';
import { CloudFrontResponseResult } from 'next-aws-cloudfront/node_modules/@types/aws-lambda';

jest.mock('../../src/manifest.json', () => require('./api-build-manifest.json'), {
  virtual: true,
});

const mockPageRequire = (mockPagePath: string): void => {
  jest.mock(
    `../../src/${mockPagePath}`,
    () => require(`../shared-fixtures/built-artifact/${mockPagePath}`),
    {
      virtual: true,
    }
  );
};

describe('API lambda handler', () => {
  it('serves api request', async () => {
    const event = createCloudFrontEvent({
      uri: '/api/getCustomers',
      host: 'mydistribution.cloudfront.net',
      origin: {
        s3: {
          domainName: 'my-bucket.s3.amazonaws.com',
        },
      },
    });

    mockPageRequire('pages/api/getCustomers.js');

    const response = (await handler(event)) as CloudFrontResponseResult;

    const decodedBody = new Buffer(response.body, 'base64').toString('utf8');

    expect(decodedBody).toEqual('pages/api/getCustomers');
    expect(response.status).toEqual(200);
  });

  it('returns 404 for not-found api routes', async () => {
    const event = createCloudFrontEvent({
      uri: '/foo/bar',
      host: 'mydistribution.cloudfront.net',
      origin: {
        s3: {
          domainName: 'my-bucket.s3.amazonaws.com',
        },
      },
    });

    mockPageRequire('pages/api/getCustomers.js');

    const response = (await handler(event)) as CloudFrontResponseResult;

    expect(response.status).toEqual('404');
  });
});