import 'mocha';
import * as restify from 'restify';
import { graphiqlRestify, graphqlRestify } from './restifyApollo';
import testSuite, { schema, CreateAppOptions } from 'graphql-server-integration-testsuite';
import { expect } from 'chai';
import { GraphQLOptions } from 'graphql-server-core';
import 'mocha';

function createApp(options: CreateAppOptions = {}) {
  const server = restify.createServer({
    name: 'Restify Test Server',
  });

  options.graphqlOptions = options.graphqlOptions || { schema };
  if (!options.excludeParser) {
    server.use(restify.bodyParser());
    server.use(restify.queryParser());
  }

  if (options.graphiqlOptions ) {
    server.get('/graphiql', graphiqlRestify( options.graphiqlOptions ));
  }

  server.get('/graphql', graphqlRestify(options.graphqlOptions));
  server.post('/graphql', graphqlRestify(options.graphqlOptions));

  return server;
}

describe('graphqlRestify', () => {
  it('throws error if called without schema', () => {
     expect(() => graphqlRestify(undefined as GraphQLOptions)).to.throw('Apollo Server requires options.');
  });

  it('throws an error if called with more than one argument', () => {
     expect(() => (<any>graphqlRestify)({}, 'x')).to.throw(
       'Apollo Server expects exactly one argument, got 2');
  });

  it('generates a function if the options are ok', () => {
    expect(() => graphqlRestify({ schema })).to.be.a('function');
  });
});

describe('integration:Restify', () => {
  testSuite(createApp);
});