import * as should from 'should';
import { Response } from '../../lib/response';

/**
 * Test `Request`.
 */

const generateBaseResponse = () => {
  return {
    headers: {
      bar: 'foo',
    } as any,
    body: {
      foobar: 'barfoo',
    } as any,
  } as any;
};

describe('Response', () => {
  it('should instantiate with a basic request', () => {
    const originalResponse = generateBaseResponse();

    const response = new Response(originalResponse);
    response.headers.should.eql(originalResponse.headers);
    response.body.should.eql(originalResponse.body);
    response.status.should.eql(200);
  });

  it('should allow a response to be passed without a body', () => {
    const originalResponse = generateBaseResponse();
    delete originalResponse.body;

    const response = new Response(originalResponse);
    response.headers.should.eql(originalResponse.headers);
    response.body.should.eql({});
    response.status.should.eql(200);
  });

  it('should allow a response to be passed without headers', () => {
    const originalResponse = generateBaseResponse();
    delete originalResponse.headers;

    const response = new Response(originalResponse);
    response.headers.should.eql({});
    response.body.should.eql(originalResponse.body);
    response.status.should.eql(200);
  });

  it('should convert all header keys to lowercase', () => {
    const originalResponse = generateBaseResponse();
    originalResponse.headers = {
      Foo: 'bar',
      BAR: 'foo',
    };

    const response: any = new Response(originalResponse);
    response.headers.foo.should.eql('bar');
    response.headers.bar.should.eql('foo');
    should.not.exist(response.headers.Foo);
    should.not.exist(response.headers.BAR);
  });

  it('should include additional properties passed in the response', () => {
    const originalResponse = generateBaseResponse();
    originalResponse.custom = {
      newFoo: 'newBar',
    };

    originalResponse.custom2 = {
      newBar: 'newFoo',
    };

    const response: any = new Response(originalResponse);
    response.headers.should.eql(originalResponse.headers);
    response.body.should.eql(originalResponse.body);
    response.custom.should.eql(originalResponse.custom);
    response.custom2.should.eql(originalResponse.custom2);
  });

  it('should allow getting of headers using `response.get`', () => {
    const originalResponse = generateBaseResponse();

    const response = new Response(originalResponse);
    response.get('bar').should.eql(originalResponse.headers.bar);
  });

  it('should allow getting of headers using `response.get`', () => {
    const originalResponse = generateBaseResponse();

    const response = new Response(originalResponse);
    response.get('bar').should.eql(originalResponse.headers.bar);
  });

  it('should allow setting of headers using `response.set`', () => {
    const originalResponse = generateBaseResponse();

    const response: any = new Response(originalResponse);
    response.headers.should.eql(originalResponse.headers);
    response.set('new_header', 'new_value');
    response.headers.bar.should.eql('foo');
    response.headers.new_header.should.eql('new_value');
  });

  it('should process redirect', () => {
    const originalResponse = generateBaseResponse();

    const response: any = new Response(originalResponse);
    response.headers.should.eql(originalResponse.headers);
    response.status.should.eql(200);
    response.redirect('http://foo.bar');
    response.headers.location.should.eql('http://foo.bar');
    response.status.should.eql(302);
  });
});