import supertest from 'supertest';
import should from 'should/as-function';
import db from '../db';


describe('/', () => {
  let server;

  before(done => {
    process.env.port = '2999';
    process.env.NODE_ENV = 'test';
    db.connect('test', done);
  });
  beforeEach(done => {
    delete require.cache[require.resolve('../index')];  // prevent loading from cache
    server = require('../index');
    db.drop(err => {  // reset database
     if (err) return done(err);
     db.loadJson(require('../test/db.json'), done);
    });
  });
  afterEach(done => {
    server.close(done);
  });
  it('returns the root message', done => {
    supertest(server)
      .get('/')
      .expect('Content-type', /json/)
      .expect(200)
      .end((err, res) => {
        if (err) done (err);
        should(res.body).be.eql({status: 'API server up and running!'});
        done();
      });
  });
});

describe('Unknown routes', () => {
  let server;

  before(done => {
    db.connect('test', done);
  });
  beforeEach(done => {
    delete require.cache[require.resolve('../index')];  // prevent loading from cache
    server = require('../index');
    db.drop(err => {  // reset database
     if (err) return done(err);
     db.loadJson(require('../test/db.json'), done);
    });
  });
  afterEach(done => {
    server.close(done);
  });
  it('return a 404 message', done => {
    supertest(server)
      .get('/unknownroute')
      .expect(404)
      .end((err, res) => {
        if (err) done (err);
        should(res.body).be.eql({status: 'Not found'});
        done();
      });
  });
});

describe('An unauthorized request', () => {
  let server;

  before(done => {
    db.connect('test', done);
  });
  beforeEach(done => {
    delete require.cache[require.resolve('../index')];  // prevent loading from cache
    server = require('../index');
    db.drop(err => {  // reset database
     if (err) return done(err);
     db.loadJson(require('../test/db.json'), done);
    });
  });
  afterEach(done => {
    server.close(done);
  });
  it('returns a 401 message', done => {
    supertest(server)
      .get('/authorized')
      .expect(401)
      .end((err, res) => {
        if (err) done (err);
        should(res.body).be.eql({status: 'Unauthorized'});
        done();
      });
  });
  it('does not work with correct username', done => {
    supertest(server)
      .get('/authorized')
      .auth('admin', 'Abc123!!')
      .expect(401)
      .end((err, res) => {
        if (err) done (err);
        should(res.body).be.eql({status: 'Unauthorized'});
        done();
      });
  });
});

describe('An authorized request', () => {
  let server;

  before(done => {
    db.connect('test', done);
  });
  beforeEach(done => {
    delete require.cache[require.resolve('../index')];  // prevent loading from cache
    server = require('../index');
    db.drop(err => {  // reset database
     if (err) return done(err);
     db.loadJson(require('../test/db.json'), done);
    });
  });
  afterEach(done => {
    server.close(done);
  });
  it('works with an API key', done => {
    supertest(server)
      .get('/authorized?key=5ea131671feb9c2ee0aafc9a')
      .expect(200)
      .end((err, res) => {
        if (err) done (err);
        should(res.body).be.eql({status: 'Authorization successful', method: 'key'});
        done();
      });
  });
  it('works with basic auth', done => {
    supertest(server)
      .get('/authorized')
      .auth('admin', 'Abc123!#')
      .expect(200)
      .end((err, res) => {
        if (err) done (err);
        should(res.body).be.eql({status: 'Authorization successful', method: 'basic'});
        done();
      });
  });
});