const Q = require('q');
const fixture = require('./fixture');
const request = require('request');
const io = require('socket.io-client');

describe('authorizer', function() {
  //start and stop the server
  before(function(done) { fixture.start({ }, done) });
  after(fixture.stop);

  describe('when the user is not logged in', function () {
    it('should emit error with unauthorized handshake', function (done) {
      const socket = io.connect('http://localhost:9000?token=boooooo', {
        forceNew: true
      });

      socket.on('error', function(err) {
        err.message.should.eql("jwt malformed");
        err.code.should.eql("invalid_token");
        socket.close();
        done();
      });
    });
  });

  describe('when the user is logged in', function() {
    before(function (done) {
      request.post({
        url: 'http://localhost:9000/login',
        form: { username: 'jose', password: 'Pa123' },
        json: true
      }, function (err, resp, body) {
        this.token = body.token;
        done();
      }.bind(this));
    });

    describe('authorizer disallows query string token when specified in startup options', function() {
      before(function(done) {
        Q.ninvoke(fixture, 'stop')
          .then(function() { return Q.ninvoke(fixture, 'start', { auth_header_required: true })})
          .done(done);
      });

      after(function(done) {
        Q.ninvoke(fixture, 'stop')
          .then(function() { return Q.ninvoke(fixture, 'start', { })})
          .done(done);
      });

      it('auth headers are supported', function (done) {
        const socket = io.connect('http://localhost:9000', {
          forceNew: true,
          extraHeaders: { Authorization: 'Bearer ' + this.token}
        });

        socket
          .on('connect', function() {
            socket.close();
            done();
          })
          .on('error', done);
      });

      it('auth token in query string is disallowed', function (done) {
        const socket = io.connect('http://localhost:9000', {
          forceNew: true,
          query: 'token=' + this.token
        });

        socket.on('error', function(err) {
          err.message.should.eql("Server requires Authorization Header");
          err.code.should.eql("missing_authorization_header");
          socket.close();
          done();
        });
      });
    })

    describe('authorizer all auth types allowed', function() {
      before(function(done) {
        Q.ninvoke(fixture, 'stop')
          .then(function() { return Q.ninvoke(fixture, 'start', {})})
          .done(done);
      })

      it('auth headers are supported', function (done) {
        const socket = io.connect('http://localhost:9000', {
          forceNew: true,
          extraHeaders: { Authorization: 'Bearer ' + this.token }
        });

        socket
          .on('connect', function() {
            socket.close();
            done();
          })
          .on('error', done);
      });

      it('should do the handshake and connect', function (done) {
        const socket = io.connect('http://localhost:9000', {
          forceNew: true,
          query: 'token=' + this.token
        });

        socket
          .on('connect', function() {
            socket.close();
            done();
          })
          .on('error', done);
      });

    });
  });

  describe('unsigned token', function() {
    beforeEach(function () {
      this.token = 'eyJhbGciOiJub25lIiwiY3R5IjoiSldUIn0.eyJuYW1lIjoiSm9obiBGb28ifQ.';
    });

    it('should not do the handshake and connect', function (done) {
      const socket = io.connect('http://localhost:9000', {
        forceNew: true,
        query: 'token=' + this.token
      });

      socket
        .on('connect', function () {
          socket.close();
          done(new Error('this shouldnt happen'));
        })
        .on('error', function (err) {
          socket.close();
          err.message.should.eql("jwt signature is required");
          done();
        });
    });
  });
});