function doPTCLogin() {
        if (!checkParams()){
            return;
        }
        toggleLogin(true);
        jQuery('#ptc_errors').html('');
        var username = jQuery('#ptc_username').val(),
            password = jQuery('#ptc_password').val();

        // Reset cookie jar
        ptcJar = request.jar();

        // Get Login session from SSO servers
        ptcReq.get('https://sso.pokemon.com/sso/login?service=https%3A%2F%2Fsso.pokemon.com%2Fsso%2Foauth2.0%2FcallbackAuthorize',
        function(error, response, body) {
            if (!error && response.statusCode == 200) {
                doPTCLoginStep2(username, password, JSON.parse(body));
            } else {
                console.log(error);
                toggleLogin(false);
                alert('Oops! Something went wrong and we couldn\'t ' +
                    'log you in. Please try again. Code 6.');
            }
        });

        return false;
    }

    function doPTCLoginStep2(user, pass, session) {
        var loginData = {
            'lt': session.lt,
            'execution': session.execution,
            '_eventId': 'submit',
            'username': user,
            'password': pass
        };

        ptcReq.post(
                'https://sso.pokemon.com/sso/login?service=https%3A%2F%2Fsso.pokemon.com%2Fsso%2Foauth2.0%2FcallbackAuthorize',
                {form: loginData},
                function (error, response, body) {
                    if (!error && response.statusCode == 302) {
                        var rawRedirect = response.headers.location;
                        handlePokemonCallback(rawRedirect);
                    } else {
                        toggleLogin(false);
                        var errors = null;
                        try {
                            errors = JSON.parse(body).errors;
                            errors = errors.join(' ');
                        } catch(e) {}
                        if (errors) {
                            jQuery('#ptc_errors').html(errors);
                        } else {
                            alert('Oops! Something went wrong and we couldn\'t ' +
                                'log you in. Please try again. Code 7.');
                        }
                    }
                }
            );
    }

    function handlePokemonCallback(newUrl) {

        var parsedUrl = url.parse(newUrl, true);
        if (parsedUrl.hostname != 'sso.pokemon.com') {
            toggleLogin(false);
            alert('Oops! Something went wrong and we couldn\'t ' +
                'log you in. Please try again. Code 8.');
            return;
        }

        var raw_code = parsedUrl.query.ticket;
        var code = (raw_code && raw_code.length > 1) ? raw_code : null;

      // If there is a code, proceed to get token from oauth
      if (code) {

        request.post(
            'https://sso.pokemon.com/sso/oauth2.0/accessToken',
            { form: {
                'client_id': 'mobile-app_pokemon-go',
                'redirect_uri': 'https://www.nianticlabs.com/pokemongo/error',
                'client_secret': 'w8ScCUXJQc6kXKw8FiOhd8Fixzht18Dq3PEVkUCP5ZPxtgyWsbTvWHFLm2wNY0JR',
                'grant_type': 'refresh_token',
                'code': code,
            } },
            function (error, response, body) {
                if (!error && response.statusCode == 200) {
                    console.log(querystring.parse(body));
                    completeLogin('ptc', querystring.parse(body).access_token);
                } else {
                    toggleLogin(false);
                    alert('Oops! Something went wrong and we couldn\'t ' +
                        'log you in. Please try again. Code 3.');
                }
            }
        );

      } else {
        toggleLogin(false);
        alert('Oops! Something went wrong and we couldn\'t ' +
          'log you in. Please try again. Code 2.');
      }

    }