/* global require phantom console document setInterval clearInterval */
/* eslint no-console: 'off'*/
'use strict';
var system = require('system');

/**
 * Wait until the test condition is true or a timeout occurs. Useful for waiting
 * on a server response or for a ui change (fadeIn, etc.) to occur.
 *
 * @param {func} testFx javascript condition that evaluates to a boolean,
 * it can be passed in as a string (e.g.: "1 == 1" or
 * "$('#bar').is(':visible')" or
 * as a callback function.
 * @param {func} onReady what to do when testFx condition is fulfilled,
 * it can be passed in as a string (e.g.: "1 == 1" or "$('#bar').is(':visible')"
 * or as a callback function.
 * @param {long} timeOutMillis the max amount of time to wait.
 * If not specified, 3 sec is used.
 */
function waitFor(testFx, onReady, timeOutMillis) {
    var maxtimeOutMillis = timeOutMillis ? timeOutMillis
                                         : 3001;
    var start = new Date().getTime();
        var condition = false;
        var interval = setInterval(function() {
            if ( (new Date().getTime() - start < maxtimeOutMillis)
                 && !condition ) {
                // If not time-out yet and condition not yet fulfilled
                condition = (typeof(testFx) === 'string'
                            ? eval(testFx)
                            : testFx()); // < defensive code
            } else {
                if (!condition) {
                    // If condition still not fulfilled
                    // (timeout but condition is 'false')
                    // console.log("'waitFor()' timeout");
                    phantom.exit(1);
                } else {
                    // Condition fulfilled (timeout and/or condition is 'true')
                    // console.log("'waitFor()' finished in " +
                    // (new Date().getTime() - start) + "ms.");
                    // < Do what it's supposed to do once
                    // the condition is fulfilled
                    typeof(onReady) === 'string' ? eval(onReady) : onReady();
                    clearInterval(interval); // < Stop this interval
                }
            }
        }, 100); // < repeat check every 100ms
}


if (system.args.length !== 2) {
    console.log('Usage: run-jasmine3.js URL');
    phantom.exit(1);
}

var page = require('webpage').create();

// Route "console.log()" calls from within the Page context
// to the main Phantom context (i.e. current "this")
page.onConsoleMessage = function(msg) {
    console.log(msg);
};

page.open(system.args[1], function(status) {
    if (status !== 'success') {
        console.log('Unable to access network');
        phantom.exit();
    } else {
        waitFor(function() {
            return page.evaluate(function() {
                return (document.body
                                .querySelector('.jasmine-symbol-summary ' +
                                               '.jasmine-pending') === null &&
                        document.body
                                .querySelector('.jasmine-duration') !== null);
            });
        }, function() {
            var exitCode = page.evaluate(function() {
                console.log('');

                var title = 'Jasmine';
                var version = document.body.querySelector('.jasmine-version')
                                           .innerText;
                var duration = document.body.querySelector('.jasmine-duration')
                                            .innerText;
                var banner = title + ' ' + version + ' ' + duration;
                console.log(banner);

                var list = document.body
                                   .querySelectorAll('.jasmine-results > ' +
                                                     '.jasmine-failures > ' +
                                                     '.jasmine-spec-detail' +
                                                     '.jasmine-failed');
                if (list && list.length > 0) {
                    console.log('');
                    console.log(list.length + ' test(s) FAILED:');
                    for (var i = 0; i < list.length; ++i) {
                        var el = list[i];
                        var desc = el.querySelector('.jasmine-description');
                        var msg = el.querySelector('.jasmine-messages > ' +
                                                   '.jasmine-result-message');
                        console.log('');
                        console.log(desc.innerText);
                        console.log(msg.innerText);
                        console.log('');
                    }
                    return 1;
                } else {
                    console.log(document.body
                                        .querySelector('.jasmine-alert > ' +
                                                       '.jasmine-bar.' +
                                                       'jasmine-passed,' +
                                                       '.jasmine-alert > ' +
                                                       '.jasmine-bar.' +
                                                       'jasmine-skipped')
                                                       .innerText);
                    return 0;
                }
            });
            phantom.exit(exitCode);
        });
    }
});