/**
 * This file is used to test only Handsontable End-to-End tests.
 */
var JasmineReporter = require('jasmine-terminal-reporter');

module.exports = function(grunt) {
  grunt.initConfig({});

  grunt.registerTask('test-handsontable', ['phantomjs-handsontable']);
  grunt.registerTask('test-walkontable', ['phantomjs-walkontable']);

  grunt.registerTask('phantomjs-handsontable', function() {
    spawnPhantomJS('test/E2ERunner.html', this.async());
  });

  grunt.registerTask('phantomjs-walkontable', function() {
    spawnPhantomJS('src/3rdparty/walkontable/test/SpecRunner.html', this.async());
  });

  function spawnPhantomJS(url, done) {
    var phantomjs = require('grunt-lib-phantomjs').init(grunt);
    var reporter = new JasmineReporter({
      colors: 1,
      cleanStack: 1,
      verbosity: 4,
      listStyle: 'flat',
      activity: true,
    });
    var errorCount = 0;

    // jasmine-reporter handlers.
    phantomjs.on('jasmine.jasmineStarted', function(msg) {
      reporter.jasmineStarted.apply(reporter, arguments);
    });
    phantomjs.on('jasmine.specStarted', function(msg) {
      reporter.specStarted && reporter.specStarted.apply(reporter, arguments);
    });
    phantomjs.on('jasmine.suiteStarted', function(msg) {
      reporter.suiteStarted.apply(reporter, arguments);
    });
    phantomjs.on('jasmine.jasmineDone', function(msg) {
      reporter.jasmineDone.apply(reporter, arguments);
      phantomjs.halt();
    });
    phantomjs.on('jasmine.suiteDone', function(msg) {
      reporter.suiteDone.apply(reporter, arguments);
    });
    phantomjs.on('jasmine.specDone', function(msg) {
      if (msg.failedExpectations.length) {
        errorCount += msg.failedExpectations.length;
      }
      reporter.specDone.apply(reporter, arguments);
    });

    // Built-in error handlers.
    phantomjs.on('fail.load', function(url) {
      grunt.warn('PhantomJS unable to load URL.', 90);
      phantomjs.halt();
    });
    phantomjs.on('fail.timeout', function() {
      grunt.warn('PhantomJS timed out.', 90);
      phantomjs.halt();
    });
    phantomjs.on('error.onError', function(string) {
      grunt.log.error('Error caught from PhantomJS.');
      grunt.warn(string);
      phantomjs.halt();
    });

    phantomjs.spawn(url, {
      options: {
        timeout: 10000,
        page: {
          viewportSize: {width: 1200, height: 1000},
        },
      },
      done: function(err) {
        done(err || errorCount === 0);
      }
    });
  }
};