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= window.SUB || {};\r\n\r\nSUB.quizEngine = {\r\n\tstart : function(){\r\n\r\n\t\tSUB.el = {\r\n\t\t\twindow : window,\r\n\t\t\thtml : $('html'),\r\n\t\t\tbody : $('body'),\r\n\t\t\tquizWrapper: $('#quiz_wrapper'),\r\n\t\t\theader : $('header')\r\n\t\t};\r\n\r\n\t   // Quiz logic, from Tom Deater\r\n\t\tvar qOrder = [ [0, 1, 2, 3, 4], [0, 1, 2, 3] ];\r\n\r\n\t\tvar qCurrent = [0, 0];\r\n\r\n\t\tvar userAnswers = [ [], [] ];\r\n\r\n\t\tvar qSets = qOrder.length;\r\n\r\n\t\tvar qSetCurrent = 0;\r\n\r\n\t\tvar qSetComplete = [false, false];\r\n\r\n\t\tvar question_template =  _.template( $( \".question_template\" ).html());\r\n\r\n\t\tvar $question_markup;\r\n\r\n\t\tvar quiz = SUB.quiz = {\r\n\t\t\tinit: function ($el, shuffle) {\r\n\t\t\t\tif (shuffle) {\r\n\t\t\t\t\tquiz.shuffleQuestions();\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// init and render quiz in $el\r\n\t\t\t\tquiz.buildTemplate($el);\r\n\r\n\t\t\t\tquiz.destroy = function (str) {\r\n\t\t\t\t\t// redirect to new recipe page\r\n\t\t\t\t\tSUB.el.window.location = str;\r\n\t\t\t\t};\r\n\t\t\t},\r\n\r\n\t\t\tshuffleQuestions: function () {\r\n\t\t\t\tqOrder = _.map(qOrder, function (o) {\r\n\t\t\t\t\treturn _.shuffle(o);\r\n\t\t\t\t});\r\n\t\t\t\t//console.log('shuffled qOrder', qOrder);\r\n\r\n\t\t\t\t// adjust the answer pattern strings to align with the new question order\r\n\t\t\t\tanswers = _.map(SUB.data.answers, function (answer, i) {\r\n\t\t\t\t\treturn _.map(answer, function (a) {\r\n\t\t\t\t\t\tvar newAnswers = [];\r\n\t\t\t\t\t\tvar oldAnswers = a.pattern.split('');\r\n\t\t\t\t\t\t_.each(qOrder[i], function (n) {\r\n\t\t\t\t\t\t\tnewAnswers.push(oldAnswers[n]);\r\n\t\t\t\t\t\t});\r\n\t\t\t\t\t\ta.pattern = newAnswers.join('');\r\n\t\t\t\t\t\treturn a;\r\n\t\t\t\t\t});\r\n\t\t\t\t});\r\n\t\t\t\t//console.log('adjusted answer pattern strings', answers);\r\n\t\t\t},\r\n\r\n\t\t\tbuildTemplate: function ($el) {\r\n\t\t\t\tquiz.renderQuestion();\r\n\t\t\t\t$question_markup.appendTo($el).find('button').on('click', quiz.processAnswer);\r\n\t\t\t},\r\n\r\n\t\t\trenderQuestion: function () {\r\n\t\t\t\tvar question = quiz.getCurrentQuestion();\r\n\r\n\t\t\t\tif (!question) {\r\n\t\t\t\t\t// we've reached the end of this qSet\r\n\t\t\t\t\talert('no more questions');\r\n\t\t\t\t\treturn;\r\n\t\t\t\t}\r\n\t\t\t\tvar questionText = question.question.replace(/ /g, '-').replace('&nbsp;…', '').replace(',', '').replace(/’/g, '');\r\n\t\t\t\tdataLayer.push({event: 'pageview', url: 'action/question/' + questionText});\r\n\r\n\t\t\t\t$question_markup = $(question_template(question));\r\n\t\t\t},\r\n\r\n\t\t\tprocessAnswer: function (e) {\r\n\t\t\t\te.preventDefault();\r\n\r\n\t\t\t\tuserAnswers[qSetCurrent].push($(this).attr('data-answer'));\r\n\t\t\t\tvar textAnswer = $(this).attr('data-answer-text').replace(/ /g, '_').replace(/’/g, '').replace(/,/g, '').replace('&nbsp;…', '').replace('?', '').replace('.', '').replace(/!/g, '');\r\n\t\t\t\tdataLayer.push({event: 'event', category: 'quiz_detail', action: 'thats_me', label: textAnswer});\r\n\r\n\t\t\t\tquiz.next();\r\n\t\t\t},\r\n\r\n\t\t\tgetCurrentQuestion: function () {\r\n\t\t\t\tvar qIndex = qOrder[qSetCurrent][qCurrent[qSetCurrent]];\r\n\t\t\t\tvar question = SUB.data.questions[qSetCurrent][qIndex];\r\n\r\n\t\t\t\tif (!question) {\r\n\t\t\t\t\t// we've reached the end of this qSet\r\n\t\t\t\t\tqSetComplete[qSetCurrent] = true;\r\n\t\t\t\t\t//console.log('end of qset', qSetCurrent);\r\n\t\t\t\t\t// any more incomplete qSets?\r\n\t\t\t\t\tif (quiz.isRemainingQSet()) {\r\n\t\t\t\t\t\t// try the other qSet\r\n\t\t\t\t\t\tqSetCurrent = quiz.nextQSet();\r\n\t\t\t\t\t\treturn quiz.getCurrentQuestion();\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\treturn;\r\n\t\t\t\t\t}\r\n\t\t\t\t} else {\r\n\t\t\t\t\treturn question;\r\n\t\t\t\t}\r\n\t\t\t},\r\n\r\n\t\t\tnext: function () {\r\n\t\t\t\t// get all matches for current qSet\r\n\t\t\t\tvar matches = quiz.findMatches();\r\n\t\t\t\t//console.log('%s matches for \"%s\" in qSet %s:', matches.length, userAnswers[qSetCurrent].join(''), qSetCurrent);\r\n\t\t\t\t//console.table(matches);\r\n\r\n\t\t\t\t// exactly 1 match, or 0 remaining questions?\r\n\t\t\t\tif (matches.length === 1 || qCurrent[qSetCurrent] === qOrder[qSetCurrent].length - 1) {\r\n\t\t\t\t\t// this qSet is finished, mark it complete\r\n\t\t\t\t\tqSetComplete[qSetCurrent] = true;\r\n\t\t\t\t\t//console.log('marking qSet %s complete', qSetCurrent);\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// \"look ahead\" to prune invalid paths from this qSet before proceeding\r\n\t\t\t\t\tqCurrent[qSetCurrent] = quiz.lookAhead();\r\n\r\n\t\t\t\t\tif (!qCurrent[qSetCurrent]) {\r\n\t\t\t\t\t\t// no more valid paths in this qSet\r\n\t\t\t\t\t\tqSetComplete[qSetCurrent] = true;\r\n\t\t\t\t\t\t//console.log('no more valid paths for qSet %s', qSetCurrent);\r\n\t\t\t\t\t\t//console.log('marking qSet %s complete', qSetCurrent);\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// switch qSets?\r\n\t\t\t\tif (quiz.isRemainingQSet()) {\r\n\t\t\t\t\tqSetCurrent = quiz.nextQSet();\r\n\t\t\t\t\tquiz.buildTemplate(SUB.el.quizWrapper);\r\n\t\t\t\t\tSUB.advanceSlides();\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// all qSets are complete\r\n\t\t\t\t\tquiz.exit();\r\n\t\t\t\t}\r\n\t\t\t},\r\n\r\n\t\t\tnextQSet: function (n) {\r\n\t\t\t\tvar nextSet;\r\n\t\t\t\tn = (typeof n !== 'undefined') ? n : qSetCurrent;\r\n\t\t\t\tnextSet = (n < qSets - 1) ? n + 1 : 0;\r\n\t\t\t\tif (qSetComplete[nextSet]) {\r\n\t\t\t\t\treturn quiz.nextQSet(nextSet);\r\n\t\t\t\t} else {\r\n\t\t\t\t\treturn nextSet;\r\n\t\t\t\t}\r\n\t\t\t},\r\n\r\n\t\t\tisRemainingQSet: function () {\r\n\t\t\t\treturn !!_.without(qSetComplete, true).length;\r\n\t\t\t},\r\n\r\n\t\t\tlookAhead: function () {\r\n\t\t\t\tvar reA, reB, matchesA, matchesB;\r\n\r\n\t\t\t\treA = new RegExp('^' + userAnswers[qSetCurrent].join('') + 'a');\r\n\t\t\t\treB = new RegExp('^' + userAnswers[qSetCurrent].join('') + 'b');\r\n\r\n\t\t\t\tmatchesA = quiz.findMatches(reA);\r\n\t\t\t\tmatchesB = quiz.findMatches(reB);\r\n\r\n\t\t\t\t//console.log('%s lookahead matches for \"' + userAnswers[qSetCurrent].join('') + ' + a\" in qSet %s', matchesA.length, qSetCurrent);\r\n\t\t\t\t//if (matchesA.length) console.table(matchesA);\r\n\t\t\t\t//console.log('%s lookahead matches for \"' + userAnswers[qSetCurrent].join('') + ' + b\" in qSet %s', matchesB.length, qSetCurrent);\r\n\t\t\t\t//if (matchesB.length) console.table(matchesB);\r\n\r\n\r\n\t\t\t\tif (matchesA.length && matchesB.length) {\r\n\t\t\t\t\t// both paths are valid, proceed to next question\r\n\t\t\t\t\treturn qCurrent[qSetCurrent] + 1;\r\n\t\t\t\t} else if (matchesA.length) {\r\n\t\t\t\t\t// only answer A provides a valid path\r\n\t\t\t\t\t// choose 'a' and recurse\r\n\t\t\t\t\tuserAnswers[qSetCurrent].push('a');\r\n\t\t\t\t\tqCurrent[qSetCurrent]++;\r\n\t\t\t\t\t//console.log('+a (skipping question \"%s\")', quiz.getCurrentQuestion().question);\r\n\t\t\t\t\treturn quiz.lookAhead();\r\n\t\t\t\t} else if (matchesB.length) {\r\n\t\t\t\t\t// only answer B provides a valid path\r\n\t\t\t\t\t// choose 'b' and recurse\r\n\t\t\t\t\tuserAnswers[qSetCurrent].push('b');\r\n\t\t\t\t\tqCurrent[qSetCurrent]++;\r\n\t\t\t\t\t//console.log('+b (skipping question \"%s\")', quiz.getCurrentQuestion().question);\r\n\t\t\t\t\treturn quiz.lookAhead();\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// no more valid paths, stop asking questions\r\n\t\t\t\t\treturn 0;\r\n\t\t\t\t}\r\n\t\t\t},\r\n\r\n\t\t\tfindMatches: function (re) {\r\n\t\t\t\tvar re = re || new RegExp('^' + userAnswers[qSetCurrent].join(''));\r\n\t\t\t\tvar matches = _.filter(SUB.data.answers[qSetCurrent], function (answer) {\r\n\t\t\t\t\tif (re.test(answer.pattern)) {\r\n\t\t\t\t\t\treturn answer;\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\t\t\t\treturn matches;\r\n\t\t\t},\r\n\r\n\t\t\texit: function () {\r\n\t\t\t\tvar matches = [], winner, result = [];\r\n\t\t\t\t// get all matches for all qSets and display/exit\r\n\t\t\t\t_.each(qSetComplete, function (b, i) {\r\n\t\t\t\t\tqSetCurrent = i;\r\n\t\t\t\t\tmatches.push(quiz.findMatches());\r\n\t\t\t\t});\r\n\r\n\t\t\t\t//console.log('valid answers');\r\n\r\n\t\t\t\t_.each(matches, function(match) {\r\n\t\t\t\t\twinner = Math.floor(Math.random() * match.length);\r\n\t\t\t\t\tresult.push(match[winner].name);\r\n\t\t\t\t\t//console.table(match);\r\n\t\t\t\t});\r\n\r\n\t\t\t\tquiz.destroy('recipes/'+ result.join('?td=0&profile='));\r\n\r\n\t\t\t}\r\n\t\t};\r\n\r\n\t\t// start Quiz\r\n\t\tquiz.init(SUB.el.quizWrapper, true);\r\n\r\n\t\t// if mobile, also fire on orientation change\r\n\t\twindow.addEventListener('orientationchange', function(){\r\n\t\t\t$('.question_img').each(\r\n\t\t\t\tfunction(){SUB.imgLoaded(this)}\r\n\t\t\t)\r\n\t\t});\r\n\r\n\t\t// set \"Let's do this\" button 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container\r\n\r\n\t$parent.css('background-image', 'url(' + $img.attr('src') + ')');\r\n\r\n};\r\n\r\n"],"sourceRoot":"/source/"}