chatBotState.js

class Question {

    constructor() {
        this.question = [];
        this.answer = '';
        this.validAnswers = [];
        this.filterPhrases = [];
        //this.reply = {};
    }

    setQuestion(newQuestion){
        this.question = newQuestion;
    }

    setValidAnswers(newAnswers){
        this.validAnswers = newAnswers;
    }

    setAnswer(answer){
        this.answer = answer;
    }

    setFilterPhrases(phrases){
        this.filterPhrases = phrases;
    }

//    setReply(replies) {
//        this.reply = replies;
//    }

    getQuestion() {
        var mood = getCookieVal("mood");
        if (this.question.length == 1) {
            return this.question[0];
        }
        else {
            if (mood < -1) {
                return this.question[1];
            }
            else if (mood > 1) {
                return this.question[2];
            }
            else {
                return this.question[0];
            }
        }
    }

    getAnswer() {
        return this.answer;
    }

    getValidAnswers() {
        return this.validAnswers;
    }

    getFilterPhrases(){
        return this.filterPhrases;
    }

//    getReply(){
//        return this.reply;
//    }

    filter(answer){
        var phrases = this.filterPhrases;
        for (var i = 0; i < phrases.length; i++) {
            if (answer.includes(phrases[i])) {
                answer = answer.replace(phrases[i], '');
            }
        }
        return answer;
    }

//    getReplies(answer) {
//        var reply = this.getReply();
//        if (Object.keys(reply).length == 0) {
//            return [];
//        }
//        for(var text in reply) {
//            if (answer == text || text=="else") {
//                return reply[text];
//            }
//        }
//    }
}

class State {

    constructor(){
        this.questions = [];
        this.stateName = "";
        this.nextState = null;
        this.currentQuestion = 0;
    }

    setName(newName){
        this.stateName = newName;
    }

    setQuestions(newQuestion){
        this.questions.push(newQuestion);
    }

    setNext(newState){
        this.nextState = newState;
    }

    getQuestions() {
        return this.questions;
    }

    getIndex() {
        return this.currentQuestion;
    }

    incrementIndex() {
        this.currentQuestion += 1;
    }

    checkQuestions(answer){
        var questions = this.getQuestions();
        var found = false;
        var index = this.getIndex();
        var validAnswers = questions[index].getValidAnswers();
        var filteredAnswer = questions[index].filter(answer);
        if (validAnswers.length == 0) {
            questions[index].setAnswer(filteredAnswer); //Set the answer to that question
            found = true;
        }
        else {
            for (var j = 0; j < validAnswers.length; j++) { //Loop through expected answers for this question
                if (filteredAnswer == validAnswers[j]) { //If it's a valid answer
                    questions[index].setAnswer(filteredAnswer); //Set the answer to that question
                    found = true;
                    break;
                }
            }
            if (found == false) {
                var confusion = ["I didn't understand that one.", "I don't get what you're saying.", "I'm confused what that means.", "I don't understand that. Try talking better.", "I have no idea what you're talking about.", "I'm not sure what that means. Hey, I'm not a perfect chatbot.", "You've stumped me. Try phrasing differently."];
                var response = confusion[Math.floor(Math.random()*confusion.length)];
                return response;
            }
        }
        this.incrementIndex();
        index += 1;
        if (index == questions.length) {
            return "";
        }
        //var response = response.concat(questions[index].getQuestion());
        return questions[index].getQuestion();
    }
}

class chatBot {
    constructor(){
        this.states = [];
        this.mood = 0;
    }

    incrementMood(){
        this.mood += 1;
    }

    decrementMood(){
        this.mood -= 1;
    }

    getMood() {
        return this.mood;
    }

    addState(state) {
        this.states.push(state);
    }
}