Movie World

    // JavaScript Document
    /* eslint-disable  func-names */
    /* eslint quote-props: ["error", "consistent"]*/
    /**
     * This sample demonstrates a simple skill built with the Amazon Alexa Skills
     * nodejs skill development kit.
     * This sample supports en-US lauguage.
     * The Intent Schema, Custom Slots and Sample Utterances for this skill, as well
     * as testing instructions are located at https://github.com/alexa/skill-sample-nodejs-trivia
     **/
    
    'use strict';
    
    const Alexa = require('alexa-sdk');
    const https = require('https');
    const arrDigits =[
      "zero",
      "one",
      "two",
      "three",
      "four",
      "five",
      "six",
      "seven",
      "eight",
      "nine",
      "ten"
    ];
    
    const APP_NAME = 'Movie World';
    const APP_ID =  'amzn1.ask.skill.xxx';
    
    const APP_STATES = {
        TRIVIA: '_TRIVIAMODE', // Asking trivia questions.
        START: '_STARTMODE', // Entry point, start the app.
        HELP: '_HELPMODE', // The user is asking for help.
    };
    
    const newSessionHandlers = {
        /**
         * Entry point. Start a new app on new session. Handle any setup logic here.
         */
        'NewSession': function () {
            this.handler.state = APP_STATES.START;
            if (this.event.request.type === 'LaunchRequest') {
                this.emitWithState('AppStart', true);
            } else if (this.event.request.type === 'IntentRequest') {
                //console.log(`current intent: ${this.event.request.intent.name
                //    }, current state:${this.handler.state}`);
                const intent = this.event.request.intent.name;
                //console.log(`nume intent: ${intent}`);
                this.emitWithState(intent);
            }
        },
    
        'SessionEndedRequest': function () {
            const speechOutput = 'OK, Goodbye!';
            this.emit(':tell', speechOutput);
        },
    };
    
    const createStateHandler = Alexa.CreateStateHandler;
    
    const triviaStateHandlers = createStateHandler(APP_STATES.START, {
        
        'HelloMovieWorldIntent': function() {
            const speechOutput = 'Welcome to Movie World! We\'re very happy to hear you. Let\'s start our conversation. Ask me anything you want to know about movie world.';
            //console.log(`Din Movie World intent!`);
            this.emit(':tell', speechOutput);    
        },
        
        'AppStart': function() {
            const speechOutput = 'Welcome to Movie World! I love you Ecaterina! Now, let\'s start our conversation.';
            //console.log(`Din Movie World intent!`);
            this.emit(':tell', speechOutput);    
        },
        'AskActorIntent' : function() {
            var filme = [];
            var strActorName = this.event.request.intent.slots.ACTORNAME.value;
            var objP = this;
            
            if ((typeof(strActorName) !== 'undefined')) {
                
              //if (intNbMovies > 10) {
              //  intNbMovies = 10;
              //}
              var strActorNameSanit = strActorName.replace(/ /g, "%20");  
              console.log(`Actorul sanitizat: `+strActorNameSanit)
              var options = {
                "method": "GET",
                "hostname": "api.themoviedb.org",
                "port": null,
                "path": "/3/search/person?include_adult=true&page=1&query="+strActorNameSanit+"&language=en-US&api_key=ddd",
                "headers": {}
              };
              
              var req = https.request(options, function (res) {
                var chunks = [];
                //console.log(`A intrat in responsul lui request...`);
                
                res.on("data", function (chunk) {
                  chunks.push(chunk);
                  //console.log(`Scrie data...`);
                });
              
                res.on("end", function () {
                  var body = Buffer.concat(chunks);
                  //console.log(body.toString());
                  //console.log(`Am scris data.`);
                  var objData = JSON.parse(body);
                  
                  var speechOutput = '';
                  
                  if (typeof(objData) !== 'undefined'){ 
                      if (objData["results"].length < 1) {
                          speechOutput += 'Sorry, we don\'t know who \"'+ strActorName +'\" is. Please try again with a real comedian !';
                          //this.emit(':tell', speechOutput);                         
                      }else{
                          speechOutput += 'Yes \"'+ strActorName +'\" is known in the Movie World for the folowing movies:';
                          for (var i = 0, len = objData["results"][0]["known_for"].length; i < len; i++) {
                            filme[i] = (typeof(objData["results"][0]["known_for"][i].title) !== 'undefined' ? objData["results"][0]["known_for"][i].title : objData["results"][0]["known_for"][i].name);
                          } 
                          var intLimit = 10;
                          if(filme.length < intLimit){
                            intLimit = filme.length;
                          }                      
                           for (var j = 0, ln = intLimit; j < ln; j++) {
                              if(j == (ln-1)){
                                speechOutput += ' and';
                              }
                              speechOutput += ' the number ' + arrDigits[(j+1)] + ' is \"' + filme[j].replace(/!'[\W_]+/g," ") +'\"';
                              if(j < (ln-2) ){
                                speechOutput += ',';
                              }
                          }                         
                      }
                      //'Please look into the Alexa logs.';
                      //console.log(`Uita-te in loguri ca urmeaza promptul !`);
                      //console.log(speechOutput); 
                      objP.emit(':tell', speechOutput.toString());                   
                  }else{
                      speechOutput += ' Ups this is a technical issue: unfortunatelly the web service didn\'t answer properly. Please try again! ';
                      this.emit(':tell', speechOutput);
                  }
                  //console.log(JSON.stringify(this, null, 4));
                  //console.dir(this, { depth: null })
                  //const speechOutput1 = speechOutput;
                  //this.emit(':tell', speechOutput);
                });
              });
              //console.log(`Inainte de req.write`);
              req.write("{}");
              //console.log(`Dupa de req.write`);
              req.end();
              //console.log(`Dupa de req.end`);
            } else{
                const speechOutput = 'Sorry, we didn\'t understand who you asked for. Please try again with a real actor!';
                this.emit(':tell', speechOutput);          
            }
        },
        
        'AskMovieIntent': function() {
            var filme = [];
            var intNbMovies = this.event.request.intent.slots.NBMOVIES.value;
            var objP = this;
            
            if ((typeof(intNbMovies) !== 'undefined') && (intNbMovies > 0)) {
                
              if (intNbMovies > 10) {
                intNbMovies = 10;
              }
              var options = {
                "method": "GET",
                "hostname": "api.themoviedb.org",
                "port": null,
                "path": "/3/discover/movie?page=1&include_video=true&include_adult=false&sort_by=popularity.desc&language=en-US&api_key=ddd",
                "headers": {}
              };
              
              var req = https.request(options, function (res) {
                var chunks = [];
                //console.log(`A intrat in responsul lui request...`);
                
                res.on("data", function (chunk) {
                  chunks.push(chunk);
                  //console.log(`Scrie data...`);
                });
              
                res.on("end", function () {
                  var body = Buffer.concat(chunks);
                  //console.log(body.toString());
                  //console.log(`Am scris data.`);
                  var objData = JSON.parse(body);
                  
                  var speechOutput = '';
                  
                  if (typeof(objData) !== 'undefined'){ 
                      if (objData["results"].length < intNbMovies) {
                          intNbMovies = objData["results"].length;
                      }
                      for (var i = 0, len = intNbMovies; i < len; i++) {
                        filme[i] = objData["results"][i].title;
                      }
                      //console.log(filme.toString()); 
                      if(intNbMovies == 1){
                          speechOutput += 'The best movie is \"' + filme[0] +'\"';
                      }else{
                          speechOutput += 'The best ' + arrDigits[intNbMovies] + ' movies are: ';
                          
                          for (var j = 0, ln = filme.length; j < ln; j++) {
                              if(j == (ln-1)){
                                  speechOutput += ' and';
                              }
                              speechOutput += ' the number ' + arrDigits[(j+1)] + ' is \"' + filme[j] +'\"';
                              if(j < (ln-2) ){
                                  speechOutput += ',';
                              }
                          }                
                      }
                      //'Please look into the Alexa logs.';
                      //console.log(`Uita-te in loguri ca urmeaza promptul !`);
                      //console.log(speechOutput); 
                      objP.emit(':tell', speechOutput.toString());                   
                  }else{
                      speechOutput += ' Ups this is a technical issue: unfortunatelly the web service didn\'t answer properly. Please try again! ';
                      this.emit(':tell', speechOutput);
                  }
                  //console.log(JSON.stringify(this, null, 4));
                  //console.dir(this, { depth: null })
                  //const speechOutput1 = speechOutput;
                  //this.emit(':tell', speechOutput);
                });
              });
              //console.log(`Inainte de req.write`);
              req.write("{}");
              //console.log(`Dupa de req.write`);
              req.end();
              //console.log(`Dupa de req.end`);
            } else{
                const speechOutput = 'You should tell me how many movies do you want to have into the response.';
                //console.log(`Numar filme nu e specificat !`);
                this.emit(':tell', speechOutput);          
            }
        },
        
        'AnswerIntent': function () {
            //handleUserGuess.call(this, false);
        },
        'DontKnowIntent': function () {
            //handleUserGuess.call(this, true);
        },
        'AMAZON.StartOverIntent': function () {
            this.handler.state = APP_STATES.START;
            this.emitWithState('AppStart', false);
        },
        'AMAZON.RepeatIntent': function () {
            this.emit(':ask', this.attributes.speechOutput, this.attributes.repromptText);
        },
        'AMAZON.HelpIntent': function () {
            this.handler.state = APP_STATES.HELP;
            this.emitWithState('helpTheUser', false);
        },
        'AMAZON.StopIntent': function () {
            this.handler.state = APP_STATES.HELP;
            const speechOutput = 'Would you like to keep talking?';
            this.emit(':ask', speechOutput, speechOutput);
        },
        'AMAZON.CancelIntent': function () {
            this.emit(':tell', 'Ok, let\'s talk again soon.');
        },
        'Unhandled': function () {
            const speechOutput = 'Would you like to keep talking?';
            this.emit(':ask', speechOutput, speechOutput);
        },
        'SessionEndedRequest': function () {
            const speechOutput = 'OK, Goodbye!';
            this.emit(':tell', speechOutput);
        },
    });
    
    const helpStateHandlers = createStateHandler(APP_STATES.HELP, {
        'helpTheUser': function (newApp) {
            const askMessage = newApp ? 'Would you like to start Movie World?' : 'To repeat the last question, say, repeat. Would you like to keep using Movie World?';
            
            const speechOutput = ` Here are a few examples of things you can say:`
                + ` What are the most popular movies `
                + ` What are the best drama\'s  . ${askMessage}`;
            const repromptText = `To give an answer to a question, respond with the number of the answer . ${askMessage}`;
    
            this.emit(':ask', speechOutput, speechOutput);
        },
        'StartApp': function () {
            this.handler.state = APP_STATES.START;
            this.emitWithState('AppStart', false);
        },
        'AMAZON.RepeatIntent': function () {
            this.emitWithState('helpTheUser');
        },
        'AMAZON.HelpIntent': function () {
            this.emitWithState('helpTheUser', false);
        },
        'AMAZON.YesIntent': function () {
            if (this.attributes.speechOutput && this.attributes.repromptText) {
                this.handler.state = APP_STATES.TRIVIA;
                this.emitWithState('AMAZON.RepeatIntent');
            } else {
                this.handler.state = APP_STATES.START;
                this.emitWithState('StartApp', false);
            }
        },
        'AMAZON.NoIntent': function () {
            const speechOutput = 'Ok, we\'ll talk another time. Goodbye!';
            this.emit(':tell', speechOutput);
        },
        'AMAZON.StopIntent': function () {
            const speechOutput = 'Would you like to keep talking?';
            this.emit(':ask', speechOutput, speechOutput);
        },
        'AMAZON.CancelIntent': function () {
            this.handler.state = APP_STATES.TRIVIA;
            this.emitWithState('AMAZON.RepeatIntent');
        },
        'Unhandled': function () {
            const speechOutput = 'Say yes to continue, or no to end the session.';
            this.emit(':ask', speechOutput, speechOutput);
        },
        'SessionEndedRequest': function () {
            const speechOutput = 'OK, Goodbye!';
            this.emit(':tell', speechOutput);
        },
    });
    
    
    exports.handler = (event, context) => {
        const alexa = Alexa.handler(event, context);
        alexa.registerHandlers(newSessionHandlers, triviaStateHandlers, helpStateHandlers);
        alexa.appId = APP_ID;
        alexa.execute();
    };