godzilla.js

var fs = require('fs');
var parseString = require('xml2js').parseString;
var Q = require('q');
var http = require('http');

const isWeatherRegex = /今天(\S*)的天氣/;
var weathers = [];

module.exports = {
	handle : function (event, text){
		if(isGreeting(text)){
			doGreeting(event);
		} else if(isAngry(text)){
			doAngry(event);
		} else if(isDirtyWord(text)){
			doDirtyWord(event);
		} else if(isFunnyWord(text)){
			doFunnyWord(event);
		} else if(isLucky(text)){
			doLucky(event);
		} else if(isGodzilla(text)){
			doGodzilla(event);
		} else if(isWeather(text)){
			doWeather(event, text);
		} else if (isLuis(text)) {
		    doLuis(event, text);
		}
	}
}

// 打招呼用語
function isGreeting(text){
	return text && (text.indexOf("你好") != -1 || text.indexOf("早安") != -1 || text.indexOf("午安") != -1 || text.indexOf("晚安") != -1);
}
function doGreeting(event) {
	var answer = getRandGreeting();
	response = [answer];
	doResponse(event, response);
}
function getRandGreeting() {
	var answer = ["吼~", "吼~吼~", "恐恐恐~", "喔~喔~吼~~"];
	return answer[getRandomInt(0, answer.length)];
}

// 打生氣用語
function isAngry(text){
	return text && (text.indexOf("生氣") != -1 || text.indexOf("森77") != -1 
				|| text.indexOf("可惡") != -1 || text.indexOf("!!") != -1 || text.indexOf("!!") != -1);
}
function doAngry(event) {
	var answer = getRandAngry();
	response = [answer];
	doResponse(event, response);
}
function getRandAngry() {
	var answer = ["哥吉!!", "恐恐!!吼吼!!", "恐吼!!", "哥吉哥吉拉!!!"];
	return answer[getRandomInt(0, answer.length)];
}


// 髒話用語
function isDirtyWord(text){
	return text && (text.indexOf("幹") != -1);
}
function doDirtyWord(event) {
	response = ["哥吉幹!"];
	doResponse(event, response);
}

// XD用語
function isFunnyWord(text){
	return text && (text.indexOf("XD") != -1);
}
function doFunnyWord(event) {
	var answer = getRandFunny();
	response = [answer];
	doResponse(event, response);
}
function getRandFunny() {
	var answer = ["哥吉XD", "吉(￣▼￣)"];
	return answer[getRandomInt(0, answer.length)];
}

// 問籤用語
function isLucky(text){
	return text && (text.indexOf("今天的運勢") != -1);
}
function doLucky(event) {
	var answer = getRandLucky(event);
	response = ["哥吉兄弟今天的運勢吼！", answer];
	doResponse(event, response);
}
function getRandLucky(event) {
	var answer = ["哥吉吉", "哥吉小吉", "哥吉大吉（☆∀☆）", "哥吉中吉", "哥吉凶", "哥吉小胸(☉_☉)", "哥吉大凶(。・ε・。)"];
	var useridToNum = toSmallerInt(event.source.userId.hexEncode());
	var today = new Date();
	var todayToNum = today.getFullYear()*today.getMonth()*today.getDate();

	return answer[(useridToNum+todayToNum) % answer.length];
}

// 問籤用語
function isGodzilla(text){
	return text && (text.indexOf("哥吉") != -1);
}
function doGodzilla(event) {
	var answer = getRandGodzilla();
	response = [answer];
	doResponse(event, response);
}
function getRandGodzilla() {
	var answer = ["吼吼你哪位吼吼", "哥吉哥吉", "吉你吉你"];
	return answer[getRandomInt(0, answer.length)];
}


// 問天氣用語
function isWeather(text){
	return text && isWeatherRegex.exec(text) !== null;
}
function doWeather(event, text) {
	var m = isWeatherRegex.exec(text);
    var cityName = m[1];
    weathers = [];
	getWeatherJson(cityName).then(function(result){
		response = ['今天'+ result['city'] +'的天氣是'];

		result['content'].forEach(function(v, i){
			if(i < 2){
				response.push(v.parameterValue[0]);
			}
		})
		
		doResponse(event, response);
	});
}
function getWeatherJson(cityName) {
	var deferred = Q.defer();
	var cwbAuthKey = 'CWB-77B89E64-F67E-40B9-8831-1C125054FD03';
	var dataId = getDataIdByCity(cityName)
	var url = 'http://opendata.cwb.gov.tw/opendataapi?dataid=' + dataId + '&authorizationkey=' + cwbAuthKey;

	xmlToJson(url, function(err, data) {
		if (err) {
	  	  	deferred.reject(err);
		}
		var dataSet = data.cwbopendata.dataset[0];

		weathers['city'] = dataSet.location[0].locationName[0];
		weathers['content'] = dataSet.parameterSet[0].parameter;

		deferred.resolve(weathers);
	})

	return deferred.promise;
}
function getDataIdByCity(cityName) {
	var cityDic = {
		'台北市':'F-C0032-009',
		'新北市':'F-C0032-010',
		'基隆市':'F-C0032-011',
		'花蓮縣':'F-C0032-012',
		'宜蘭縣':'F-C0032-013',
		'金門縣':'F-C0032-014',
		'澎湖縣':'F-C0032-015',
		'台南市':'F-C0032-016',
		'高雄市':'F-C0032-017',
		'嘉義縣':'F-C0032-018',
		'嘉義市':'F-C0032-019',
		'苗栗縣':'F-C0032-020',
		'台中市':'F-C0032-021',
		'桃園市':'F-C0032-022',
		'新竹縣':'F-C0032-023',
		'新竹市':'F-C0032-024',
		'屏東縣':'F-C0032-025',
		'南投縣':'F-C0032-026',
		'台東縣':'F-C0032-027',
		'彰化縣':'F-C0032-028',
		'雲林縣':'F-C0032-029',
		'連江縣':'F-C0032-030'};

	if(cityName in cityDic){
		return cityDic[cityName];
	}else if(cityName+'縣' in cityDic){
		return cityDic[cityName+'縣'];
	}else if(cityName+'市' in cityDic){
		return cityDic[cityName+'市'];
	}else{
		return cityDic['台北市'];
	}
}

function xmlToJson(url, callback) {
  var req = http.get(url, function(res) {
    var xml = '';
    
    res.on('data', function(chunk) {
      xml += chunk;
    });

    res.on('error', function(e) {
      callback(e, null);
    }); 

    res.on('timeout', function(e) {
      callback(e, null);
    }); 

    res.on('end', function() {
      parseString(xml, function(err, result) {
        callback(null, result);
      });
    });
  });
}

// Luis test
const LUISClient = require("./luis_sdk");

const APPID = "718766ef-8cf4-41bc-b6dc-20f9eeac290a";
const APPKEY = "63926f5af6bd4521b10fda9078369e6e";

var LUISclient = LUISClient({
    appId: APPID,
    appKey: APPKEY,
    verbose: true
});

var printOnSuccess = function (response) {
    console.log("Query: " + response.query);
    console.log("Top Intent: " + response.topScoringIntent.intent);
    console.log("Entities:");
    for (var i = 1; i <= response.entities.length; i++) {
        console.log(i + "- " + response.entities[i - 1].entity);
    }
    if (typeof response.dialog !== "undefined" && response.dialog !== null) {
        console.log("Dialog Status: " + response.dialog.status);
        if (!response.dialog.isFinished()) {
            console.log("Dialog Parameter Name: " + response.dialog.parameterName);
            console.log("Dialog Prompt: " + response.dialog.prompt);
        }
    }
};

function isLuis(text) {
    return text && (text.indexOf("luis-") == 0 || text.indexOf("Luis-") == 0 || text.indexOf("LUIS-") == 0);
}

function doLuis(event, text) {

    var newtext = text.replace(/luis-/i, "");

    LUISclient.predict(newtext, {

        //On success of prediction
        onSuccess: function (response) {
            printOnSuccess(response);
            doResponse(event, response.topScoringIntent.intent);
        },

        //On failure of prediction
        onFailure: function (err) {
            console.error(err);
            doResponse(event, "系統錯誤，請洽澎澎~");
        }
    });
}



//共通Function
function getRandomInt(min, max) {
  return Math.floor(Math.random() * (max - min + 1) + min);
}
function doResponse(event, response){
	event.reply(response).then(function(data) {
      // success 
      console.log(response);
    }).catch(function(error) {
      // error 
      console.log('error');
    });
}
function toSmallerInt(str){
	var result = 0;
	for (var i = 0; i < str.length; i++) {
	  result += parseInt(str.charAt(i));
	}

	return result;
}

String.prototype.hexEncode = function(){
    var hex, i;

    var result = "";
    for (i=0; i<this.length; i++) {
        hex = this.charCodeAt(i).toString(16);
        result += ("000"+hex).slice(-4);
    }

    return result
}