번역기 모듈 분리

+const request = require('request');
+const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = 'LFi+FvOOFOydz0EKN22WRnQyiilnEiyxe2HVV1WrI54Jnght6+Gga07m7pxqSQltBJG2AV2lYnYOAk4TqxzZFKW9R36CJcQs+NaNEiNKJtgBfT/t3tEta/J6GtXxGz/DqdHnfZqSSfLFpXzun/ITTwdB04t89/1O/w1cDnyilFU='
+const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
+const PAPAGO_ID = 'r_kuebFKCqBeL3SI_dFb'
+const PAPAGO_SECRET = 'Wdz2tudrzB'
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "www.chatbotshin.tk"
+const sslport = 23023;
+const bodyParser = require('body-parser');
+
+
+// language identification & translation
+function trans_lng_selector(){
+    if(eventObj.message.text=='/번역 영어' || eventObj.message.text=='/번역 프랑스어' || eventObj.message.text=='/번역 일본어'){
+    //trans_trigger = 0 or 1;
+    trans_change(eventObj.message.text);
+    trans_trigger = 1;
+    console.log('[trans_dest]', trans_dest);
+    }
+}
+
+
+
+function translating(replyToken, message) {
+
+    request.post(
+        {
+            url: PAPAGO_URL,
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'X-Naver-Client-Id': `${PAPAGO_ID}`,
+                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
+            },
+            body: 'source=ko&' + trans_dest + '&text=' + message,
+            json:true
+        },(error, response, body) => {
+            if(!error && response.statusCode == 200) {
+                console.log(body.message);
+                var transMessage = body.message.result.translatedText;
+                request.post(
+                    {
+                        url: TARGET_URL,
+                        headers: {
+                            'Authorization': `Bearer ${TOKEN}`
+                        },
+                        json: {
+                            "replyToken":replyToken,
+                            "messages":[
+                                {
+                                    "type":"text",
+                                    "text":transMessage
+                                }
+                            ]
+                        }
+                    },(error, response, body) => {
+                        console.log(body)
+                    });
+            }
+        });
+
+}
+
+// language index identification
+function trans_change(index){
+    if(index == '/번역 영어'){
+        trans_dest = 'target=en';
+    }
+    else if(index == '/번역 일본어'){
+        trans_dest = 'target=ja';
+    }
+    else if(index == '/번역 프랑스어'){
+        trans_dest = 'target=fr';
+    }
+}
+
+module.exports.translating = translating;
+module.exports.trans_lng_selector = trans_lng_selector;
+module.exports.trans_change = trans_change;
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