modify1

@@ -25,13 +25,98 @@ app.post('/hook', function (req, res) {
     console.log('[request source] ', eventObj.source);
     console.log('[request message]', eventObj.message);
 
-    trans(eventObj.replyToken, eventObj.message.text);
-    
+    if(eventObj.message=="영어"){
+        trans_en(eventObj.replyToken, eventObj.message.text);
+    }
+    else if(eventObj.message=="일본어"){
+        trans_ja(eventObj.replyToken, eventObj.message.text);
+    }
+    else if(eventObj.message=="프랑스어"){
+        trans_fr(eventObj.replyToken, eventObj.message.text);
+    }
 
     res.sendStatus(200);
 });
 
-function trans(replyToken, message) {
+function trans_ja(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&target=ja&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 ${TOKEN}`
+                        },
+                        json: {
+                            "replyToken":replyToken,
+                            "messages":[
+                                {
+                                    "type":"text",
+                                    "text":transMessage
+                                }
+                            ]
+                        }
+                    },(error, response, body) => {
+                        console.log(body)
+                    });
+            }
+        });
+
+}
+
+function trans_fr(replyToken, message) {
+
+    request.post(
+        {
+            url: PAPAGO_URL,
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'X-Naver-Client-Id': `${PAPAGO_ID}`,
+                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
+            },
+            body: 'source=ko&target=fr&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)
+                    });
+            }
+        });
+
+}
+
+function trans_en(replyToken, message) {
 
     request.post(
         {