Modify replied word

@@ -8,6 +8,10 @@ const HTTPS = require('https');
 const domain = "2020105659.osschatbot.cf"
 const sslport = 23023;
 
+//Open API
+const STDICT_URL = 'https://stdict.korean.go.kr/api/search.do?'
+const STDICT_KEY = '14AA284251F616FF2151DBE4CD7B3D4C'
+
 //Webhook
 const bodyParser = require('body-parser');
 var app = express();
@@ -21,107 +25,55 @@ app.post('/hook', function (req, res) {
   // request log
   console.log('======================', new Date() ,'======================');
   console.log('[request]', req.body);
-  console.log('[request source] ', eventObj.source);
-  console.log('[request message]', eventObj.message);
+  console.log('[request source] ', source);
+  console.log('[request message]', message);
+
+  wordchain(eventObj.replyToken, message.text);
 
-  //Reply
-  request.post(
-    {
-        url: TARGET_URL,
-        headers: {
-            'Authorization': `Bearer ${TOKEN}`
-        },
-        json: {
-            "replyToken":eventObj.replyToken,
-            "messages":[
-                {
-                    "type":"text",
-                    "text":"안녕하세요"
-                },
-                {
-                    "type":"text",
-                    "text":"끝말잇기봇입니다"
-                }
-            ]
-        }
-    },(error, response, body) => {
-        console.log(body)
-    });
 
   res.sendStatus(200);
 });
 
-//SSL
-try {
-    const option = {
-      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
-      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
-      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
-    };
-  
-    HTTPS.createServer(option, app).listen(sslport, () => {
-      console.log(`[HTTPS] Server is started on port ${sslport}`);
-    });
-  } catch (error) {
-    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
-    console.log(error);
-  }
-
-
+function wordchain(replyToken, message) {
+  let letter = message.slice(-1);
 
-/*
-var express = require('express');
-const request = require('request');
-const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
-const TOKEN = 'P5+e9JkPRckzKu1Fv7ghZl1MfP0wrYwYcgBVzHWe1OHO4Gtv1PIa9BARYqxoAThaXPSf8MyVKcpDE88V5jOnoS4o2xCNcgH9Ne4wcrPuNX6AT4gsfYEz0Y7n/A4+rT4vXHYARK34YPbkzzQbiXiyiQdB04t89/1O/w1cDnyilFU='
-const fs = require('fs');
-const path = require('path');
-const HTTPS = require('https');
-const domain = "2020105659.osschatbot.cf"
-const sslport = 23023;
-
-const bodyParser = require('body-parser');
-var app = express();
-app.use(bodyParser.json());
-app.post('/hook', function (req, res) {
-
-    var eventObj = req.body.events[0];
-    var source = eventObj.source;
-    var message = eventObj.message;
-
-    // request log
-    console.log('======================', new Date() ,'======================');
-    console.log('[request]', req.body);
-    console.log('[request source] ', eventObj.source);
-    console.log('[request message]', eventObj.message);
+  request.post(
+      {
+          url: STDICT_URL,
+          headers: {
+              'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+              'Stdict-Key': `${STDICT_KEY}`
+          },
+          body: 'https://stdict.korean.go.kr/api/search.do?' + `key=${STDICT_KEY}` + `q=${letter}` + 'req_type=json' + 'advanced=y' + 'method=start',
+          json:true
+      },(error, response, body) => {
+          if(!error && response.statusCode == 200) {
+              console.log(body.message);
+              var nextword = body.message.word.searchedWord;
+              request.post(
+                  {
+                      url: TARGET_URL,
+                      headers: {
+                          'Authorization': `Bearer ${TOKEN}`
+                      },
+                      json: {
+                          "replyToken":replyToken,
+                          "messages":[
+                              {
+                                  "type":"text",
+                                  "text":nextword
+                              }
+                          ]
+                      }
+                  },(error, response, body) => {
+                      console.log(body)
+                  });
+          }
+      });
 
-    request.post(
-        {
-            url: TARGET_URL,
-            headers: {
-                'Authorization': `Bearer ${TOKEN}`
-            },
-            json: {
-                "replyToken":eventObj.replyToken,
-                "messages":[
-                    {
-                        "type":"text",
-                        "text":"Hello, user"
-                    },
-                    {
-                        "type":"text",
-                        "text":"May I help you?"
-                    }
-                ]
-            }
-        },(error, response, body) => {
-            console.log(body)
-        });
-    
-
-    res.sendStatus(200);
-});
+}
 
+//SSL
 try {
     const option = {
       ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
@@ -135,5 +87,4 @@ try {
   } catch (error) {
     console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
     console.log(error);
-  }
-  */
\ No newline at end of file
+  }
\ No newline at end of file