기상청 api 이용 날씨 정보 획득 기능 추가

 var express = require('express');
 const request = require('request');
 const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
-const TOKEN = 'm79m/yBsTVzZeC9pYqSLzEL00Hp0HqsVE/0ZsZxW2HNAwdnb9TwDgBcOyCn3/aJASXsE8ekpyGg4Gts/4r8LO72OTZec9Np5Mh9g1vrgyDj5theWv4g2miE5F1Cqax4X3waj1aIzDGHcUZdHD6fQvAdB04t89/1O/w1cDnyilFU='
+const TOKEN = '9odQvyPPtDEzqHdfdk8Q8ua6dgrffTQuJnpkYuM6Q0VTREhmU+NJ0BAVCIfo2gEDtD37TYC0TZ7MrijHZeA592eUwzb+quftcHXBa0hye5iZHK0G4HiZCnB9C2bLgQvgQVJ47DwGeBQlwaNVJvze1AdB04t89/1O/w1cDnyilFU='
 const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
 const PAPAGO_D_URL = 'https://openapi.naver.com/v1/papago/detectLangs'
 const PAPAGO_ID = 'tA41WEd_nbzy0nZcUQks'
 const PAPAGO_SECRET = '6DHwov9gg2'
+const WEATHER_TARGET_URL = 'http://apis.data.go.kr/1360000/VilageFcstInfoService/getVilageFcst';
+const weather_key = 'CuIdcpULvcissE3Jk7AyAXok4bR4j6xyNkhfmWxOI9%2BxCs%2FkI%2F4v4j4rz3DDsQZVeuJTrWQhzQ3CV4JkeykMSw%3D%3D';
 const bodyParser = require('body-parser');
 var app = express();
 var async = require('async');
 const { resolve } = require('path');
 var Language_Detect_Array = new Array();
 var User_Info_Array = new Array();
+var Weahter_Info_Array = new Array();
+
+Weahter_Info_Array[0] =
+{
+    "Location" : '수원',
+    "nx" : 61,
+    "ny" : 120
+}
+Weahter_Info_Array[1] =
+{
+    "Location" : '서울',
+    "nx" : 60,
+    "ny" : 127
+}
+
 Language_Detect_Array[0] =
 {
     "Message" : '영어',
@@ -47,7 +64,7 @@ app.post('/hook', function (req, res) {
     var replyToken = eventObj.replyToken;
     var userid = eventObj.source.userId;
 
-    AsyncFunction(message, replyToken, userid);
+    if(message == '날씨') weathercheck(replyToken); else AsyncFunction(message, replyToken, userid);
 
     res.sendStatus(200);
 });
@@ -63,6 +80,15 @@ async function AsyncFunction(message, replyToken, userid)
     console.log("log-Message: ", Messaging);
 }
 
+async function weathercheck(replyToken)
+{
+    var timevalue = make_time()
+    var url = make_url(timevalue)
+    var persentofweawther = await weather_get(url);
+    var Messaging = await messaging(persentofweawther, replyToken, 1);
+    console.log("log-Message: ", Messaging);
+}
+
 function detector (message)
 //언어 감지
 {  
@@ -205,6 +231,103 @@ function Detect_Papago_Language_Change (TransToKoreanMessage, User_Location)
     }
 }
 
+function make_time()
+{
+    var today = new Date();
+    var value = new Object();
+    var dd = today.getDate();
+    var mm = today.getMonth()+1;
+    var yyyy = today.getFullYear();
+    var hours = today.getHours();
+    var minutes = today.getMinutes();
+
+    for (var i = 1; i<8; i++)
+    {
+        var temp = i+1;
+        if(3*i-1 <= hours && 3*temp-1 >= hours)
+        {
+            if(3*i-1<10)
+            value.hours = '0'+3*i-1;
+            else
+            value.hours = 3*i-1;
+            value.hours = 3*i-1+'00';
+            break;
+        }
+    }
+ 
+    if(minutes < 30){
+        // 30분보다 작으면 한시간 전 값
+        hours = hours - 1;
+        if(hours < 0){
+            // 자정 이전은 전날로 계산
+            today.setDate(today.getDate() - 1);
+            dd = today.getDate();
+            mm = today.getMonth()+1;
+            yyyy = today.getFullYear();
+            hours = 23;
+        }
+    }
+    if(hours<10) {
+        hours='0'+hours
+    }
+    if(mm<10) {
+        mm='0'+mm
+    }
+    if(dd<10) {
+        dd='0'+dd
+    } 
+    today = yyyy+""+mm+""+dd;
+
+    value.today = today;
+    return value;
+}
+
+function make_url(timevalue)
+{
+    var serviceKey = weather_key;
+    var pageNo = '1';
+    var numOfRows = '5';
+    var dataType = 'JSON';
+    var base_date = timevalue.today;
+    var base_time = timevalue.hours;
+    var nx = '61';
+    var ny = '120';
+
+    var url = `${WEATHER_TARGET_URL}`;
+    url += '?serviceKey='+serviceKey;
+    url += '&pageNo='+pageNo;
+    url += '&numOfRows='+numOfRows;
+    url += '&dataType='+dataType;
+    url += '&base_date='+base_date;
+    url += '&base_time='+base_time;
+    url += '&nx='+nx;
+    url += '&ny='+ny;
+    return url;
+}
+
+
+function weather_get (url)
+{
+    return new Promise(function(resolve, reject)
+    {
+    request.get(
+        {
+            url: url,
+        },(error, response, body) => 
+        {
+            if(!error && response.statusCode == 200)
+            {
+                var weatherObj = JSON.parse(response.body);
+                resolve('4시간 안에 비가 올 확률은'+weatherObj.response.body.items.item[0].fcstValue+'%입니다.');
+            }
+            else{
+                console.log('Error', error);
+            }
+        }
+    )
+    });
+}
+
   app.listen(3000, function () {
     console.log('Linebot listening on port 3000!');
   });
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