feat: Implement bus arrival information output

 var express = require('express');
 require("dotenv").config();
-var url = 'http://apis.data.go.kr/6410000/busarrivalservice/getBusArrivalList';
-var queryParams = '?' + encodeURIComponent('serviceKey') + 'Y6FZX1ZGniy+sKjl3AYf+bnh719O0mTDXOdJEODTJ4x1hgFVU60TCHS8Cj//pUtXTkEBp6k2RQ7GGuTqNeAiyA=='; /* Service Key*/
-queryParams += '&' + encodeURIComponent('stationId') + '=' + encodeURIComponent('200000078'); /* */
 
 const fs = require('fs');
 const path = require('path');

 var request = require('request');
-const convert = require("xml-js")
+const convert = require("xml-js");
+const { routeIdToBusNum } = require("./routeidmap");
 
 var url = 'http://apis.data.go.kr/6410000/busarrivalservice/getBusArrivalList';
 var queryParams = '?' + encodeURIComponent('serviceKey') + process.env.SERVICE_KEY; /* Service Key*/
@@ -11,11 +12,27 @@ function callRequest() {
             url: url + queryParams,
             method: 'GET'
         }, function (error, response, body) {
-            const data = convert.xml2js(body, { compact: true }).response.msgBody
-            if (data)
-                resolve(JSON.stringify(data.busArrivalList[1]));
-            else
-                resolve("운행 중인 버스가 없습니다.");
+            const data = convert.xml2js(body, { compact: true }).response.msgBody.busArrivalList
+            if(!data) resolve("운행 중인 버스가 없습니다.");
+
+            let result = "";
+            for (let i in data) {
+                result += `${routeIdToBusNum[data[i].routeId._text]}번 버스 도착 정보입니다\n`;
+                result += `첫 번째 도착: ${data[i].predictTime1._text}\n두 번째 도착: ${data[i].predictTime2._text}\n\n`;
+            }
+
+            resolve(result.substring(0, result.length - 2));
+            // const data1 = convert.xml2js(body, { compact: true }).response.msgBody.busArrivalList[0].predictTime1._text
+            // const data2 = convert.xml2js(body, { compact: true }).response.msgBody.busArrivalList[0].predictTime2._text
+            // if (data1)
+            // {
+            //     //resolve(JSON.stringify(data.busArrivalList[0]));
+            //     console.log("첫 번째: " + data1)
+            //     resolve("첫 번째: " + data1 + "\n두 번째: "+data2);
+            //     //resolve(JSON.stringify(data));
+            // }
+            // else
+            //     resolve("운행 중인 버스가 없습니다.");
         });
      })
 }

 module.exports = {
-    200000115: "5100",
-    200000103: "9",
-    234000016: "1112",
-    234000001: "5500_1",
-    200000112: "7000",
-    234001243: "5107",
+    routeIdToBusNum: {
+        200000115: "5100",
+        200000103: "9",
+        234000016: "1112",
+        200000112: "7000",
+        234000001: "5500_1",
+        234001243: "5107",
+    },
+    busNumToRouteId: {
+        "5100" : 200000115,
+        "9" : 200000103,
+        "1112" : 234000016,
+        "7000" : 200000112,
+        "5500_1" : 234000001,
+        "5107" : 234001243,
+    }
 }
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