Address.js

const { response } = require('express');
const fetch = require('node-fetch')

globalThis.fetch = fetch.fetch;

var AddressList = new Array();

require("dotenv").config( {path: "/home/ec2-user/emergencyRoom-ChatBot/.env"} );
const KAKAO_KEY = process.env.KAKAO_KEY;




// hospitals: array from hospital API
// addNum: index of addressArray

function getXY(hospitals, addNum) {
	var hospitals_xy = new Array();
	hospitals_xy.my_x = AddressList[addNum].road_address.x;
	hospitals_xy.my_y = AddressList[addNum].road_address.y;
	// hopsitals_keyword[i] : name, x, y

	for (let i = 0; i < hospitals.length; i++) {	// iterate through available hospitals...

		fetch('https://dapi.kakao.com/v2/local/search/keyword.json?' + new URLSearchParams({
     		query: hospitals.name,
	 		category_group_code: "HP8"
   		 }), {
     		method: "GET",
     		headers: {"Authorization": KAKAO_KEY}
		})
    	.then(response => response.json())
    	.then(data => {
			for (let j = 0; j < data.length; j++) {
				if ((data.documents[j].category_name === "의료,건강 > 병원 > 종합병원") || (data.documents[j].category_name === "의료,건강 > 병원 > 대학병원")) {
					hospitals_xy[i].name = data.documents[j].place_name;
        			hospitals_xy[i].x = data.documents[j].x;
					hospitals_xy[i].y = data.documents[j].y;
					break;
				}
			}
			
    	})

	}
	AddressList = null;
    return hospitals_xy;
	/*
	hospitals_xy:
		.my_x, .my_y: user's coordinates (to some precision..)
		[i].name: name of ith hospital
		[i].x, [i].y: coordinates of ith hospital
	
	*/

	// for loop 다 돈 다음에 return하도록 수정해야함 (하실수 있는분?)
}

module.exports = {getXY};