let request = require('request');
let cheerio = require('cheerio');

const bus_url = 'http://apis.data.go.kr/6410000/busarrivalservice/getBusArrivalList';
const bus_key = 'RwxSWXH88b2bKOAT6Ot3FHorPZQW9omma0xYIjtJe0JIKe4DC7TjX7Uj6E1ArzYi2AvVETmPrAIYyY8FlL%2BfAA%3D%3D';
const stationID = '228000708'; // 사색의광장 들어오는 방향
const gateStationID = '203000125'  

const BusArrivalUrl = bus_url + '?servicekey=' + bus_key + '&stationId=' + stationID;// 사색의광장 정류장 버스 도착 정보 조회용
console.log(BusArrivalUrl);

var routeID = [];
var Bus = []; // 버스 차 번호( ex) 경기 70바 3713 ) / 도착 여부 확인용
var BusNum = []; // 버스 번호 ( ex) 9)
request(BusArrivalUrl, (err, res, body) => {
    var $ = cheerio.load(body, {decodeEntities: false});

    $('busArrivalList').each(function(idx){
        let route = $(this).find('routeId').text();
        routeID.push(route);
    })
    console.log(routeID);
})

const route_url = 'http://apis.data.go.kr/6410000/busrouteservice/getBusRouteInfoItem';
const route_key = 'RwxSWXH88b2bKOAT6Ot3FHorPZQW9omma0xYIjtJe0JIKe4DC7TjX7Uj6E1ArzYi2AvVETmPrAIYyY8FlL%2BfAA%3D%3D';

var j = 0;
function getBusNum(){
    let BusRouteUrl = route_url + '?servicekey=' + route_key + '&routeId='; // 각 버스 정보 조회용
    BusRouteUrl += routeID[j++];
    //console.log(BusRouteUrl);

    request(BusRouteUrl, (err, res, body) => {
        var $ = cheerio.load(body, {decodeEntities: false});
        $('busRouteInfoItem').each(function(idx){
            let num = $(this).find('routeName').text();
            BusNum.push(num);
            console.log(num);
        })
    })
}

function useFor(){
    for(var i=0; i<routeID.length; i++){
        setTimeout(getBusNum, 1000);
    }
}
setTimeout(useFor, 500);

const GateBusUrl = bus_url + '?servicekey=' + bus_key + '&stationId=' + gateStationID;

request(GateBusUrl, (err, res, body) => {
    var $ = cheerio.load(body, {decodeEntities: false});

    $('busArrivalList').each(function(idx){
        let route = $(this).find('routeId').text();
        let num = $(this).find('plateNo1').text();

        var index = routeID.indexOf(route);
        if(index > -1){
            for(var i=0; i<Bus.length; i++){
                if(Bus[i]['route'] == route){
                    if(Bus[i]['num'] != num){
                        Bus[i]['pass'] = true;
                        Bus[i]['num'] == num;
                    }
                }
            }
            var info = new Object();
            info.route = route;
            info.num = num;
            info.pass = false; // json 형태로 저장
            Bus.push(info);
        }
    })
    console.log(routeID);
    console.log(Bus);
})