const puppeteer  = require("puppeteer");

const crawler = async() => {
    try{
        const browser = await puppeteer.launch({headless: false, args:['--window-size=1920,1080']});
        // for observing the process of login, headless -> false
        const page = await browser.newPage();
        await page.setViewport({
            width:1920,
            height:1080
        })
        await page.goto('https://e-campus.khu.ac.kr/xn-sso/login.php?auto_login=&sso_only=&cvs_lgn=&return_url=https%3A%2F%2Fe-campus.khu.ac.kr%2Fxn-sso%2Fgw-cb.php%3Ffrom%3D%26login_type%3Dstandalone%26return_url%3Dhttps%253A%252F%252Fe-campus.khu.ac.kr%252Flogin%252Fcallback');
        await page.evaluate(() => {
            document.querySelector("#login_user_id").value = //자신의 E_Campus account id
            document.querySelector("#login_user_password").value = // pw
            document.querySelector('#form1 > div > div.login_btn > a > span').click();
        })
        
    }catch(err){
        console.log(err)
    }
}

crawler();