import re
import time
import datetime
from urllib import request
from bs4 import BeautifulSoup

if __name__ == '__main__':
    with open('save.txt', 'w+') as file:
        prevCheckCount = 0
        prevCheckTime = 0
        while True:
            if (time.time() - prevCheckTime) > 30:
                prevCheckTime = time.time()
                fp = request.urlopen('https://www1.president.go.kr/petitions/584936')
                source = fp.read()
                fp.close()
                bs = BeautifulSoup(source, features="html.parser")
                span = bs.find('span', class_="counter")
                if span is not None:
                    count = int(re.sub(',', '', span.text))
                    info = f'{str(datetime.datetime.now().strftime("%Y-%m-%d %H:%M"))}, ' \
                           f'{count},{count - prevCheckCount}'
                    prevCheckCount = count
                    print(info)
                    file.write(info)
                else:
                    newUrl = bs.find('script').text[len('window.location.href=')+1:-2]
                    fp = request.urlopen(newUrl)
                    source = fp.read()
                    fp.close()
                    bs = BeautifulSoup(source, features="html.parser")
                    span = bs.find('span', class_="counter")
                    if span is not None:
                        count = int(re.sub(',', '', span.text))
                        info = f'{str(datetime.datetime.now().strftime("%Y-%m-%d %H:%M"))}, ' \
                               f'{count},{count - prevCheckCount}'
                        prevCheckCount = count
                        print(info)
                        file.write(info)
                    else:
                        print('!!!:' + source)