from bs4 import BeautifulSoup
import requests
import datefinder  # another date finding library
import re
from datetime import datetime
from datetime import timedelta
import time
import pandas as pd
import re # for salt stack specifically
from projects import slackware
import json  # import json to read project info stored in json file

# this function is brute force looping through the whole directory and checking dates
# it may sound horrible, but for certain distros, i believe it's indeed the best solution

# lists
urls=[]

home_site = "https://cdimage.ubuntu.com"

# function created
def scrape(site):
       
    # getting the request from url
    r = requests.get(site)
       
    # converting the text
    s = BeautifulSoup(r.text,"html.parser")

    # salt stack specific code
    # s = s.find("div", {"id": "listing"})
    # print(s)

    for i in s.find_all("a"): # for a href directories
        href = i.attrs['href']
           
        if href.endswith("/") and href != "../" and href != "/":
            if home_site+href in urls: # avoids the link to parent directory
                continue
            """if href == "//ftp.netbsd.org/": # netbsd specific code
                continue"""
            site_next = site+href

            if site_next not in  urls:
                urls.append(site_next) 
                print(site_next)
                # calling it self
                scrape(site_next)

def get_latest_date(web_dir):
    page = requests.get(web_dir).text

    str_dates = re.findall(r'(\d{2}-\w{3}-\d{4} \d{2}:\d{2})|(\d{4}-\d{2}-\d{2} \d{2}:\d{2})', page)
    # print(str_dates[0])
    dates = [list(datefinder.find_dates(date[1]))[0] for date in str_dates]

    # for date in dates:
    #     print(date)

    if len(dates) == 0:
        return datetime(1000, 1, 1) # return ridiculously old date to discard this entry, since it has no dates
    return(max(dates))
   
# main function
if __name__ =="__main__":
    with open("data.json", "r", encoding="utf-8") as file:
        data = json.load(file)
        print(slackware.check(data, "slackware"))
   
    """# website to be scrape
    site="https://cdimage.ubuntu.com/releases/"
    # works on: 
    #           https://www.x.org/releases/

    # calling function
    scrape(site)

    latest_date = get_latest_date(urls[0])
    # get_latest_date(urls[0])
    for dir in urls:
        latest_date2 = get_latest_date(dir)
        if (latest_date2 >= latest_date):
            latest_date = latest_date2

    print(latest_date)"""