#!/usr/bin/env python3

from urllib.parse import urljoin
from pyquery import PyQuery as pq
from collections import Counter
from random import shuffle
from dateutil import rrule


def get_active_pmwiki_authors(base_url='https://hsmr.cc/'):
    recent_changes = pq(urljoin(base_url, 'Site/AllRecentChanges'))
    recent_authors = recent_changes('a[href*=Profiles]')

    active_authors = Counter(
        [
            author.text
            for author in recent_authors
            if not author.text.startswith('Profiles.')  # edited profile
            and not author.text == '?'  # no profile / .createlinktext
        ]
    ).most_common()  # list of tuples (name, appearances)

    return active_authors


def random_active_pmwiki_authors(base_url='https://hsmr.cc/'):
    random_active_authors = [
        author[0]
        for author in get_active_pmwiki_authors(base_url)
    ]
    shuffle(random_active_authors)

    return random_active_authors


def next_weeks(count):
    mondays = rrule.rrule(rrule.WEEKLY, byweekday=rrule.MO,
                          count=count)
    sundays = rrule.rrule(rrule.WEEKLY, byweekday=rrule.SU,
                          count=count, dtstart=mondays[0])
    return list(zip(mondays, sundays))


users = random_active_pmwiki_authors()
for week in next_weeks(len(users) * 3):
    if len(users) == 0:
        users = random_active_pmwiki_authors()  # lazy. maybe unfair.

    print(
        '||  {iso_weeknumber}            ||  {begin} ||  {end} ||  [[Profiles/{user}]] ||'.format(
            iso_weeknumber=week[0].isocalendar()[1],
            begin=week[0].strftime('%A, %Y-%m-%d'),
            end=week[1].strftime('%A, %Y-%m-%d'),
            user=users.pop()
        )
    )