from datetime import datetime

from config import MAX_LEN


def beautify(string):
    return string.replace('_', ' ').replace('-', ' ').title()


def unbeautify(string):
    return string.replace(' ', '-').lower()


def generate_short_title(title):
    short_title = title or 'Untitled'
    if len(title) >= MAX_LEN:
        short_title = title[:MAX_LEN - len(' ... ')] + ' ... '
    short_title = short_title.replace('$', '')
    return short_title


def get_week(d=datetime.today()):
    return (int(d.strftime("%W")) + 52 - 5) % 52