#!/usr/bin/env python3
import os
import re
import sys

pattern = r'<a[^>]*class=[\'"][^\'"]*evcal_evdata_row evo_clik_row[^\'"]*[\'"][^>]*href=[\'"]([^\'"]+)[\'"][^>]*>'

for slug in sys.argv[1:]:
    page_path = os.path.join("events", slug, "page.html")
    event_url_path = os.path.join("events", slug, "event-url")
    if os.path.exists(event_url_path):
        continue

    with open(page_path, "r") as f:
        page_content = f.read()

    match = re.search(pattern, page_content)
    if not match:
        print(f"event {slug} has no event url")
        continue

    event_page_url = match.group(1)
    with open(event_url_path, "w") as f:
        f.write(event_page_url)