import sys
import re
from pathlib import Path
from urllib.parse import urlparse

# Add parent workspace directory to path to import generic_downloader
sys.path.append(str(Path(__file__).resolve().parents[1]))
import generic_downloader

def is_video_link(url):
    # Match Motherless video URL patterns like:
    # https://motherless.com/AC493CD
    # https://motherless.com/g/group_name/AC493CD
    path = urlparse(url).path.rstrip("/")
    if not path:
        return False
    parts = path.split("/")
    last_part = parts[-1]
    # Motherless IDs are typically 7 or 8 characters of uppercase letters and numbers
    return bool(re.match(r'^[A-Z0-9]{6,9}$', last_part))

if __name__ == "__main__":
    uploader_eval = """() => {
        const memberLink = document.querySelector('a[href*="/members/"]');
        if (memberLink) return memberLink.innerText.trim();
        const uploadText = document.querySelector('.upload-info');
        if (uploadText) {
            const m = uploadText.innerText.match(/by\\s+(\\S+)/i);
            if (m) return m[1];
        }
        return 'unknown';
    }"""
    
    generic_downloader.run(
        site_name="Motherless",
        is_video_link_fn=is_video_link,
        next_page_selector="a:has-text('Next'), a.next, a.pagination-next",
        video_selector="video",
        uploader_eval_js=uploader_eval
    )