import argparse
import os

import switch_client
import todo
from menu import get_menu_items, get_site_links_html, get_treeframe_url


def main():
    parser = argparse.ArgumentParser(description="Log in to the switch and discover its menu tree.")
    parser.add_argument("--dump-html", metavar="DIR", help="Save fetched HTML pages into this directory for debugging.")
    args = parser.parse_args()

    session = switch_client.get_session()

    if args.dump_html:
        os.makedirs(args.dump_html, exist_ok=True)
        root_html = switch_client.fetch(session, "/")
        with open(os.path.join(args.dump_html, "root.html"), "w", encoding="utf-8") as f:
            f.write(root_html)

        treeframe_url = get_treeframe_url(session)
        site_links_html = get_site_links_html(session, treeframe_url)
        with open(os.path.join(args.dump_html, "site_links.html"), "w", encoding="utf-8") as f:
            f.write(site_links_html)

    items = get_menu_items(session)
    for item in items:
        print(f"{'  ' * item.depth}{item.label} -> {item.href}")

    todo.refresh_todo(items)
    print(f"\nWrote {todo.TODO_PATH}")


if __name__ == "__main__":
    main()