from tornado.web import RedirectHandler
from jupyter_server.utils import url_path_join


def load_jupyter_server_extension(serverapp):
    from .labapp import LabApp

    """Temporary server extension shim when using
    old notebook server.
    """
    extension = LabApp()
    extension.serverapp = serverapp
    extension.load_config_file()
    extension.update_config(serverapp.config)
    extension.parse_command_line(serverapp.extra_args)
    extension.handlers.extend([
        (r"/static/favicons/favicon.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon.ico")}),
        (r"/static/favicons/favicon-busy-1.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon-busy-1.ico")}),
        (r"/static/favicons/favicon-busy-2.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon-busy-2.ico")}),
        (r"/static/favicons/favicon-busy-3.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon-busy-3.ico")}),
        (r"/static/favicons/favicon-file.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon-file.ico")}),
        (r"/static/favicons/favicon-notebook.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon-notebook.ico")}),
        (r"/static/favicons/favicon-terminal.ico", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/favicon-terminal.ico")}),
        (r"/static/logo/logo.png", RedirectHandler,
            {"url": url_path_join(serverapp.base_url, "static/base/images/logo.png")}),
    ])
    extension.initialize()