import os
import logging
from contextvars import ContextVar
from argparse import ArgumentParser, Namespace


app_config: ContextVar[Namespace] = ContextVar("app_config")


def main():
    argp = ArgumentParser(
        "dooris-api",
        description="Server to interact with CCCHH doors via locks over CCUJACK over HomeMatic over WiFi",
    )
    argp.add_argument(
        "--openid-issuer",
        required="DOORIS_OPENID_ISSUER" not in os.environ,
        default=os.environ.get("DOORIS_OPENID_ISSUER", None),
        help="The Keycloak OpenID isser to use for authentication",
    )
    argp.add_argument(
        "--openid-scope",
        default=os.environ.get("DOORIS_OPENID_SCOPE", "openid profile"),
        help="The Keycloak OpenID isser to use for authentication",
    )
    argp.add_argument(
        "--openid-client-id",
        required="DOORIS_OPENID_CLIENT_ID" not in os.environ,
        default=os.environ.get("DOORIS_OPENID_CLIENT_ID", None),
        help="The Keycloak OpenID client-id to use for authentication",
    )
    argp.add_argument(
        "--openid-client-secret",
        required="DOORIS_OPENID_CLIENT_SECRET" not in os.environ,
        default=os.environ.get("DOORIS_OPENID_CLIENT_SECRET", None),
        help="The Keycloak OpenID client secret to use for authentication",
    )
    argp.add_argument(
        "--base-url",
        required="DOORIS_BASE_URL" not in os.environ,
        default=os.environ.get("DOORIS_BASE_URL", None),
        help="The Base-URL that this application is reachable under",
    )
    argp.add_argument(
        "--serve-static",
        required=False,
        default=os.environ.get("DOORIS_SERVE_STATIC", None),
        help="In addition to the API functionality, serve static files from this path",
    )
    argp.add_argument(
        "--ccujack-url",
        required=False,
        default=os.environ.get(
            "DOORIS_CCUJACK_URL", "https://hmdooris-ccu.ccchh.net:2122"
        ),
        help="The URL under which a CCUJACK instance is hosted that actually operates the locks",
    )
    argp.add_argument(
        "--ccujack-mqtt",
        required=False,
        default=os.environ.get("DOORIS_CCUJACK_MQTT", "hmdooris-ccu.ccchh.net:1883"),
        help="The $HOSTNAME:$PORT of the CCUJack embedded MQTT server",
    )
    argp.add_argument(
        "--ccujack-user",
        required="DOORIS_CCUJACK_USER" not in os.environ,
        default=os.environ.get("DOORIS_CCUJACK_USER", None),
        help="The username used to authenticate against the CCUJACK",
    )
    argp.add_argument(
        "--ccujack-password",
        required="DOORIS_CCUJACK_PASSWORD" not in os.environ,
        default=os.environ.get("DOORIS_CCUJACK_PASSWORD", None),
        help="The password used to authenticate against the CCUJACK",
    )
    argp.add_argument(
        "--static-api-tokens",
        required=False,
        nargs=1,
        action="append",
        default=[i for i in os.environ.get("DOORIS_STATIC_API_TOKENS", "").split(",") if bool(i)],
    )
    args = argp.parse_args()

    # setup logging
    logging.basicConfig(
        level=logging.DEBUG, format="[%(levelname)s] %(filename)s: %(message)s"
    )

    # setup app
    app_config.set(args)
    import uvicorn
    from dooris_api.app import app

    if args.serve_static:
        from fastapi.staticfiles import StaticFiles

        app.mount(
            "/", StaticFiles(directory=args.serve_static, html=True), name="static"
        )

    # start webserver
    config = uvicorn.Config(app, port=8000, log_level="debug")
    server = uvicorn.Server(config)
    server.run()