def METHOD_NAME(self, parsed_options, uri):
    """Configure and connect to the MongoDB database."""
    self.writable = True if "w" in parsed_options.mode else False
    client_options = {
        k: parsed_options[k] for k in parsed_options if "MONGOCLIENT_" in k
    }
    user = quote_plus(parsed_options.user) if parsed_options.user else None
    password = (
        quote_plus(parsed_options.password)
        if parsed_options.password
        else None
    )
    # Determine the schema based on the presence of "localhost" or "127.0.0.1" in the URI
    schema = parsed_options.get("schema", None)
    if schema is None:
        if "localhost" in uri or "127.0.0.1" in uri:
            schema = "mongodb"
        else:
            schema = "mongodb+srv"
    # Remove any existing schema from the URI
    if not uri.startswith(schema + "://"):
        uri = uri.replace("mongodb+srv://", "")
        uri = uri.replace("mongodb://", "")
    # Construct the final URI with the correct schema
    final_uri = f"{schema}://{uri}"
    if dlite.asbool(parsed_options.mock):
        import mongomock
        mongo_url = urlparse(f"mongodb://{uri}")
        port = mongo_url.port if mongo_url.port else 27017
        @mongomock.patch(servers=((mongo_url.hostname, port),))
        def get_client():
            return open_client()
    else:
        def get_client():
            return open_client()
    def open_client():
        client = pymongo.MongoClient(
            host=final_uri,
            username=user,
            password=password,
            **client_options,
        )
        return client
    self.client = get_client()
    self.collection = self.client[parsed_options.database][
        parsed_options.collection
    ]
    self.options = parsed_options