# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

import dbm


class JsonCache:
    def __init__(self, cache_path: str):
        self.cache_path = f"{cache_path}/json_cache"

    def keys(self) -> list:
        with dbm.open(self.cache_path, "r") as db:
            return list(db.keys())

    def write(self, data: str, id_: str) -> None:
        with dbm.open(self.cache_path, "c") as db:
            db[id_] = data

    def read(self, id_: str) -> str:
        with dbm.open(self.cache_path, "r") as db:
            return db[id_].decode()

    def delete(self, id_: str) -> None:
        with dbm.open(self.cache_path, "r") as db:
            del db[id_]
