# 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.

from typing import Dict, Optional
from urllib.parse import unquote

from pypaimon.common.options import Options


class RESTUtil:
    @staticmethod
    def encode_string(value: str) -> str:
        import urllib.parse

        return urllib.parse.quote(value)

    @staticmethod
    def decode_string(encoded: str) -> str:
        """Decode URL-encoded string"""
        return unquote(encoded)

    @staticmethod
    def extract_prefix_map(
            options: Options, prefix: str) -> Dict[str, str]:
        result = {}
        config = options.to_map()
        for key, value in config.items():
            if key.startswith(prefix):
                new_key = key[len(prefix):]
                result[new_key] = str(value)
        return result

    @staticmethod
    def merge(
            base_properties: Optional[Dict[str, str]],
            override_properties: Optional[Dict[str, str]]) -> Dict[str, str]:
        if override_properties is None:
            override_properties = {}
        if base_properties is None:
            base_properties = {}
        
        result = {}
        
        for key, value in base_properties.items():
            if value is not None and key not in override_properties:
                result[key] = value
        
        for key, value in override_properties.items():
            if value is not None:
                result[key] = value
        
        return result
