/*
 * Copyright 2025 Apollo Authors
 *
 * Licensed 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.
 *
 */
package com.ctrip.framework.apollo.biz.utils;


import com.google.common.base.Joiner;

import com.ctrip.framework.apollo.core.ConfigConsts;
import com.google.common.base.Splitter;
import java.util.Collections;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ReleaseMessageKeyGenerator {

  private static final Logger logger = LoggerFactory.getLogger(ReleaseMessageKeyGenerator.class);

  private static final Joiner STRING_JOINER = Joiner.on(ConfigConsts.CLUSTER_NAMESPACE_SEPARATOR);
  private static final Splitter STRING_SPLITTER =
      Splitter.on(ConfigConsts.CLUSTER_NAMESPACE_SEPARATOR).omitEmptyStrings();

  public static String generate(String appId, String cluster, String namespace) {
    return STRING_JOINER.join(appId, cluster, namespace);
  }

  public static List<String> messageToList(String message) {
    List<String> keys = STRING_SPLITTER.splitToList(message);
    // message should be appId+cluster+namespace
    if (keys.size() != 3) {
      logger.error("message format invalid - {}", message);
      return Collections.emptyList();
    }
    return keys;
  }
}
