// Copyright (C) 2018 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.readonly;

import static com.google.common.base.MoreObjects.firstNonNull;

import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.server.config.PluginConfigFactory;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.jgit.lib.Config;

@Singleton
class ReadOnlyConfig {
  private static final String MESSAGE_KEY = "message";
  private static final String DEFAULT_MESSAGE =
      "Gerrit is under maintenance - all data is READ ONLY";

  private final String message;

  @Inject
  ReadOnlyConfig(PluginConfigFactory pluginConfigFactory, @PluginName String pluginName) {
    Config cfg = pluginConfigFactory.getGlobalPluginConfig(pluginName);
    this.message = firstNonNull(cfg.getString(pluginName, null, MESSAGE_KEY), DEFAULT_MESSAGE);
  }

  String message() {
    return message;
  }
}