// Copyright (C) 2013 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.google.gerrit.server.restapi.config;

import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.extensions.webui.TopMenu;
import com.google.gerrit.extensions.webui.TopMenu.MenuEntry;
import com.google.gerrit.server.config.ConfigResource;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.ArrayList;
import java.util.List;

@Singleton
class ListTopMenus implements RestReadView<ConfigResource> {
  private final PluginSetContext<TopMenu> extensions;

  @Inject
  ListTopMenus(PluginSetContext<TopMenu> extensions) {
    this.extensions = extensions;
  }

  @Override
  public Response<List<MenuEntry>> apply(ConfigResource resource) {
    List<TopMenu.MenuEntry> entries = new ArrayList<>();
    extensions.runEach(extension -> entries.addAll(extension.getEntries()));
    return Response.ok(entries).caching(ConfigResource.DEFAULT_CACHE_CONTROL);
  }
}