// Copyright (C) 2008 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.httpd.rpc.project;

import com.google.gerrit.common.data.AccessSection;
import com.google.gerrit.common.data.ProjectAccess;
import com.google.gerrit.common.data.ProjectAdminService;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gwtjsonrpc.common.AsyncCallback;
import com.google.inject.Inject;

import org.eclipse.jgit.lib.ObjectId;

import java.util.List;

class ProjectAdminServiceImpl implements ProjectAdminService {
  private final ChangeProjectAccess.Factory changeProjectAccessFactory;
  private final ReviewProjectAccess.Factory reviewProjectAccessFactory;
  private final ProjectAccessFactory.Factory projectAccessFactory;

  @Inject
  ProjectAdminServiceImpl(final ChangeProjectAccess.Factory changeProjectAccessFactory,
      final ReviewProjectAccess.Factory reviewProjectAccessFactory,
      final ProjectAccessFactory.Factory projectAccessFactory) {
    this.changeProjectAccessFactory = changeProjectAccessFactory;
    this.reviewProjectAccessFactory = reviewProjectAccessFactory;
    this.projectAccessFactory = projectAccessFactory;
  }

  @Override
  public void projectAccess(final Project.NameKey projectName,
      final AsyncCallback<ProjectAccess> callback) {
    projectAccessFactory.create(projectName).to(callback);
  }

  private static ObjectId getBase(final String baseRevision) {
    if (baseRevision != null && !baseRevision.isEmpty()) {
      return ObjectId.fromString(baseRevision);
    }
    return null;
  }

  @Override
  public void changeProjectAccess(Project.NameKey projectName,
      String baseRevision, String msg, List<AccessSection> sections,
      Project.NameKey parentProjectName, AsyncCallback<ProjectAccess> cb) {
    changeProjectAccessFactory.create(projectName, getBase(baseRevision),
        sections, parentProjectName, msg).to(cb);
  }

  @Override
  public void reviewProjectAccess(Project.NameKey projectName,
      String baseRevision, String msg, List<AccessSection> sections,
      Project.NameKey parentProjectName, AsyncCallback<Change.Id> cb) {
    reviewProjectAccessFactory.create(projectName, getBase(baseRevision),
        sections, parentProjectName, msg).to(cb);
  }
}