// 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.project;

import com.google.gerrit.entities.BranchNameKey;
import com.google.gerrit.extensions.restapi.RestView;
import com.google.gerrit.server.CurrentUser;
import com.google.inject.TypeLiteral;
import java.util.Optional;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;

public class BranchResource extends RefResource {
  public static final TypeLiteral<RestView<BranchResource>> BRANCH_KIND = new TypeLiteral<>() {};

  private final String refName;
  private final Optional<String> revision;

  public BranchResource(ProjectState projectState, CurrentUser user, Ref ref) {
    super(projectState, user);
    this.refName = ref.getName();
    this.revision = Optional.ofNullable(ref.getObjectId()).map(ObjectId::name);
  }

  public BranchNameKey getBranchKey() {
    return BranchNameKey.create(getNameKey(), refName);
  }

  @Override
  public String getRef() {
    return refName;
  }

  @Override
  public Optional<String> getRevision() {
    return revision;
  }
}