// Copyright (c) 2013 VMware, Inc. All Rights Reserved.
// Copyright (C) 2017 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.owners.common;

import com.google.common.annotations.VisibleForTesting;
import com.google.gerrit.extensions.events.GitReferenceUpdatedListener;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Scopes;
import com.googlesource.gerrit.owners.api.OwnersAttentionSet;

public class AutoassignModule extends AbstractModule {

  private final Class<? extends OwnersAttentionSet> ownersAttentionSetImpl;
  private final AutoAssignConfig config;

  @VisibleForTesting
  AutoassignModule() {
    this(DefaultAddAllOwnersToAttentionSet.class, new AutoAssignConfig());
  }

  @Inject
  AutoassignModule(AutoAssignConfig config) {
    this(DefaultAddAllOwnersToAttentionSet.class, config);
  }

  @VisibleForTesting
  public AutoassignModule(
      Class<? extends OwnersAttentionSet> ownersAttentionSetImpl, AutoAssignConfig config) {
    this.ownersAttentionSetImpl = ownersAttentionSetImpl;
    this.config = config;
  }

  @Override
  protected void configure() {
    bind(ReviewerManager.class)
        .to(config.isAsyncReviewers() ? AsyncReviewerManager.class : SyncReviewerManager.class);
    DynamicSet.bind(binder(), GitReferenceUpdatedListener.class).to(GitRefListener.class);
    DynamicItem.bind(binder(), OwnersAttentionSet.class)
        .to(ownersAttentionSetImpl)
        .in(Scopes.SINGLETON);
    install(new AutoassignConfigModule());
  }
}