// Copyright (C) 2014 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.ericsson.gerrit.plugins.highavailability.websession.file;

import static java.util.concurrent.TimeUnit.HOURS;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

import com.google.common.base.Strings;
import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.httpd.WebSession;
import com.google.gerrit.lifecycle.LifecycleModule;
import com.google.gerrit.server.config.ConfigUtil;
import com.google.gerrit.server.config.PluginConfigFactory;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.inject.servlet.RequestScoped;
import com.google.inject.servlet.ServletScopes;

public class FileBasedWebsessionModule extends LifecycleModule {
  @Override
  protected void configure() {
    bindScope(RequestScoped.class, ServletScopes.REQUEST);
    DynamicItem.bind(binder(), WebSession.class).to(FileBasedWebSession.class)
        .in(RequestScoped.class);
    listener().to(FileBasedWebSessionCacheCleaner.class);
  }

  @Provides
  @Singleton
  @CleanupIntervalMillis
  Long getCleanupInterval(PluginConfigFactory cfg,
      @PluginName String pluginName) {
    String fromConfig = Strings.nullToEmpty(
        cfg.getFromGerritConfig(pluginName, true).getString("cleanupInterval"));
    return ConfigUtil.getTimeUnit(fromConfig, HOURS.toMillis(24), MILLISECONDS);
  }
}