// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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.

#ifndef __HOOK_MANAGER_HPP__
#define __HOOK_MANAGER_HPP__

#include <string>

#include <mesos/mesos.hpp>
#include <mesos/hook.hpp>

#include <process/future.hpp>

#include <stout/try.hpp>

namespace mesos {
namespace internal {

class HookManager
{
public:
  static Try<Nothing> initialize(const std::string& hookList);

  // Exposed just for testing so that we can unload a given
  // hook and remove it from the list of available hooks.
  static Try<Nothing> unload(const std::string& hookName);

  static bool hooksAvailable();

  static Labels masterLaunchTaskLabelDecorator(
      const TaskInfo& taskInfo,
      const FrameworkInfo& frameworkInfo,
      const SlaveInfo& slaveInfo);

  static Resources masterLaunchTaskResourceDecorator(
      const TaskInfo& taskInfo,
      const Resources& slaveResources);

  static void masterSlaveLostHook(const SlaveInfo& slaveInfo);

  static Labels slaveRunTaskLabelDecorator(
      const TaskInfo& taskInfo,
      const ExecutorInfo& executorInfo,
      const FrameworkInfo& frameworkInfo,
      const SlaveInfo& slaveInfo);

  static Environment slaveExecutorEnvironmentDecorator(
      ExecutorInfo executorInfo);

  static process::Future<DockerTaskExecutorPrepareInfo>
    slavePreLaunchDockerTaskExecutorDecorator(
        const Option<TaskInfo>& taskInfo,
        const ExecutorInfo& executorInfo,
        const std::string& containerName,
        const std::string& containerWorkDirectory,
        const std::string& mappedSandboxDirectory,
        const Option<std::map<std::string, std::string>>& env);

  static void slavePostFetchHook(
      const ContainerID& containerId,
      const std::string& directory);

  static void slaveRemoveExecutorHook(
      const FrameworkInfo& frameworkInfo,
      const ExecutorInfo& executorInfo);

  static TaskStatus slaveTaskStatusDecorator(
      const FrameworkID& frameworkId,
      TaskStatus status);

  static Resources slaveResourcesDecorator(
      const SlaveInfo& slaveInfo);

  static Attributes slaveAttributesDecorator(
      const SlaveInfo& slaveInfo);
};

} // namespace internal {
} // namespace mesos {

#endif // __HOOK_MANAGER_HPP__