// Copyright 2014 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BUFFET_PRIVET_PRIVET_MANAGER_H_
#define BUFFET_PRIVET_PRIVET_MANAGER_H_

#include <memory>
#include <set>
#include <string>
#include <vector>

#include <base/memory/weak_ptr.h>
#include <base/scoped_observer.h>

#include "buffet/privet/cloud_delegate.h"

namespace buffet {
class CommandManager;
class DeviceRegistrationInfo;
}

namespace chromeos {
namespace dbus_utils {
class AsyncEventSequencer;
}
}

namespace libwebserv {
class ProtocolHandler;
class Request;
class Response;
class Server;
}

namespace privetd {

class ApManagerClient;
class CloudDelegate;
class DaemonState;
class DeviceDelegate;
class PeerdClient;
class PrivetHandler;
class PrivetdConfigParser;
class SecurityManager;
class ShillClient;
class WifiBootstrapManager;

class Manager : public CloudDelegate::Observer {
 public:
  struct Options {
    bool disable_privet{false};
    bool disable_security{false};
    bool enable_ping{false};
    std::set<std::string> device_whitelist;
  };

  Manager();
  ~Manager();

  void Start(const Options& options,
             const scoped_refptr<dbus::Bus>& bus,
             chromeos::dbus_utils::AsyncEventSequencer* sequencer);

  void OnShutdown();

  void OnDeviceInfoChanged() override;

  privetd::WifiBootstrapManager* GetWifiBootstrapManager() {
    return wifi_bootstrap_manager_.get();
  }

  privetd::SecurityManager* GetSecurityManager() { return security_.get(); }

 private:
  void PrivetRequestHandler(std::unique_ptr<libwebserv::Request> request,
                            std::unique_ptr<libwebserv::Response> response);

  void PrivetResponseHandler(std::unique_ptr<libwebserv::Response> response,
                             int status,
                             const base::DictionaryValue& output);

  void HelloWorldHandler(std::unique_ptr<libwebserv::Request> request,
                         std::unique_ptr<libwebserv::Response> response);

  void OnChanged();

  void OnConnectivityChanged(bool online);

  void OnProtocolHandlerConnected(
      libwebserv::ProtocolHandler* protocol_handler);

  void OnProtocolHandlerDisconnected(
      libwebserv::ProtocolHandler* protocol_handler);

  bool disable_security_{false};
  std::unique_ptr<PrivetdConfigParser> parser_;
  std::unique_ptr<DaemonState> state_store_;
  std::unique_ptr<CloudDelegate> cloud_;
  std::unique_ptr<DeviceDelegate> device_;
  std::unique_ptr<SecurityManager> security_;
  std::unique_ptr<ShillClient> shill_client_;
  std::unique_ptr<ApManagerClient> ap_manager_client_;
  std::unique_ptr<WifiBootstrapManager> wifi_bootstrap_manager_;
  std::unique_ptr<PeerdClient> peerd_client_;
  std::unique_ptr<PrivetHandler> privet_handler_;
  std::unique_ptr<libwebserv::Server> web_server_;

  ScopedObserver<CloudDelegate, CloudDelegate::Observer> cloud_observer_{this};

  base::WeakPtrFactory<Manager> weak_ptr_factory_{this};
  DISALLOW_COPY_AND_ASSIGN(Manager);
};

}  // namespace privetd

#endif  // BUFFET_PRIVET_PRIVET_MANAGER_H_