// Copyright 2015 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 LIBWEAVE_EXAMPLES_UBUNTU_NETWORK_MANAGER_H_
#define LIBWEAVE_EXAMPLES_UBUNTU_NETWORK_MANAGER_H_

#include <string>
#include <vector>

#include <base/memory/weak_ptr.h>
#include <base/time/time.h>
#include <weave/network.h>
#include <weave/wifi.h>

namespace weave {

class TaskRunner;

namespace examples {

// Basic weave::Network implementation.
// Production version of SSL socket needs secure server certificate check.
class NetworkImpl : public Network, public Wifi {
 public:
  explicit NetworkImpl(TaskRunner* task_runner, bool force_bootstrapping);
  ~NetworkImpl();

  // Network implementation
  void AddOnConnectionChangedCallback(
      const OnConnectionChangedCallback& listener) override;
  NetworkState GetConnectionState() const override;
  void OpenSslSocket(
      const std::string& host,
      uint16_t port,
      const base::Callback<void(std::unique_ptr<Stream>)>& success_callback,
      const base::Callback<void(const Error*)>& error_callback) override;

  // Wifi implementation
  void ConnectToService(
      const std::string& ssid,
      const std::string& passphrase,
      const base::Closure& success_callback,
      const base::Callback<void(const Error*)>& error_callback) override;
  void EnableAccessPoint(const std::string& ssid) override;
  void DisableAccessPoint() override;

  static bool HasWifiCapability();

 private:
  void TryToConnect(const std::string& ssid,
                    const std::string& passphrase,
                    int pid,
                    base::Time until,
                    const base::Closure& success_callback,
                    const base::Callback<void(const Error*)>& error_callback);
  void UpdateNetworkState();

  bool force_bootstrapping_{false};
  bool hostapd_started_{false};
  TaskRunner* task_runner_{nullptr};
  std::vector<OnConnectionChangedCallback> callbacks_;
  NetworkState network_state_{NetworkState::kOffline};

  base::WeakPtrFactory<NetworkImpl> weak_ptr_factory_{this};
};

}  // namespace examples
}  // namespace weave

#endif  // LIBWEAVE_EXAMPLES_UBUNTU_NETWORK_MANAGER_H_