// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_ASH_APP_MODE_KIOSK_SYSTEM_SESSION_H_
#define CHROME_BROWSER_ASH_APP_MODE_KIOSK_SYSTEM_SESSION_H_

#include <memory>
#include <optional>
#include <string>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "chrome/browser/ash/app_mode/kiosk_app_types.h"
#include "chrome/browser/ash/app_mode/kiosk_network_state_observer.h"
#include "chrome/browser/ash/app_mode/metrics/low_disk_metrics_service.h"
#include "chrome/browser/ash/app_mode/metrics/periodic_metrics_service.h"
#include "chrome/browser/chromeos/app_mode/kiosk_browser_session.h"
#include "chrome/browser/profiles/profile.h"

class PrefService;
class PrefRegistrySimple;

namespace ash {

class BrowserDelegate;
class NetworkConnectivityMetricsService;

// Maintains system-level services tied to a Kiosk session.
//
// Example services are accessibility, metrics and browser crash recovery.
class KioskSystemSession {
 public:
  KioskSystemSession(
      PrefService& local_state,
      Profile* profile,
      const KioskAppId& kiosk_app_id,
      const std::optional<webapps::AppId>& app_id = std::nullopt);
  KioskSystemSession(const KioskSystemSession&) = delete;
  KioskSystemSession& operator=(const KioskSystemSession&) = delete;
  ~KioskSystemSession();

  // Destroys ash observers.
  void ShuttingDown();

  void OnGuestAdded(content::WebContents* guest_web_contents);

  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);

  bool is_shutting_down() const;

  BrowserDelegate* GetSettingsBrowserForTesting();

  void SetOnHandleBrowserCallbackForTesting(
      base::RepeatingCallback<void(bool)> callback);

  KioskNetworkStateObserver& network_state_observer_for_testing() {
    return network_state_observer_;
  }

 private:
  void InitForChromeAppKiosk();
  void InitForWebKiosk(const webapps::AppId& app_id);
  void InitForIwaKiosk(const webapps::AppId& app_id);

  void InitCommon();

  // Initialize the Kiosk app update service. The external update will be
  // triggered if a USB stick is used.
  void InitKioskAppUpdateService(const std::string& app_id);

  // If the device is not enterprise managed, set prefs to reboot after update
  // and create a user security message which shows the user the application
  // name and author after some idle timeout.
  void SetRebootAfterUpdateIfNecessary();

  Profile* profile() const;

  const raw_ref<PrefService> local_state_;

  // Owned by `ProfileManager`.
  raw_ptr<Profile> profile_ = nullptr;

  chromeos::KioskBrowserSession browser_session_;

  const KioskAppId kiosk_app_id_;

  // Tracks network connectivity drops.
  // Init in ctor and destroyed while ShuttingDown.
  std::unique_ptr<NetworkConnectivityMetricsService> network_metrics_service_;

  const std::unique_ptr<PeriodicMetricsService> periodic_metrics_service_;

  // Tracks low disk notifications.
  LowDiskMetricsService low_disk_metrics_service_;

  // Observes network state and changes an active network scope..
  KioskNetworkStateObserver network_state_observer_;
};

}  // namespace ash

#endif  // CHROME_BROWSER_ASH_APP_MODE_KIOSK_SYSTEM_SESSION_H_