// Copyright 2025 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_GLIC_BROWSER_UI_GLIC_ACTOR_NUDGE_CONTROLLER_H_
#define CHROME_BROWSER_GLIC_BROWSER_UI_GLIC_ACTOR_NUDGE_CONTROLLER_H_

#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/actor/ui/states/actor_task_nudge_state.h"
#include "ui/base/unowned_user_data/scoped_unowned_user_data.h"

class Profile;
class BrowserWindowInterface;

namespace glic {

class GlicSplitButtonController;
class GlicSplitButtonDelegate;

// Controller that handles Glic Actor notification/nudge handling.
// TODO(crbug.com/431015299): Move GlicNudgeController logic into this
// controller in order to coordinate nudge behavior between Glic and Glic Actor.
class GlicActorNudgeController {
 public:
  explicit GlicActorNudgeController(
      BrowserWindowInterface* browser,
      GlicSplitButtonController* split_button_controller);

  GlicActorNudgeController(const GlicActorNudgeController&) = delete;
  GlicActorNudgeController& operator=(const GlicActorNudgeController& other) =
      delete;
  virtual ~GlicActorNudgeController();

  DECLARE_USER_DATA(GlicActorNudgeController);
  static GlicActorNudgeController* From(BrowserWindowInterface* browser);

  // TODO(crbug.com/511309088): Remove these and have the split button
  // controller keep the delegates.
  void SetHorizontalTabsDelegate(GlicSplitButtonDelegate* delegate);
  void SetVerticalTabsDelegate(GlicSplitButtonDelegate* delegate);

  base::WeakPtr<GlicActorNudgeController> GetWeakPtr();

  // Update the nudge for the given state. Will also conditionally show the
  // bubble on UI update based on `show_bubble`.
  void OnStateUpdate(bool show_bubble,
                     actor::ui::ActorTaskNudgeState actor_task_nudge_state);

  // Get the current actor nudge state and update the UI. Called when
  // TabStripActionContainer is added to the native widget.
  void UpdateCurrentActorNudgeState();

 protected:
  virtual void ShowGlicActorTaskIcon();
  virtual void HideGlicActorTaskIcon();
  virtual void SetGlicActorNudgeLabel(const std::u16string& nudge_label);
  virtual void TriggerGlicActorNudge(const std::u16string& nudge_text);
  virtual void ShowBubble();
  virtual void CloseBubble();
  virtual bool IsShowingNudge();
  virtual void OnBubbleVisibilityChange(bool is_bubble_open);

 private:
  // Subscribe to updates from the GlicActorTaskIconManager.
  void RegisterActorNudgeStateCallback();

  // Only update the nudge label if it's already showing, otherwise retrigger
  // the nudge. Shows the task list bubble after if show_bubble is true.
  void UpdateNudgeLabelOrRetrigger(std::u16string nudge_label_text,
                                   bool show_bubble);

  void CallOnBoth(base::RepeatingCallback<void(GlicSplitButtonDelegate&)> fn);

  raw_ptr<Profile> profile_;
  raw_ptr<BrowserWindowInterface> browser_;
  raw_ptr<GlicSplitButtonController> split_button_controller_;

  std::vector<base::CallbackListSubscription>
      actor_nudge_state_change_callback_subscription_;
  std::vector<base::CallbackListSubscription>
      bubble_visibility_change_subscription_;

  ::ui::ScopedUnownedUserData<GlicActorNudgeController> scoped_data_holder_;

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

}  // namespace glic

#endif  // CHROME_BROWSER_GLIC_BROWSER_UI_GLIC_ACTOR_NUDGE_CONTROLLER_H_