#ifndef YAZE_APP_EDITOR_EDITOR_MANAGER_H
#define YAZE_APP_EDITOR_EDITOR_MANAGER_H

#define IMGUI_DEFINE_MATH_OPERATORS

#include "app/editor/editor.h"
#include "app/editor/system/user_settings.h"
#include "app/editor/ui/workspace_manager.h"
#include "app/editor/session_types.h"

#include "imgui/imgui.h"

#include <cstddef>
#include <deque>
#include <memory>
#include <string>

#include "absl/status/status.h"
#include "core/project.h"
#include "app/editor/agent/agent_chat_history_popup.h"
#include "app/editor/code/project_file_editor.h"
#include "app/editor/system/editor_card_registry.h"
#include "app/editor/system/editor_registry.h"
#include "app/editor/system/menu_orchestrator.h"
#include "app/editor/system/popup_manager.h"
#include "app/editor/system/project_manager.h"
#include "app/editor/system/proposal_drawer.h"
#include "app/editor/system/rom_file_manager.h"
#include "app/editor/system/session_coordinator.h"
#include "app/editor/system/toast_manager.h"
#include "app/editor/system/window_delegate.h"
#include "app/editor/ui/editor_selection_dialog.h"
#include "app/editor/ui/layout_manager.h"
#include "app/editor/ui/menu_builder.h"
#include "app/editor/ui/ui_coordinator.h"
#include "app/editor/ui/welcome_screen.h"
#include "app/emu/emulator.h"
#include "zelda3/overworld/overworld.h"
#include "app/rom.h"
#include "yaze_config.h"

#ifdef YAZE_WITH_GRPC
#include "app/editor/agent/agent_editor.h"
#include "app/editor/agent/automation_bridge.h"

// Forward declarations for gRPC-dependent types
namespace yaze::agent {
class AgentControlServer;
}
#endif

namespace yaze {
namespace editor {

/**
 * @class EditorManager
 * @brief The EditorManager controls the main editor window and manages the
 * various editor classes.
 *
 * The EditorManager class contains instances of various editor classes such as
 * AssemblyEditor, DungeonEditor, GraphicsEditor, MusicEditor, OverworldEditor,
 * PaletteEditor, ScreenEditor, and SpriteEditor. The current_editor_ member
 * variable points to the currently active editor in the tab view.
 *
 */
class EditorManager {
 public:
  // Constructor and destructor must be defined in .cc file for std::unique_ptr with forward-declared types
  EditorManager();
  ~EditorManager();

  void Initialize(gfx::IRenderer* renderer, const std::string& filename = "");

  // Processes startup flags to open a specific editor and cards.
  void OpenEditorAndCardsFromFlags(const std::string& editor_name,
                                   const std::string& cards_str);
  absl::Status Update();
  void DrawMenuBar();

  auto emulator() -> emu::Emulator& { return emulator_; }
  auto quit() const { return quit_; }
  auto version() const { return version_; }

  MenuBuilder& menu_builder() { return menu_builder_; }
  WorkspaceManager* workspace_manager() { return &workspace_manager_; }

  absl::Status SetCurrentRom(Rom* rom);
  auto GetCurrentRom() const -> Rom* { return session_coordinator_ ? session_coordinator_->GetCurrentRom() : nullptr; }
  auto GetCurrentEditorSet() const -> EditorSet* { return session_coordinator_ ? session_coordinator_->GetCurrentEditorSet() : nullptr; }
  auto GetCurrentEditor() const -> Editor* { return current_editor_; }
  size_t GetCurrentSessionId() const { return session_coordinator_ ? session_coordinator_->GetActiveSessionIndex() : 0; }
  UICoordinator* ui_coordinator() { return ui_coordinator_.get(); }
  auto overworld() const -> yaze::zelda3::Overworld* {
    if (auto* editor_set = GetCurrentEditorSet()) {
        return &editor_set->overworld_editor_.overworld();
    }
    return nullptr;
  }

  // Session management helpers
  size_t GetCurrentSessionIndex() const;

  // Get current session's feature flags (falls back to global if no session)
  core::FeatureFlags::Flags* GetCurrentFeatureFlags() {
    size_t current_index = GetCurrentSessionIndex();
    if (current_index < sessions_.size()) {
      return &sessions_[current_index].feature_flags;
    }
    return &core::FeatureFlags::get();  // Fallback to global
  }

  void SetFontGlobalScale(float scale) {
    user_settings_.prefs().font_global_scale = scale;
    ImGui::GetIO().FontGlobalScale = scale;
    auto status = user_settings_.Save();
    if (!status.ok()) {
      LOG_WARN("EditorManager", "Failed to save user settings: %s",
               status.ToString().c_str());
    }
  }

  // Workspace management (delegates to WorkspaceManager)
  void RefreshWorkspacePresets() { workspace_manager_.RefreshPresets(); }
  void SaveWorkspacePreset(const std::string& name) {
    workspace_manager_.SaveWorkspacePreset(name);
  }
  void LoadWorkspacePreset(const std::string& name) {
    workspace_manager_.LoadWorkspacePreset(name);
  }

  // Jump-to functionality for cross-editor navigation
  void JumpToDungeonRoom(int room_id);
  void JumpToOverworldMap(int map_id);
  void SwitchToEditor(EditorType editor_type);

  // Card-based editor registry
  static bool IsCardBasedEditor(EditorType type);
  bool IsSidebarVisible() const {
    return ui_coordinator_ ? ui_coordinator_->IsCardSidebarVisible() : false;
  }
  void SetSidebarVisible(bool visible) {
    if (ui_coordinator_) {
      ui_coordinator_->SetCardSidebarVisible(visible);
    }
  }

  // Clean up cards when switching editors
  void HideCurrentEditorCards();

  // Session management
  void CreateNewSession();
  void DuplicateCurrentSession();
  void CloseCurrentSession();
  void RemoveSession(size_t index);
  void SwitchToSession(size_t index);
  size_t GetActiveSessionCount() const;

  // Workspace layout management
  // Window management - inline delegation (reduces EditorManager bloat)
  void SaveWorkspaceLayout() { window_delegate_.SaveWorkspaceLayout(); }
  void LoadWorkspaceLayout() { window_delegate_.LoadWorkspaceLayout(); }
  void ResetWorkspaceLayout() { window_delegate_.ResetWorkspaceLayout(); }
  void ShowAllWindows() {
    if (ui_coordinator_)
      ui_coordinator_->ShowAllWindows();
  }
  void HideAllWindows() {
    if (ui_coordinator_)
      ui_coordinator_->HideAllWindows();
  }

  // Layout presets (inline delegation)
  void LoadDeveloperLayout() { window_delegate_.LoadDeveloperLayout(); }
  void LoadDesignerLayout() { window_delegate_.LoadDesignerLayout(); }
  void LoadModderLayout() { window_delegate_.LoadModderLayout(); }

  // Helper methods
  std::string GenerateUniqueEditorTitle(EditorType type,
                                        size_t session_index) const;
  bool HasDuplicateSession(const std::string& filepath);
  void RenameSession(size_t index, const std::string& new_name);
  void Quit() { quit_ = true; }

  // UI visibility controls (public for MenuOrchestrator)
  // UI visibility controls - inline for performance (single-line wrappers delegating to UICoordinator)
  void ShowGlobalSearch() {
    if (ui_coordinator_)
      ui_coordinator_->ShowGlobalSearch();
  }
  void ShowCommandPalette() {
    if (ui_coordinator_)
      ui_coordinator_->ShowCommandPalette();
  }
  void ShowPerformanceDashboard() {
    if (ui_coordinator_)
      ui_coordinator_->SetPerformanceDashboardVisible(true);
  }
  void ShowImGuiDemo() {
    if (ui_coordinator_)
      ui_coordinator_->SetImGuiDemoVisible(true);
  }
  void ShowImGuiMetrics() {
    if (ui_coordinator_)
      ui_coordinator_->SetImGuiMetricsVisible(true);
  }
  void ShowHexEditor();
  void ShowEmulator() { if (ui_coordinator_) ui_coordinator_->SetEmulatorVisible(true); }
  void ShowMemoryEditor() { if (ui_coordinator_) ui_coordinator_->SetMemoryEditorVisible(true); }
  void ShowResourceLabelManager() { if (ui_coordinator_) ui_coordinator_->SetResourceLabelManagerVisible(true); }
  void ShowCardBrowser() {
    if (ui_coordinator_)
      ui_coordinator_->ShowCardBrowser();
  }
  void ShowWelcomeScreen() {
    if (ui_coordinator_)
      ui_coordinator_->SetWelcomeScreenVisible(true);
  }

#ifdef YAZE_ENABLE_TESTING
  void ShowTestDashboard() { show_test_dashboard_ = true; }
#endif

#ifdef YAZE_WITH_GRPC
  void ShowAIAgent();
  void ShowChatHistory();
  void ShowProposalDrawer() { proposal_drawer_.Show(); }
#endif

  // ROM and Project operations (public for MenuOrchestrator)
  absl::Status LoadRom();
  absl::Status SaveRom();
  absl::Status SaveRomAs(const std::string& filename);
  absl::Status OpenRomOrProject(const std::string& filename);
  absl::Status CreateNewProject(
      const std::string& template_name = "Basic ROM Hack");
  absl::Status OpenProject();
  absl::Status SaveProject();
  absl::Status SaveProjectAs();
  absl::Status ImportProject(const std::string& project_path);
  absl::Status RepairCurrentProject();

 private:
  absl::Status DrawRomSelector() = delete; // Moved to UICoordinator
  void DrawContextSensitiveCardControl();  // Card control for current editor

  absl::Status LoadAssets();

  // Testing system
  void InitializeTestSuites();

  bool quit_ = false;

  // Note: All show_* flags are being moved to UICoordinator
  // Access via ui_coordinator_->IsXxxVisible() or SetXxxVisible()
  
  // Workspace dialog flags (managed by EditorManager, not UI)
  bool show_workspace_layout = false;
  size_t session_to_rename_ = 0;
  char session_rename_buffer_[256] = {};

  // Note: Most UI visibility flags have been moved to UICoordinator
  // Access via ui_coordinator_->IsXxxVisible() or SetXxxVisible()

  // Agent proposal drawer
  ProposalDrawer proposal_drawer_;
  bool show_proposal_drawer_ = false;

#ifdef YAZE_WITH_GRPC
  AutomationBridge harness_telemetry_bridge_;
#endif

  // Agent chat history popup
  AgentChatHistoryPopup agent_chat_history_popup_;
  bool show_chat_history_popup_ = false;

  // Project file editor
  ProjectFileEditor project_file_editor_;

  // Note: Editor selection dialog and welcome screen are now managed by UICoordinator
  // Kept here for backward compatibility during transition
  EditorSelectionDialog editor_selection_dialog_;
  WelcomeScreen welcome_screen_;

#ifdef YAZE_WITH_GRPC
  // Agent editor - manages chat, collaboration, and network coordination
  AgentEditor agent_editor_;
  std::unique_ptr<yaze::agent::AgentControlServer> agent_control_server_;
#endif

  std::string version_ = "";
  absl::Status status_;
  emu::Emulator emulator_;

 public:

 private:
  std::deque<RomSession> sessions_;
  Editor* current_editor_ = nullptr;
  EditorSet blank_editor_set_{};
  // Tracks which session is currently active so delegators (menus, popups,
  // shortcuts) stay in sync without relying on per-editor context.

  gfx::IRenderer* renderer_ = nullptr;

  project::YazeProject current_project_;
  EditorDependencies::SharedClipboard shared_clipboard_;
  std::unique_ptr<PopupManager> popup_manager_;
  ToastManager toast_manager_;
  MenuBuilder menu_builder_;
  ShortcutManager shortcut_manager_;
  UserSettings user_settings_;

  // New delegated components (dependency injection architecture)
  EditorCardRegistry card_registry_;  // Card management with session awareness
  EditorRegistry editor_registry_;
  std::unique_ptr<MenuOrchestrator> menu_orchestrator_;
  ProjectManager project_manager_;
  RomFileManager rom_file_manager_;
  std::unique_ptr<UICoordinator> ui_coordinator_;
  WindowDelegate window_delegate_;
  std::unique_ptr<SessionCoordinator> session_coordinator_;
  std::unique_ptr<LayoutManager> layout_manager_;  // DockBuilder layout management
  WorkspaceManager workspace_manager_{&toast_manager_};

  float autosave_timer_ = 0.0f;

  // RAII helper for clean session context switching
  class SessionScope {
   public:
    SessionScope(EditorManager* manager, size_t session_id);
    ~SessionScope();

   private:
    EditorManager* manager_;
    Rom* prev_rom_;
    EditorSet* prev_editor_set_;
    size_t prev_session_id_;
  };

  void ConfigureEditorDependencies(EditorSet* editor_set, Rom* rom,
                                   size_t session_id);
};

}  // namespace editor
}  // namespace yaze

#endif  // YAZE_APP_EDITOR_EDITOR_MANAGER_H