Lumacs/include/lumacs/ui_interface.hpp

#pragma once

#include "lumacs/editor_core.hpp" // For EditorEvent and other core types

namespace lumacs {

// Forward declaration to avoid circular dependency
class EditorCore; 

/// @brief Abstract interface for a Lumacs editor UI frontend.
/// 
/// All editor UIs (ncurses, GTK, etc.) must implement this interface.
/// This decouples the core logic from the specific display technology.
class IEditorView {
public:
    virtual ~IEditorView() = default;

    /// @brief Initialize the UI system (e.g., ncurses init, GTK window setup).
    /// This should be called before run().
    virtual void init() = 0;

    /// @brief Run the main UI loop. 
    /// This method should block until the UI exits (e.g., gtk_main()).
    virtual void run() = 0;

    /// @brief Handle events emitted by the EditorCore.
    /// The EditorCore will notify the view of model changes (buffer modified, cursor moved).
    /// @param event The event type.
    virtual void handle_editor_event(EditorEvent event) = 0;

    /// @brief Set the EditorCore instance for the view to interact with.
    /// This is typically called once during setup.
    /// @param core Pointer to the core logic instance.
    virtual void set_core(EditorCore* core) = 0;
};

} // namespace lumacs