#pragma once

#include "core/object/class_db.h"
#include "core/object/object.h"
#include "core/variant/callable.h"
#include "terrain_editor/register_types.h"

class EditHistory : public Object {
	GDCLASS(EditHistory, Object);
	static void _bind_methods();
	static EditHistory *singleton_instance;
	friend void initialize_terrain_editor_module(ModuleInitializationLevel p_level);
	struct EditAction {
		Callable do_action;
		Callable undo_action;
	};

public:
	static EditHistory *get_singleton() { return singleton_instance; }
	void push_action(Callable do_action, Callable undo_action);
	void undo();
	void redo();
	void clear_history();

private:
	size_t undo_count{ 0 };
	Vector<EditAction> history{};
};