project_saver.h

// SPDX-FileCopyrightText: © 2025 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include "utils/progress_info.h"
#include "utils/version.h"
 
#include <QFuture>
 
namespace zrythm::structure::project
{
class Project;
 
class ProjectSaver
{
public:
  ProjectSaver (const Project &project, utils::Version app_version);

  [[nodiscard]] QFuture<utils::Utf8String>
  save (const fs::path &path, bool is_backup);

  static int autosave_cb (void * data);

  static void make_project_dirs (const fs::path &project_directory);

  static void compress_or_decompress (
    bool              compress,
    char **           _dest,
    size_t *          _dest_size,
    const QByteArray &src);
 
  static void
  compress (char ** _dest, size_t * _dest_size, const QByteArray &src)
  {
    compress_or_decompress (true, _dest, _dest_size, src);
  }
 
  static void
  decompress (char ** _dest, size_t * _dest_size, const QByteArray &src)
  {
    compress_or_decompress (false, _dest, _dest_size, src);
  }

  static std::string
  get_existing_uncompressed_text (const fs::path &project_dir);
 
  bool has_unsaved_changes () const;
 
private:
  void set_and_create_next_available_backup_dir ();

  void cleanup_plugin_state_dirs (
    const Project  &main_project,
    const fs::path &project_dir,
    bool            is_backup);
 
private:
  const Project &project_;
  // std::optional<gui::actions::UndoableActionPtrVariant>
  // last_action_in_last_successful_autosave_;

  SteadyTimePoint last_successful_autosave_time_;

  // std::optional<gui::actions::UndoableActionPtrVariant> last_saved_action_;

  std::binary_semaphore save_sem_{ 1 };
 
  utils::Version app_version_;
};
}