rom_file_manager.h

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#ifndef YAZE_APP_EDITOR_SYSTEM_ROM_FILE_MANAGER_H_
#define YAZE_APP_EDITOR_SYSTEM_ROM_FILE_MANAGER_H_
 
#include <ctime>
#include <filesystem>
#include <string>
#include <vector>
 
#include "absl/status/status.h"
#include "rom/rom.h"
 
namespace yaze {
namespace editor {
 
class ToastManager;
 
class RomFileManager {
 public:
  explicit RomFileManager(ToastManager* toast_manager);
  ~RomFileManager() = default;
 
  // ROM file operations
  absl::Status LoadRom(Rom* rom, const std::string& filename);
  absl::Status SaveRom(Rom* rom);
  absl::Status SaveRomAs(Rom* rom, const std::string& filename);
  absl::Status OpenRomOrProject(Rom* rom, const std::string& filename);
  absl::Status CreateBackup(Rom* rom);
  absl::Status ValidateRom(Rom* rom);
 
  void SetBackupFolder(const std::string& folder) { backup_folder_ = folder; }
  void SetBackupBeforeSave(bool enabled) { backup_before_save_ = enabled; }
  void SetBackupRetentionCount(int count) { backup_retention_count_ = count; }
  void SetBackupKeepDaily(bool enabled) { backup_keep_daily_ = enabled; }
  void SetBackupKeepDailyDays(int days) { backup_keep_daily_days_ = days; }
 
  struct BackupEntry {
    std::string path;
    std::string filename;
    std::time_t timestamp = 0;
    uintmax_t size_bytes = 0;
  };
 
  std::vector<BackupEntry> ListBackups(
      const std::string& rom_filename) const;
  absl::Status PruneBackups(const std::string& rom_filename) const;
 
  // Utility helpers
  bool IsRomLoaded(Rom* rom) const;
  std::string GetRomFilename(Rom* rom) const;
 
 private:
  ToastManager* toast_manager_ = nullptr;
 
  absl::Status LoadRomFromFile(Rom* rom, const std::string& filename);
  std::string GenerateBackupFilename(
      const std::string& original_filename) const;
  std::filesystem::path GetBackupDirectory(
      const std::string& original_filename) const;
  bool IsValidRomFile(const std::string& filename) const;
 
  bool backup_before_save_ = true;
  std::string backup_folder_;
  int backup_retention_count_ = 20;
  bool backup_keep_daily_ = true;
  int backup_keep_daily_days_ = 14;
};
 
}  // namespace editor
}  // namespace yaze
 
#endif  // YAZE_APP_EDITOR_SYSTEM_ROM_FILE_MANAGER_H_