snake/game/HighScoreManager.hxx

#pragma once

#ifndef SNAKE_HIGHSCOREMANAGER_HXX
#define SNAKE_HIGHSCOREMANAGER_HXX

#include "../NonCopyable.hxx"

#include <optional>
#include <string>
#include <vector>

struct Score final {
  std::string player_name_;
  unsigned points_;
};

struct HighScores final {
  std::vector<Score> scores_;
};

class HighScoreManager final : private NonCopyable {
public:
  static int constexpr MAX_SCORES = 10;

  void set_new_score(unsigned score);

  [[nodiscard]] bool has_new_score() const;

  [[nodiscard]] unsigned get_new_score() const;

  void provide_name_for_new_score(std::string const& name);

  static HighScoreManager& instance();

  [[nodiscard]] std::vector<Score> const& get_scores() const;

private:
  HighScoreManager();

  void load();

  void save() const;

  std::string data_dir_;

  HighScores high_score_;
  std::optional<unsigned> new_score_;
};

#endif // SNAKE_HIGHSCOREMANAGER_HXX