#ifndef HASHER_HH
#define HASHER_HH

#include <filesystem>
#include <functional>
#include <memory>

class Logger;
class TaskRunner;

class Hasher {
public:
  virtual ~Hasher() = default;

  static std::unique_ptr<Hasher> create(std::shared_ptr<Logger> logger,
                                        std::shared_ptr<TaskRunner> runner,
                                        size_t threads = 1);

  virtual void hash(std::filesystem::path path,
                    std::function<void(std::string,
                                       uint64_t)> callback) = 0;

protected:
  Hasher() = default;
  Hasher(Hasher const&) = delete;
  Hasher& operator=(Hasher const&) = delete;
};

#endif  // HASHER_HH