// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md

#pragma once

#include <memory>
#include <string>

namespace purefs::fs::internal
{
    class mount_point;
    // File handle used for internal operation
    class file_handle
    {
      public:
        file_handle(const file_handle &) = delete;
        auto operator=(const file_handle &) = delete;
        virtual ~file_handle()              = default;
        file_handle(std::shared_ptr<mount_point> mp, unsigned flags) : m_mount_point(mp), m_flags(flags)
        {}
        [[nodiscard]] auto error() const noexcept
        {
            return m_error;
        }
        auto error(int error) noexcept -> void
        {
            m_error = error;
        }
        [[nodiscard]] auto flags() const noexcept
        {
            return m_flags;
        }
        [[nodiscard]] auto mntpoint() const noexcept
        {
            return m_mount_point.lock();
        }
        [[nodiscard]] virtual auto open_path() const noexcept -> std::string
        {
            return {};
        }

      private:
        const std::weak_ptr<mount_point> m_mount_point;
        int m_error{};
        const unsigned m_flags{};
    };
} // namespace purefs::fs::internal