////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2023 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////

#ifndef SFML_JOYSTICKIMPLFREEBSD_HPP
#define SFML_JOYSTICKIMPLFREEBSD_HPP

////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <dev/usb/usbhid.h>
#include <usbhid.h>
#include <vector>

namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief FreeBSD implementation of joysticks
///
/// This code has been tested on FreeBSD 9.1 only.
////////////////////////////////////////////////////////////
class JoystickImpl
{
public:

    ////////////////////////////////////////////////////////////
    /// \brief Perform the global initialization of the joystick module
    ///
    ////////////////////////////////////////////////////////////
    static void initialize();

    ////////////////////////////////////////////////////////////
    /// \brief Perform the global cleanup of the joystick module
    ///
    ////////////////////////////////////////////////////////////
    static void cleanup();

    ////////////////////////////////////////////////////////////
    /// \brief Check if a joystick is currently connected
    ///
    /// \param index Index of the joystick to check
    ///
    /// \return True if the joystick is connected, false otherwise
    ///
    ////////////////////////////////////////////////////////////
    static bool isConnected(unsigned int index);

    ////////////////////////////////////////////////////////////
    /// \brief Open the joystick
    ///
    /// \param index Index assigned to the joystick
    ///
    /// \return True on success, false on failure
    ///
    ////////////////////////////////////////////////////////////
    bool open(unsigned int index);

    ////////////////////////////////////////////////////////////
    /// \brief Close the joystick
    ///
    ////////////////////////////////////////////////////////////
    void close();

    ////////////////////////////////////////////////////////////
    /// \brief Get the joystick capabilities
    ///
    /// \return Joystick capabilities
    ///
    ////////////////////////////////////////////////////////////
    JoystickCaps getCapabilities() const;

    ////////////////////////////////////////////////////////////
    /// \brief Get the joystick identification
    ///
    /// \return Joystick identification
    ///
    ////////////////////////////////////////////////////////////
    Joystick::Identification getIdentification() const;

    ////////////////////////////////////////////////////////////
    /// \brief Update the joystick and get its new state
    ///
    /// \return Joystick state
    ///
    ////////////////////////////////////////////////////////////
    JoystickState update();

private:

    ////////////////////////////////////////////////////////////
    // Member data
    ////////////////////////////////////////////////////////////
    int                      m_file;           ///< File descriptor of the joystick
    report_desc_t            m_desc;           ///< USB report descriptor
    int                      m_id;             ///< USB id
    std::vector<char>        m_buffer;         ///< USB HID buffer
    int                      m_length;         ///< Buffer length
    Joystick::Identification m_identification; ///< Joystick identification
    JoystickState            m_state;          ///< Current state of the joystick
};

} // namespace priv

} // namespace sf


#endif // SFML_JOYSTICKIMPLFREEBSD_HPP