//
// Copyright 2015 National Instruments Corp.
//
// SPDX-License-Identifier: GPL-3.0-or-later
//

#include <uhd/build_info.hpp>
#include <config.h>
#include <boost/algorithm/string.hpp>
#include <boost/format.hpp>
#include <boost/version.hpp>

#ifdef ENABLE_USB
#    include <libusb.h>
#endif

namespace uhd { namespace build_info {

const std::string boost_version()
{
    return boost::algorithm::replace_all_copy(std::string(BOOST_LIB_VERSION), "_", ".");
}

const std::string build_date()
{
    return "@UHD_BUILD_DATE@";
}

const std::string c_compiler()
{
    return "@UHD_C_COMPILER@";
}

const std::string cxx_compiler()
{
    return "@UHD_CXX_COMPILER@";
}

#ifdef _MSC_VER
static const std::string define_flag = "/D ";
#else
static const std::string define_flag = "-D";
#endif

const std::string c_flags()
{
    return boost::algorithm::replace_all_copy(
        (define_flag + std::string("@UHD_C_FLAGS@")),
        std::string(";"),
        (" " + define_flag));
}

const std::string cxx_flags()
{
    return boost::algorithm::replace_all_copy(
        (define_flag + std::string("@UHD_CXX_FLAGS@")),
        std::string(";"),
        (" " + define_flag));
}

const std::string enabled_components()
{
    return boost::algorithm::replace_all_copy(
        std::string("@_uhd_enabled_components@"), std::string(";"), std::string(", "));
}

const std::string install_prefix()
{
    return "@CMAKE_INSTALL_PREFIX@";
}

const std::string libusb_version()
{
#ifdef ENABLE_USB
/*
 * Versions can only be queried from 1.0.13 onward.
 * Depending on if the commit came from libusbx or
 * libusb (now merged), the define might be different.
 */
#    ifdef LIBUSB_API_VERSION /* 1.0.18 onward */
    int major_version = LIBUSB_API_VERSION >> 24;
    int minor_version = (LIBUSB_API_VERSION & 0xFF0000) >> 16;
    int micro_version = ((LIBUSB_API_VERSION & 0xFFFF) - 0x100) + 18;

    return str(boost::format("%d.%d.%d") % major_version % minor_version % micro_version);
#    elif defined(LIBUSBX_API_VERSION) /* 1.0.13 - 1.0.17 */
    switch (LIBUSBX_API_VERSION & 0xFF) {
        case 0x00:
            return "1.0.13";
        case 0x01:
            return "1.0.15";
        case 0xFF:
            return "1.0.14";
        default:
            return "1.0.16 or 1.0.17";
    }
#    else
    return "< 1.0.13";
#    endif
#else
    return "N/A";
#endif
}
}} // namespace uhd::build_info