//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//

#include <uhd/config.hpp>
#include <uhd/exception.hpp>
#include <uhd/utils/paths.hpp>
#include <uhdlib/utils/paths.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/filesystem/operations.hpp>
#include <vector>
#include <iostream>

BOOST_AUTO_TEST_CASE(test_paths_expandvars) {
#ifdef UHD_PLATFORM_WIN32
    const std::string path_to_expand("\%programdata%/uhd/uhd.conf");
#else
    const std::string path_to_expand("$HOME/.uhd/uhd.conf");
#endif
    const std::string expanded_path = uhd::path_expandvars(path_to_expand);

    std::cout << "Expanded path: " << path_to_expand << " -> "
              << expanded_path << std::endl;
    BOOST_CHECK(path_to_expand != expanded_path);

#ifdef UHD_PLATFORM_WIN32
    const std::string var_identifier = "%";
#else
    const std::string var_identifier = "$";
#endif

    BOOST_CHECK(expanded_path.find(var_identifier) == std::string::npos);
}


BOOST_AUTO_TEST_CASE(test_get_paths) {
    using namespace uhd;

    const std::string tmp_path = get_tmp_path();
    const std::string app_path = get_app_path();
    const std::string pkg_path = get_pkg_path();
    const auto module_paths = get_module_paths();

    std::cout << "tmp_path: " << tmp_path << std::endl;
    std::cout << "app_path: " << app_path << std::endl;
    std::cout << "pkg_path: " << pkg_path << std::endl;
    for (const auto& module_path : module_paths) {
        std::cout << "module path: " << module_path << std::endl;
    }

    const std::string images_dir_search_path = "";
    const std::string images_dir = get_images_dir(images_dir_search_path);
    BOOST_REQUIRE_THROW(
        find_image_path("this_device_does_not_exist.bit", ""),
        uhd::io_error
    );

    const std::string utility_path = find_utility(
            "uhd_images_downloader"
    );
    std::cout << "utility_path: " << utility_path << std::endl;

    const std::string utility_error = print_utility_error(
            "uhd_images_downloader",
            "--help"
    );
    std::cout << "utility_error: " << tmp_path << std::endl;

}