/*
 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <AK/FileSystemPath.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <LibCore/StandardPaths.h>
#include <pwd.h>
#include <stdlib.h>
#include <unistd.h>

namespace Core {

String StandardPaths::home_directory()
{
    if (auto* home_env = getenv("HOME"))
        return canonicalized_path(home_env);

    auto* pwd = getpwuid(getuid());
    String path = pwd ? pwd->pw_dir : "/";
    endpwent();
    return canonicalized_path(path);
}

String StandardPaths::desktop_directory()
{
    StringBuilder builder;
    builder.append(home_directory());
    builder.append("/Desktop");
    return canonicalized_path(builder.to_string());
}

String StandardPaths::downloads_directory()
{
    StringBuilder builder;
    builder.append(home_directory());
    builder.append("/Downloads");
    return canonicalized_path(builder.to_string());
}

String StandardPaths::tempfile_directory()
{
    return "/tmp";
}

}