/*
 * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation; either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "StringFormat.h"
#include "Define.h"
#include <locale>

template<class Str>
AC_COMMON_API Str Acore::String::Trim(const Str& s, const std::locale& loc /*= std::locale()*/)
{
    typename Str::const_iterator first = s.begin();
    typename Str::const_iterator end = s.end();

    while (first != end && std::isspace(*first, loc))
    {
        ++first;
    }

    if (first == end)
    {
        return Str();
    }

    typename Str::const_iterator last = end;

    do
    {
        --last;
    } while (std::isspace(*last, loc));

    if (first != s.begin() || last + 1 != end)
    {
        return Str(first, last + 1);
    }

    return s;
}

std::string Acore::String::TrimRightInPlace(std::string& str)
{
    int pos = int(str.size()) - 1;

    while (pos >= 0 && std::isspace(str[pos]))
    {
        --pos;
    }

    str.resize(static_cast<std::basic_string<char, std::char_traits<char>, std::allocator<char>>::size_type>(pos) + 1);

    return str;
}

/**
 * @brief Util function to add a suffix char. Can be used to add a slash at the end of a path
 *
 * @param str String where to apply the suffix
 * @param suffix Character to add at the end of the str
 * @return std::string Suffixed string
 */
std::string Acore::String::AddSuffixIfNotExists(std::string str, const char suffix) {
    if (str.empty() || (str.at(str.length() - 1) != suffix))
        str.push_back(suffix);

    return str;
}

// Template Trim
template AC_COMMON_API std::string Acore::String::Trim<std::string>(const std::string& s, const std::locale& loc /*= std::locale()*/);