/*
 * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it
 * and/or modify it under version 2 of the License, or (at your option), any later version.
 */

#include "Helpers.h"

char* strstri(char const* haystack, char const* needle)
{
    if (!*needle)
    {
        return (char*)haystack;
    }

    for (; *haystack; ++haystack)
    {
        if (tolower(*haystack) == tolower(*needle))
        {
            char const *h = haystack, *n = needle;
            for (; *h && *n; ++h, ++n)
            {
                if (tolower(*h) != tolower(*n))
                {
                    break;
                }
            }

            if (!*n)
            {
                return (char*)haystack;
            }
        }
    }

    return 0;
}

std::string& ltrim(std::string& s)
{
    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int c) { return !std::isspace(c); }));
    return s;
}

std::string& rtrim(std::string& s)
{
    s.erase(std::find_if(s.rbegin(), s.rend(), [](int c) { return !std::isspace(c); }).base(), s.end());
    return s;
}

std::string& trim(std::string& s) { return ltrim(rtrim(s)); }