#include "utils.h"

#include <algorithm>
#include <clocale>
#include <fmt/format.h>
#include <iomanip>
#include <numeric>

#include <iostream>

using namespace fmt;

std::string formatCentAsEuroString(const int cent, int width)
{
    /*std::stringstream currStream;

    try {
        std::locale myLocale("de_DE.utf8");
        currStream.imbue(myLocale);
        std::cout << ">>> " << fmt::format(myLocale, "{:6.2Lf}", 1.12345) << '\n';
        currStream << std::right << std::setw(width) << std::showbase
                   << std::put_money(cent, false);
    } catch (std::runtime_error &err) {
        currStream << std::fixed << std::setw(width >= 4 ? width - 4 : width)
                   << std::setprecision(2) << cent / 100.0L << " €";
    }

    return currStream.str();*/

#if defined(_WIN64) || defined(_WIN32)
    std::locale myLocale;
#else
    std::locale myLocale{"de_DE.utf8"};
#endif
    return fmt::format(myLocale, "{:{}.2Lf} €", cent / 100.0L, width);
}

std::string &ltrim(std::string &str, const std::string &chars)
{
    str.erase(0, str.find_first_not_of(chars));
    return str;
}

std::string &rtrim(std::string &str, const std::string &chars)
{
    str.erase(str.find_last_not_of(chars) + 1);
    return str;
}

std::string &trim(std::string &str, const std::string &chars)
{
    return ltrim(rtrim(str, chars), chars);
}

bool case_insensitive_match(std::string s1, std::string s2)
{
    // convert s1 and s2 into lower case strings
    transform(s1.begin(), s1.end(), s1.begin(), ::tolower);
    transform(s2.begin(), s2.end(), s2.begin(), ::tolower);
    if (s1.compare(s2) == 0)
        return true; // The strings are same
    return false;    // not matched
}

bool isNumber(const std::string &str)
{
    return !str.empty() && std::find_if(str.begin(), str.end(), [](unsigned char c) {
                               return !std::isdigit(c);
                           }) == str.end();
}