#include "slugify.hpp"

#include <memory>

#include <string>

#include <userver/formats/json/value.hpp>

#include "errors.hpp"

#include "fmt/core.h"

#include "unicode/translit.h"

namespace real_medium::utils::slug {

std::string Slugify(const std::string& str) {

UErrorCode status{U_ZERO_ERROR};

UParseError parse_error{};

const auto transliterator = std::unique_ptr<icu::Transliterator>{icu::Transliterator::createFromRules(

"Slugify",

":: Any-Latin;"

":: [:Nonspacing Mark:] Remove;"

":: [:Punctuation:] Remove;"

":: [:Symbol:] Remove;"

":: Latin-ASCII;"

":: Lower();"

"' ' {' '} > ;"

"::NULL;"

"[:Separator:] > '-'",

UTRANS_FORWARD,

parse_error,

status

)};

if (status != U_ZERO_ERROR) {

throw std::runtime_error(fmt::format("icu::Transliterator::createFromRules failed with status {}", static_cast<int32_t>(status)));

}

auto unicode_str = icu::UnicodeString::fromUTF8(str);

transliterator->transliterate(unicode_str);

std::string slug;

return unicode_str.toUTF8String(slug);

}

} // namespace real_medium::utils::slug