#pragma once

#include <iostream>
#include <random>

namespace ofxVariableLab {

/// \brief create pseudo-random id
static std::string random_id(std::size_t len = 24){
    static const std::string_view hex_chars = "0123456789abcdef";
    using Generator = std::mt19937;

    Generator gen{std::random_device{}()};

    std::string uuid;
    uuid.reserve(len);

    while(uuid.size() < len){
        auto n = gen();
        for(auto i = Generator::max(); i & 0x8 && uuid.size() < len; i >>= 4){
            uuid += hex_chars[n & 0xf];
            n >>= 4;
        }
    }

    return uuid;
}

}