#include <random>
#include <chrono>

#include "src/Loader.hpp"
#include "src/Module.hpp"

extern "C" void lib_rand(grino::Loader& loader)
{
  grino::Loc loc {"core/rand"};
  auto mod = loader.add_module("rand");

  mod->loader()->add_native("randf", [loc](auto args){
    std::mt19937 r;

    r.seed(std::chrono::steady_clock::now().time_since_epoch().count());

    std::uniform_real_distribution<float> urd(0.0f, 1.0f);

    return grino::Value::make_float(loc, urd(r));
  });

  mod->loader()->add_native("range", [loc](auto args){
    std::mt19937 r;

    r.seed(std::chrono::steady_clock::now().time_since_epoch().count());
    int from = args[0]->as_int();
    int to = args[1]->as_int();

    std::uniform_int_distribution<int> dist(from, to);

    return grino::Value::make_int(loc, dist(r));
  });
}