#include <functional>
#include <iostream>
#include <rice/rice.hpp>
#include <vector>

#include "Generate.h"
#include "PuzzlesetEasy.h"
#include "PuzzlesetHard.h"
#include "PuzzlesetMedium.h"
#include "Random.h"

Rice::Object wittle_generator_generate_easy(Rice::Object /* self */) {
  const std::vector<std::function<void(Generate&)>>& generator_fns =
      GetEasyPuzzles();

  Generate generator;

  int choice = Random::rand() % generator_fns.size();
  std::cout << "Generate EASY: choice " << std::dec << choice << std::endl;

  generator_fns.at(choice)(generator);

  Rice::String str(generator.AsCode());
  return str;
}

Rice::Object wittle_generator_generate_medium(Rice::Object /* self */) {
  const std::vector<std::function<void(Generate&)>>& generator_fns =
      GetMediumPuzzles();

  Generate generator;

  int choice = Random::rand() % generator_fns.size();
  std::cout << "Generate MEDIUM: choice " << std::dec << choice << std::endl;

  generator_fns.at(choice)(generator);

  Rice::String str(generator.AsCode());
  return str;
}

Rice::Object wittle_generator_generate_expert(Rice::Object /* self */) {
  const std::vector<std::function<void(Generate&)>>& generator_fns =
      GetHardPuzzles();

  Generate generator;

  int choice = Random::rand() % generator_fns.size();
  std::cout << "Generate EXPERT: choice " << std::dec << choice << std::endl;

  generator_fns.at(choice)(generator);

  Rice::String str(generator.AsCode());
  return str;
}

extern "C" void Init_wittle_generator() {
  Rice::Class rb_cWittleGenerator =
      Rice::define_class("WittleGenerator")
          .define_method("generate_easy", &wittle_generator_generate_easy)
          .define_method("generate_medium", &wittle_generator_generate_medium)
          .define_method("generate_expert", &wittle_generator_generate_expert);
}