#include "scoring/yakus/threekans.h"

#include <vector>

#include "analysis/handnode.h"

#include "scoring/yakus.h"

#include "types/gamestate.h"

#include "types/sets.h"

#include "types/yaku.h"

namespace mahjong::yaku {

bool isThreeKans(const GameState& state, int player,

                 const std::vector<const mahjong::Node*>& /*branch*/) {

  int kans = 0;

  for (const auto& meld : state.hands.at(player).melds) {

    if (meld.type >= SetType::kKan) {

      kans++;

    }

  }

  return kans >= 3;

}

REGISTER_YAKU({

    .id = "threekans",

    .name = "Three Kans",

    .type = Yaku::kOpen,

    .value = 2,

    .is_yaku_func = yaku::isThreeKans,

});

}  // namespace mahjong::yaku