#include "scoring/yakus/ippatsu.h"

#include <vector>

#include "analysis/handnode.h"

#include "scoring/yakus.h"

#include "scoring/yakus/doubleriichi.h"

#include "scoring/yakus/riichi.h"

#include "types/gamestate.h"

#include "types/yaku.h"

namespace mahjong::yaku {

bool isIppatsu(const GameState& state, int player,

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

  return (isRiichi(state, player) || isDoubleRiichi(state, player)) &&

         (state.turnNum - state.hands.at(player).riichiRound <= 4 &&

          state.lastCall < state.hands.at(player).riichiRound);

}

REGISTER_YAKU({

    .id = "Ippastsu",

    .name = "Ippastsu",

    .type = Yaku::kClosed,

    .value = 1,

    .is_yaku_func = yaku::isIppatsu,

});

}  // namespace mahjong::yaku