#include "game_state.h"

namespace Hanabi {

  void Game::make_turn()
  {
    ASSERT(next_action < actions.size());
    Card const next_draw = deck[deck.size() - state->draw_pile_size()];
    state->rotate_next_draw(next_draw);
    Action const & action = actions[next_action];
    std::uint8_t index;
    switch(action.type) {
      case Hanabi::ActionType::color_clue:
      case Hanabi::ActionType::rank_clue:
        state->give_clue();
        break;
      case Hanabi::ActionType::discard:
        index = state->find_card_in_hand(action.card);
        ASSERT(index != std::uint8_t(-1));
        state->discard(index);
        break;
      case Hanabi::ActionType::play:
        index = state->find_card_in_hand(action.card);
        ASSERT(index != std::uint8_t(-1));
        state->play(index);
        break;
      case Hanabi::ActionType::vote_terminate_players:
      case Hanabi::ActionType::vote_terminate:
      case Hanabi::ActionType::end_game:
        ;
    }
    ++next_action;
  }

  void Game::revert_turn()
  {
    state->revert();
  }

  void Game::forward_until(size_t turn, size_t draw_pile_break)
  {
    for (size_t i = 0; i < std::min(turn - 1, actions.size()); i++) {
      if (state->draw_pile_size() == draw_pile_break) {
        break;
      }
      make_turn();
    }
  }

  void Game::revert_until(size_t draw_pile_break)
  {
    while(state->draw_pile_size() < draw_pile_break) {
      revert_turn();
    }
    while(state->last_action_type() == ActionType::clue)
    {
      revert_turn();
    }
  }
}