%module shenzhen
%{
    #include "board.hpp"
    #include "card.hpp"
    #include "goal.hpp"
%}

%include "std_array.i"
%include "std_string.i"

namespace solitaire {
enum class CardType : int { Zhong, Bai, Fa, Hua, Red, Green, Black };

auto isNormalCardType(CardType type) -> bool;

struct Card {
  CardType type;
  int value;
  auto toString() const noexcept -> std::string;
};

class Goal {
  std::array<std::optional<Card>, 3> goal{};
  auto getEmptyId() -> std::optional<int>;

public:
  auto getId(CardType suit) const noexcept -> std::optional<int>;
  auto get(CardType suit) const noexcept -> std::optional<int>;

  void set(CardType suit, int value) noexcept;
  void inc(CardType suit) noexcept;
};

struct BunkerField {
  std::optional<Card> card;
  bool empty{};
  bool closed{};
};

inline constexpr int MAX_ROW_SIZE = 13;
inline constexpr int MAX_COLUMN_SIZE = 8;

class Stack {
  std::array<std::optional<Card>, MAX_COLUMN_SIZE> values{};
};

struct Board {
  std::array<Stack, MAX_ROW_SIZE> field{};
  std::array<BunkerField, 3> bunker{};
  Goal goal{};
  bool flower_gone{};

   auto solved() const noexcept -> bool;
   auto hash() const noexcept -> std::size_t;
   auto correct() const noexcept -> bool;
};
}