#ifndef GAME_H
#define GAME_H

#include <array>

#include "String.h"
#include "Types.h"
#include "Vector.h"
#include "List.h"

class Game final {
public:

    enum FieldState {
        BLACK, WHITE, EMPTY
    };

    Game();
    void readLine();

private:
    bool parseLine(const String& command);
    
    void consumeLine() const;
    void readLine(uint y);
    void readFields();
    void printFields() const;

    bool isInRange(const Vector& v) const;
    char getChar(int x, int y) const;
    void toString(String& s) const;
    void lineToString(String& s, int y) const;
    
    bool areNeighbours(const Vector& from, const Vector& to) const;
    
    void removeLine(const Vector& from, const Vector& to, FieldState state);
    uint getRank(const Vector& from, const Vector& to, FieldState state) const;

    uint getStoneTakes(const Vector& from, const Vector& to) const;

    uint getStoneFreedom(const Vector& from) const;
    uint getFreedom(FieldState state) const;

    bool hasState(const Vector& v, FieldState state) const;
    FieldState getState(const Vector& v) const;
    void setState(const Vector& v, FieldState state);
    
    void move(const Vector& from, const Vector& to);
    
    void makeSelection();
    void makeMove();
    void takeStone();
    
    int getQuality(const Vector& from, const Vector& to) const;
    
    int countBlack() const;
    
    bool isTakingPossible() const;

    FieldState fields[9][5];
    Vector active;
    Vector direction;
    bool mustTake;
    
    List<Vector, 20> lastLocations;

    static std::array<Vector, 8> neighbours;
    static std::array<Vector, 9 * 5> fieldVectors;
};

#endif