// ==========================================================================
// Choose a word, use it to create a playing board.
// A. Fischer, June 4, 2000                                   file: board.hpp
// Modified by M. Fischer, October 8, 2009
//===========================================================================
#pragma once
#include "words.hpp"
#define HANG_MAX 7
// ==========================================================================
class Board {
public:
    enum status {GOOD_GUESS, BAD_GUESS, NOT_IN_ALPHA, USED_ALREADY};
private:
    int errcnt;             // Wrong guesses so far,
    int found;              // Number of Letters correctly filled in.
    const Alphabet alpha;   // Masked alphabet.
    const Alphabet errors;  // Masked alphabet for error list.
    const HangWord puzzle;  // Masked mystery word.

protected:
    Board(const char* a, const char* puz);  // Alphabet and puzzle word.
    ~Board(){}
    status guess(char c);                   // process a guess
    bool gameWon() const { return found >= puzzle.length(); }
    bool gameLost() const { return errcnt >= HANG_MAX; }
    bool gameOver() const { return gameWon() || gameLost(); }
    const char* puzzleWord() const { return puzzle.word(); }
    ostream& print(ostream&) const;         // print a board
};

//===========================================================================
class Player: Board {
public:
    Player(const char* a, const char* puz) : Board(a, puz)  {}
    int play();                             // play a board
    void move();                            // user interaction for one move
};