<?php

  define('DECK_TWO',      0);
  define('DECK_THREE',    1);
  define('DECK_FOUR',     2);
  define('DECK_FIVE',     3);
  define('DECK_SIX',      4);
  define('DECK_SEVEN',    5);
  define('DECK_EIGHT',    6);
  define('DECK_NINE',     7);
  define('DECK_TEN',      8);
  define('DECK_JACK',     9);
  define('DECK_QUEEN',   10);
  define('DECK_KING',    11);
  define('DECK_ACE',     12);

  define('DECK_SPADES',   0);
  define('DECK_DIAMONDS', 1);
  define('DECK_CLUBS',    2);
  define('DECK_HEARTS',   3);

  class deck
  {
    var $hand_size = 5;
    var $hand = array();
    var $deck = array();

    function deck(&$agi)
    {
      $this->agi =& $agi;
      $this->shuffle();
      if($this->hand_size) $this->deal();
    }

    function deal()
    {
      for($i = 0; $i < $this->hand_size; $i++)
        if($this->hand[$i] == '')
          $this->hand[$i] = $this->next_card();

      $this->agi->text2wav("Your hand is now: ");
      for($i = 0; $i < $this->hand_size; $i++)
        if($this->hand[$i] != '')
          $this->agi->text2wav($this->card_name($i));

    }

    function shuffle()
    {
      // initialize hand
      for($i = 0; $i < $this->hand_size; $i++) $this->hand[$i] = '';

      // create new deck
      $this->deck = array();
      for($i = 0; $i < 13; $i++)
        for($j = 0; $j < 4; $j++)
          $this->deck[] = array($i, $j);
      shuffle($this->deck);
    }

    function next_card()
    {
      $card = $this->deck[count($this->deck)-1];
      unset($this->deck[count($this->deck)-1]);
      return $card;
    }

    function card_name($card)
    {
      if(!is_array($card)) $card = $this->hand[$card];
      switch($card[0])
      {
        case DECK_JACK:     $ret = 'Jack of ';  break;
        case DECK_QUEEN:    $ret = 'Queen of '; break;
        case DECK_KING:     $ret = 'King of ';  break;
        case DECK_ACE:      $ret = 'Ace of ';   break;
        default:            $ret = ($card[0]+2) . ' of ';
      }
      switch($card[1])
      {
        case DECK_SPADES:   $ret .= 'spades';   break;
        case DECK_DIAMONDS: $ret .= 'diamonds'; break;
        case DECK_CLUBS:    $ret .= 'clubs';    break;
        case DECK_HEARTS:   $ret .= 'hearts';   break;
      }
      return $ret;
    }
  }
?>