gistfile1.rb

class Hand
  require_relative 'deck'

  def initialize
  end

  def new
  end

  def deal
    deck = Deck.new
    hand = deck.deal 2
    flop = deck.deal 3
    turn = deck.deal 1
    river = deck.deal 1
    @full_hand = hand + flop + turn + river
    puts "HOLE CARDS: #{display(hand)}."
    puts "FLOP: #{display(flop)}."
    puts "TURN: #{display(turn)}."
    puts "RIVER: #{display(river)}."
    puts "FULL HAND: #{display(@full_hand)}"
    puts flush?
  end

  private

  def flush?
    suits = @full_hand.map{|card| card[:suit]}
    counts = suits.each_with_object(Hash.new(0)) {|suit, counts| counts[suit] += 1}
    flush = counts.select {|k,v| v >= 5}
    extract_flush(flush.keys.first) if flush.length > 0
  end

  def extract_flush(winning_suit)
    hand = @full_hand.select {|card| card[:suit] == winning_suit}.sort_by {|card| card[:rank]}[-5..-1]
    puts "You hit a flush!"
    puts display(hand)
  end

  def display(hand)
    hand.map {|card| card[:display]}.join(" ")
  end

end