svmartin
5/18/2016 - 2:39 PM

rpsls_repe.rb

# frozen_string_literal: true
ABBREVIATIONS = {
  'r' => 'rock',
  'p' => 'paper',
  's' => 'scissors',
  'l' => 'lizard',
  'v' => 'spock'
}.freeze

abb_values = ABBREVIATIONS.values

WINNING_COMBOS = {
  'rock' => %w(scissors lizard),
  'paper' => %w(rock spock),
  'scissors' => %w(paper lizard),
  'lizard' => %w(paper spock),
  'spock' => %w(rock scissors)
}.freeze

def prompt(message)
  puts("=> #{message}")
end

def win?(first_player, second_player)
  WINNING_COMBOS[first_player].include?(second_player)
end

def display_results(player, computer)
  if win?(player, computer)
    prompt('You won!')
  elsif win?(computer, player)
    prompt("Computer won!")
  else
    prompt("It's a tie.")
  end
end

def play_again?
  loop do
    answer = gets.chomp
    if answer.casecmp('y') == 0
      break
    elsif answer.casecmp('n') == 0
      exit
    else
      prompt("We didn't recognize that. Please enter 'y' or 'n'.")
    end
  end
end

loop do
  player_points = 0
  computer_points = 0
  prompt("Remember, the first to get 5 points, wins!")
  loop do
    player_choice = ''

    loop do
      prompt <<~CHOOSE
        Please enter
        r for rock
        p for paper
        s for scissors
        l for lizard
        v for spock.
      CHOOSE

      prompt(">>> ")
      player_choice = gets.chomp
      player_choice = ABBREVIATIONS[player_choice]
      if abb_values.include?(player_choice)
        break
      else
        prompt("That's not a valid choice.")
      end
    end

    computer_choice = abb_values.sample

    prompt <<~CHOSE
      "You chose: #{player_choice} and
      the computer chose: #{computer_choice}")
    CHOSE

    display_results(player_choice, computer_choice)

    if win?(player_choice, computer_choice)
      player_points += 1
    elsif win?(computer_choice, player_choice)
      computer_points += 1
    else
      player_points += 0
      computer_points += 0
    end

    prompt("+++++++++++")
    prompt("Player has #{player_points}. Computer has #{computer_points}.")
    prompt("The first to get 5 points wins!")
    prompt("+++++++++++")

    break if player_points == 5 || computer_points == 5
  end

  prompt("Do you want to play again?")
  play_again?
end