horses.rb

# USER STORIES
# - see a list of horses
# - place a bet
# - see the winning horse


# pseudo-code
# - initialize user waller with 100€
# - show user wallet
# - show/display a list of horses => [array]
# - as the user to pick a horse
# - store user choice
# (validate user choice)
# - place a bet
# select a random winner => shuffle // sample
# show winner to user (win or loose)
# if user won: wallet + 50
# if lost: - 10
# if wallet is 0 or less GAME OVER
# ask if user wants to continue

# user starts with 100€
# if he wins he gets 50€
# if he looses he loses 10€

require 'pry-byebug'

HORSES = [
  "Paul", # 0
  "Jack",
  "Clover",
  "Jumpy",
  "Michael Bolton", # 4
  "Jack Sparrow"
]

def welcome(message)
  puts "#################################"
  puts "###                           ###"
  puts "###        H O R S E S        ###"
  puts "###                           ###"
  puts "#################################"
  puts "\n"
  puts "#{message}"
end

def show_horses
  puts "There are the horses for this race."
  puts "Please pick a horse:"
  HORSES.each_with_index do |horse, index|
    puts "#{index + 1} - #{horse}"
  end
  gets.chomp.to_i - 1
end

# checking if user horse matches winning horse
# def race_outcome(user_choice, winning_horse)
#   # winning_horse == user_choice ? puts "Congratulations! You won!" : puts "Sorry, you lost. Game over!"
#   if winning_horse == user_choice
#     puts "Congratulations! You won!"
#   else
#     puts "Sorry, you lost. Game over!"
#   end
# end
def did_user_win?(user_choice, winning_horse)
  winning_horse == user_choice
end

def race
  puts "#{HORSES.sample} is in the lead..."
  sleep(1)
  puts "#{HORSES.sample} is in the lead..."
  sleep(1)
  puts "#{HORSES.sample} is in the lead..."
  sleep(1)
end

# Game starts
balance = 100
welcome("Welcome to the race track!")
loop do
  horse_index = show_horses
  # get user choise and convert to an index (integer)

  until (0...HORSES.length).include?(horse_index)
    puts "Please pick a valid horse: (1 to #{HORSES.length})"
    horse_index = gets.chomp.to_i - 1
  end

  puts "You picked: #{HORSES[horse_index]}"

  race
  winner = HORSES.sample
  puts "#{winner} won the race!!!"
  #               user_choice    winning_horse
  # =>              "Clover"         "Jumpy"
  if did_user_win?(HORSES[horse_index], winner)
    puts "Congratulations! You won!"
    balance += 50
    print "You won 50€."
  else
    puts "Sorry, you lost. Game over!"
    balance += -10
    print "You lost 10€."
  end
  puts "You now have #{balance}€"
  break if balance <= 0
  puts "Do you want to race again? [y][n]"
  choice = gets.chomp
  break unless choice == "y" || choice == "yes"
end