Shopping game

shopping_game.rb

$basket = []  
$money = 70

def money_check
  if $money < 0
    dead("Guard attacks! You spent more money than you had!")
  else  
    puts "Nice, still on budget!"
  end
end    

def prompt 
  print "> "
end

def dead(reason)
  puts "#{reason}  Better luck next time!"
    Process.exit(0)
end

def get_move
  prompt
  gets.chomp.downcase
end
    

def start
  puts "You are going Christmas shopping, but you waited until the last minute."
  puts "It's now Christmas eve, and you have to go to the mall to buy presents."
  puts "You only have $70."
  puts "You need to get a book, golf clubs, and socks."
  puts "You enter the mall."
  entry
end  

def entry  
    puts "You can either go left, right, or leave. Which way?"
  
  while true
    case get_move 
      when "left" then left_side
      when "right" then right_side
      when "leave" then exit  
      else puts ("What? Pick left or right, dude.")  
    end
  end  
end

def exit
  if $basket.length == 3
    puts "You successfully completed your holiday shopping!" 
    Process.exit(0)
  else
    dead("You left before buying everything! Your family will be PISSED!")
  end    
end  
  
def left_side()
  puts "You went to the left."
  puts "You can go up the escalator, keep walking ahead, or go back."
  puts "Which way do you want to go?"
  
  while true
    
    prompt; next_move = gets.chomp()
    
    if ["ahead", "keep"].include?(next_move) 
      department_stores()
    elsif next_move.include? "up" 
      upstairs()
    elsif next_move == "go back"
      start()
    else
      puts "What? Either keep walking ahead or go up the escalator."
    end
  end
end

def department_stores()
  puts "There are two department stores in front of you."
  puts "Do you want to go into WALMART or Nordstroms? You can also go back."
  
  while true
    
    prompt; next_move = gets.chomp()
    next_move = next_move.downcase
    
    if next_move.include? "walmart"
      dead("Massive horde at the blue light special! You're trampled to death.")
    elsif next_move.include? "nordstrom"
      nordstroms()
    elsif next_move == "go back"
      left_side()
    else 
      puts "What? I have no idea what store that is."
    end
  end
end

def nordstroms
  puts "You're now in Nordstroms. What do you want to buy?"
  
  while true
   case get_move
    when "book" then puts "They don't sell books at Nordstroms!"
    when "golf clubs" then puts "They don't sell golf clubs at Nordstroms!"
    when "socks" 
      if $basket.include?("socks") 
        puts "You already have socks!"
        nordstroms()
      else  
        puts "They have socks here, but they're $25!"
        puts "You decide to buy them anyway and keep shopping."
        puts "You go back into the hall."
        $basket.push("socks")
        $money = $money - 25
        puts "You now have these items: #{$basket} and $#{$money}"
        money_check
        puts
        department_stores()
      end  
   when "nothing" then
      puts "There's nothing here you want? Okay!"
      puts "You go back into the hall."
      department_stores()  
   else
      puts "They don't sell that at Nordstroms! That's not even on your list!"
      nordstroms()
    end  
  end
end
    
def upstairs
  puts "You can turn left, turn right, or go back."
  
  while true
    case get_move
      when "left" then upstairs_left
      when "right" then upstairs_right
      when "go back" then 
        puts "You go back down the escalator."
        left_side
      else 
       puts "You can only go back, go left, or go right. Which way?"
    end
  end          
end

def upstairs_left
  puts "There's a food court and a Starbucks. Which do you want to enter?"
  puts "You can also go back."
  
  while true
    case get_move
      when "starbucks" then starbucks
      when "food court" then food_court
      when "go back" then 
        puts "You turn away from the delicious noms."
        upstairs  
      else puts "You can't go there! Starbucks, food court, or go back?" 
    end
  end
end       

def starbucks
  puts "You're in the Starbucks."
  puts "Peppermint lattes are calling you!"
  puts "Do you drink or go back?"
  
  while true
    case get_move
      when "drink"
        puts "You fork out $4 for your peppermint latte, but it's delicious!"
        $money = $money - 4
        puts "You now have $#{$money}"
        money_check
        puts "You head out."
        puts
        upstairs_left
      when "go back"
        puts "You decide to save your wallet."
        puts "You head out."
        puts
        upstairs_left
      else puts "You can only drink or go back, dude."  
    end
  end
end

def food_court
  puts "You're starving and have to eat."
  puts "There's Panda Express, Chipotle, McDonalds, and Gyro World."
  puts "What do you want?"
  
  while true
    
    prompt; restaurant = gets.chomp.downcase
    
    if["panda express", "chipotle", "gyro world"].include?(restaurant)
      puts "OM NOM NOM, you can't resist. You buy food at #{restaurant} for $8 and scarf out."  
      $money = $money - 8
      puts "You now have $#{$money}."
      money_check
      puts "You head back, tummy full."
      puts
      upstairs_left
    elsif restaurant.include? ("mcdonalds")
      puts "You scarf down three cheeseburgers!"
      dead("You have a heart attack!")
    else 
      puts "They don't have #{restaurant} here! Pick something else!"  
    end
  end
end           
          
def upstairs_right
  puts "In front of you is the only bathroom in the mall, and a sports store."
  puts "Which one do you want to go to? You can also go back."
  
  while true
    case get_move
      when "bathroom" then bathroom
      when "sports store" then sports_store
      when "go back" then upstairs
      else puts "What?! Bathroom, sports store, or go back are your only options."
    end
  end
end

def bathroom
  dead("There are #{rand(99999999)} people in line! It's Christmas, after all. You die waiting.")
end          
 
def sports_store
  puts "You're in the sports store. What do you want to buy?"
  
  while true
    
    prompt; answer = gets.chomp.downcase
    
    if ["book", "puppy"].include?(answer) 
      puts "You can't get a #{answer} at the sports store!"
    elsif answer.include?("socks")
      puts "You can't buy socks at the sports store!"
    elsif answer.include?("golf clubs")
      if $basket.include?("golf clubs")
        puts "You already have golf clubs!"
        sports_store()
       else  
        puts "Great idea! Golf clubs!"    
        puts "You buy them for $50 and head back out."
        $basket.push("golf clubs")
        $money = $money - 50
        puts "You now have these items: #{$basket} and $#{$money}"
        money_check
        puts
        upstairs_right
      end  
    elsif answer.include?("nothing")
      puts "You decide to leave."
      puts
      upstairs_right
    else
      puts "What the heck is #{answer}?! That's not even on your list!"
      sports_store()
    end
  end
end                 
     
def right_side
  puts "In front of you is a bookstore. Want to go in, keep walking, or go back?"
  
  while true
    case get_move 
      when "go in" then bookstore
      when "keep walking" then right_continue
      when "go back" then entry 
      else puts ("What?! You can only go in, keep walking, or go back.")  
    end
  end  
end

def bookstore
  puts "You go into the bookstore, and you can't believe it!"
  puts "BOOKS, everywhere! Want to buy one?"
  
  while true
    case get_move
      when "yes"
        if $basket.include?("mystery novel")
          puts "You already bought a book!"
          bookstore()
        else  
          puts "Cool. You buy a mystery novel for $15."
          puts "You head back out to the hall."
          $basket.push("mystery novel")
          $money = $money - 15
          puts "You now have these items: #{$basket} and $#{$money}"
          money_check
          puts
          right_side
        end  
      when "no"
         puts "You head back out to the hall."
         puts
         right_side
      else 
        puts "What? Yes or no, man."
    end
  end
end 

def right_continue
  puts "In front of you is a sock store and a drug store."
  puts "Which one do you want to go in? You can also go back."
  
  while true
    case get_move
      when "sock store" then sock_store
      when "drug store" then drug_store
      when "go back" then right_side
      else puts ("What?! Dude. Sock store, drug store, or go back.")
    end
  end
end

def sock_store
  puts "OH SNAP! SO MANY SOCKS!"
  puts "Want to buy some?!"
  
  while true
    case get_move
      when "yes"
        if $basket.include?("socks")
          puts "You already bought socks!"
          sock_store()
        else  
          puts "You buy some frilly socks for $5."
          puts "You head back out into the hall."
          $basket.push("socks")
          $money = $money - 5
          puts "You now have these items: #{$basket} and $#{$money}"
          money_check
          puts
          right_continue
        end  
      when "no"    
        puts "You head back out into the hall."
        puts
        right_continue
      else puts ("HUH WHA? Yes or no!")
    end
  end
end

def drug_store
  puts "There's a lot of random stuff in here. What do you want to buy?"
  
  prompt; answer = gets.chomp
  
  puts "What?! #{answer}?! They don't sell that here. Do you want to leave?"
  
  while true
    case get_move
      when "yes"
        right_continue
      when "no"    
        drug_store
      else puts ("What?! Yes or no!")
    end
  end
end 
                                   
start()

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