interface.rb

# Puts a welcome message
puts 'WELCOME TO THE SUPERSTORE!'

# Define a sum of 0 euro
sum = 0

# Define a hash (of shopping items)
  # with keys as STRINGS and values as floats

items = {
  'kiwi' => 1.25,
  'bacalhau' => 9.0,
  'laranja' => 0.6,
  'cafe' => 0.55,
}

# puts each key and its value (hash.each)
items.each do |key, value|
  puts "#{key}: $#{value}"
end

# LOOP START
user_choice = nil
until user_choice == 'quit'
  # Ask user for item to add
  puts "Please add an item (or 'quit' to checkout)"

  # gets.chomp the user choice (store in a variable)
  user_choice = gets.chomp
  break if user_choice == 'quit'

  # check if user choice exists in hash
  if items.key?(user_choice)
    sum = sum + items[user_choice]
    puts "New balance: #{sum}"
  else
    puts "sorry we dont have #{user_choice}"
  end
end

puts "Thank you! Your balance is #{sum}"

# if choice exists - Add value of choice to sum
# if choice doesnt exist - puts "sorry we dont have #{user_choice}"
# if choice is "quit" - END LOOP - Print the total bill


# ------------------ Horses! ---------------------------



# RULES: All code should go in a method
# RULES: Always indent!

# Array with the horse names
# Get user's choice [index]
# puts the horse names with their index
# Generate random horse index for winner
# Compare user choice to winner index
# Puts out winner name
# Puts out user result (if user won or not)

def play
  horses = [
    "Seabiscuit",
    "Cisco",
    "Stewbal",
    "Spear of the Conqueror",
    "Vlad the horse impaler",
  ]

  horses.each_with_index do |horse, index|
    puts "#{index + 1} - #{horse}"
  end

  puts "Which horse do you pick?"
  user_choice = gets.chomp.to_i - 1

  winner = rand(0..horses.size)

  if user_choice == winner
    puts "You WIIIIIIIIN GOOOOOOOAAAAAL!, #{horses[winner]} was the winner!"
  else
    puts "You Lose! #{horses[winner]} was the winner"
  end
end

play


# ------------------ Calculator! ---------------------------



require_relative "calculator"

# PSUDO CODE
# Use some sort of while or until loop
# Define a condition for the loop
# Put everything inside the loop
# Ask the user if they want to leave in each loop
  # Change condition of loop if ^ yes
# Print goodbye message if they leave

def interface
  continue_input = 'y'
  while continue_input == 'y'
    puts "Enter first number > "
    first_number = gets.chomp.to_i
    puts "Enter first number > "
    second_number = gets.chomp.to_i
    puts "Choose operation [+][-][*][/] > "
    user_operation = gets.chomp

    result = calculate(first_number, second_number, user_operation)
    puts "Result: #{result}"

    while continue_input == 'y' || continue_input == 'n'
      puts "Continue? y/n >"
      continue_input = gets.chomp
    end
  end
end

interface