gift_list.rb

def print_gift_list(array)
  # Array of hashes
  array.each_with_index do |item, i|
    # Item is a hash:
    # eg: { name: 'shoes', bought: true }
    if item[:bought] == true
      puts "#{i + 1}. [X] #{item[:name]}"
    else
      puts "#{i + 1}. [ ] #{item[:name]}"
    end
  end
end

interface.rb

# TODO: you can build your christmas list program here!

# STEP 1. MEMU
# 1. puts -> welcome message to the user
puts "Welcome to your 🎁 list"

# Initialize a variable for the loop to start
user_choice = ''

until user_choice == 'quit'
  # INSIDE THE LOOP, GIVE POSSIBILITY TO CHANGE user_choice (otherwise endless loop ☹️)
  # 2. puts -> ask the user which action he wants to do
  puts "Which action [list|add|delete|quit]?"

  # 3.  get the user choice and store (gets.chomp)
  user_choice = gets.chomp


  # 4. depending on user input display the right message
  if user_choice == 'list'
    puts "TODO: List later"
  elsif user_choice == 'add'
    puts "TODO: Add something later"
  elsif user_choice == 'delete'
    puts "TODO: Delete something later"
  elsif user_choice == 'quit'
    puts "Bye 👋"
  else
    puts "I don't understand"
  end

end
# comment: cmd + /


# NO LOOP YET

# Good luck 🤘🏻


# case user_choice
# when 1
#   puts "TODO: List later"
# when 2
#   puts "TODO: Add something later"
# when 3
#   puts "TODO: Delete something later"
# when 4
#   puts "Bye 👋"
# end

interface_2.rb

require_relative 'gift_list'

# TODO: you can build your christmas list program here!
# 1. create a new variable with gifts inside (Array for now)
gift_list = ['shoes', 'watch', 'phone']

puts "Welcome to your 🎁 list"

user_choice = ''

until user_choice == 'quit'

  puts "Which action [list|add|delete|quit]?"

  user_choice = gets.chomp

  # STEP 2: Build list feature
  if user_choice == 'list'
    puts "You list of gifts to buy:"
    # 2. print the list of gifts
    print_gift_list(gift_list)
  # STEP 3: Build add feature
  elsif user_choice == 'add'
    # 1. ask the user what they want to add
    puts "Type a new gift to add:"
    # 2a. get new gift as a string
    gift_added = gets.chomp
    # 2b. push the new gift in the array
    gift_list << gift_added
    # 3. show the list again (optional)
    print_gift_list(gift_list)
  elsif user_choice == 'delete'
    # STEP 4: Delete a gift feature
    # 1a. list all items
    print_gift_list(gift_list)
    # 1b. Ask the user what item to delete (ask for -> number)
    puts "Please provide the number of the gift to remove:"
    unwanted_item = gets.chomp.to_i - 1
    # 2. check if the number is valid (is this a gift in our list?)
    if unwanted_item >= gift_list.length
      puts "Sorry that doesn't match a gift"
    else
      # 3. if it exists
        # delete the corresponding gift from the array
      gift_list.delete_at(unwanted_item)
    end
  elsif user_choice == 'quit'
    puts "Bye 👋"
  else
    puts "I don't understand"
  end

end

interface_3.rb

require_relative 'gift_list'

# MARK AS DONE FEATURE
# - 1. [X] shoes
# - 2. [ ] laptop

# 1. Change the gift list to an Array of Hashes
gift_list = [
  { name: 'shoes', bought: true },
  { name: 'watch', bought: false },
  { name: 'phone', bought: false }
]

puts "Welcome to your 🎁 list"

user_choice = ''

until user_choice == 'quit'

  puts "Which action [list|add|delete|mark|quit]?"

  user_choice = gets.chomp

  if user_choice == 'list'
    puts "You list of gifts to buy:"
    print_gift_list(gift_list)
  elsif user_choice == 'add'

    puts "Type a new gift to add:"
    gift_added = gets.chomp # String
    gift_hash = { name: gift_added, bought: false }

    gift_list << gift_hash # String not a Hash :(
    print_gift_list(gift_list)

  elsif user_choice == 'delete'

    print_gift_list(gift_list)

    puts "Please provide the number of the gift to remove:"
    unwanted_item = gets.chomp.to_i - 1

    if unwanted_item >= gift_list.length
      puts "Sorry that doesn't match a gift"
    else
      gift_list.delete_at(unwanted_item)
    end
  # 1. Create a new option in the menu (new elsif)
  elsif user_choice == 'mark'
    # 2. In the option
    # display the list of gifts
    print_gift_list(gift_list)
    # ask the user which gift he/she's bought (ask for: number)
    puts "Which gift have you bought (number please):"
    marked_item = gets.chomp.to_i - 1
    # check if the number is valid
    if marked_item >= gift_list.length
      # if not display error message
      puts "Sorry that doesn't match a gift"
    else
      # if valid:
      # find the item at this index
      item = gift_list[marked_item]
      # switch the `bought` of the item to true
      item[:bought] = true
    end

  elsif user_choice == 'quit'
    puts "Bye 👋"
  else
    puts "I don't understand"
  end

end









# arr = ['a','b','c']

# arr[1] # 'b'
# arr[1] = 'z'

# city = {name: 'Paris', population: 200000 }

# city[:population] = 20000010