Rand_Menu

randmenu.rb

@@ -0,0 +1,106 @@
+@fav_food = ['cake', 'sushi', 'salmon', 'pizza', 'chicken', 'pasta', 'potatoes', 'enjara', 'tacos', 'strawberries']
+@texture  = ['slimy', 'thin', 'hairy', 'smothered', 'fried', 'aged', 'glazed', 'gushy', 'prickly', 'oozying']
+@style    = ['sliced', 'pickled', 'stacked', 'thick-cut', 'dry-aged', 'fermented', 'boiled', 'wrapped', 'bunless', 'deep-fried']
+@NUMBER_OF_ATTEMPTS = 3
+
+puts "\nWelcome user! Please enter a choice from the following menu...\n\n"
+
+def user_menu()
+  puts "Enter A - let us guess your favorite food. "
+  puts "Enter B - enter your own favorite foods. \n\n"
+
+  print "Your menu choice: "
+  selection = gets.chomp.upcase
+  counter = 0
+  while selection != 'A' && selection != 'B'
+    counter+=1
+    print "Please enter a valid menu choice!"
+    selection = gets.chomp
+    puts "You have #{@NUMBER_OF_ATTEMPTS-counter+1}"
+    if counter >= @NUMBER_OF_ATTEMPTS
+      puts "You have exceeded the required amounts of guesses, default selection is computer generated list (A).\n"
+      selection = 'A'
+      break
+    end
+  end
+  if selection == 'A'
+    user_v = number_of_items()
+    printing_menu(user_v)
+  elsif selection == 'B'
+    entered_menu_items()
+  end
+end
+
+def entered_menu_items()
+  print "\nHow many items would you like to enter? "
+  @fav_food.clear
+  @texture.clear
+  @style.clear
+  user_entered_amount = gets.chomp.to_i
+
+  user_entered_amount.times do |i|
+    print "Food item #{i+1}: "
+    @fav_food[i] = gets.chomp
+    print "Texture of item #{i+1}: "
+    @texture[i] = gets.chomp
+    print "Style of item #{i+1}: "
+    @style[i] = gets.chomp
+  end
+
+  printing_menu(user_entered_amount)
+end
+
+# Function gathers input from
+def number_of_items()
+  print "Please enter a number of items you're interested in seeing: "
+  number_of_items = gets.chomp
+  number_of_items = confirm_a_number(number_of_items)
+  count = 0
+  while number_of_items > @fav_food.length
+    count+=1
+    print "Please enter a value less than the size of the menu: "
+    puts  "You have #{@NUMBER_OF_ATTEMPTS-count+1} left"
+    number_of_items = gets.chomp
+    number_of_items = confirm_a_number(number_of_items)
+    if count >= @NUMBER_OF_ATTEMPTS
+      puts "You have exceeded the required amounts of guesses, default amount of values will be (5).\n"
+      break
+    end
+  end
+  return number_of_items
+end
+
+# Function to confirm user input is of integer type.
+def confirm_a_number (any_number)
+  while any_number.to_i.to_s != any_number
+    print "Please enter an integer: "
+    any_number = gets.chomp
+  end
+  return any_number.to_i
+end
+
+# Function prints menu items to the user
+def printing_menu(number_of_items)
+  rand_val = rand(0..@fav_food.length)
+  number_of_items.times do |i|
+
+    # Traps code in a loop if index selected is outside of array. Rand() range is dynamic based on array size.
+    while @style[rand_val] == nil && @texture[rand_val] == nil && @fav_food[rand_val] == nil
+      rand_val = rand(0..@fav_food.length)
+      @style[rand_val] =  @style[rand_val]
+      @texture[rand_val] = @texture[rand_val]
+      @fav_food[rand_val] = @fav_food[rand_val]
+    end
+
+    print "Item #{i+1}: #{@texture[rand_val]} "
+    print "#{@style[rand_val]}"
+    print " #{@fav_food[rand_val]} \n"
+
+    # Deletes elements from menu arrays after they have been displayed to the user.
+    @style.delete_at(rand_val)
+    @texture.delete_at(rand_val)
+    @fav_food.delete_at(rand_val)
+  end
+end
+
+user_menu()