holidays.rb

# Holiday suppliers
# You have a bunch of decorations for various holidays organized by season.

holiday_supplies = {
  :winter => {
    :christmas => ["Lights", "Wreath"],
    :new_years => ["Party Hats"]
  },
  :summer => {
    :forth_of_july => ["Fireworks", "BBQ"]
  },
  :fall => {
    :thanksgiving => ["Turkey"]
  },
  :spring => {
    :memorial_day => ["BBQ"]
  }
}

# How would you access the second supply for the forth_of_july? ex: holiday_supplies[:spring][:memorial_day][0]
puts holiday_supplies[:summer][:forth_of_july][1]

# Add a supply to a Winter holiday.
holiday_supplies[:winter][:christmas] << "Tree"
puts holiday_supplies[:winter]

# Add a supply to memorial day.
holiday_supplies[:spring][:memorial_day] << "Soda"
puts holiday_supplies[:spring]

# Add a new holiday to any season with supplies.
holiday_supplies[:spring][:easter] = ["Eggs"]
puts holiday_supplies[:spring]

# Write a method to collect all Winter supplies from all the winter holidays. ex: winter_suppliers(holiday_supplies) #=> ["Lights", "Wreath", etc]
def winter_suppliers(holiday_supplies)
  holiday_supplies[:winter].map {|holiday, supplies| supplies}
end
puts winter_suppliers(holiday_supplies)

# Write a loop to list out all the supplies you have for each holiday and the season.
# Output:
# Winter:
#   Christmas: Lights and Wreath
#   New Years: Party Hats


holiday_supplies.each do |season, holiday_and_supplies|
  puts season.to_s.capitalize + ":"
  holiday_and_supplies.each do |holiday, supplies|
    new_str = ""
    new_str << ("  " + holiday.to_s.capitalize + ": ")
    i = 0
    supplies.each do |supply|
      if i == 0
        new_str << supply
      else
        new_str << (" and " + supply)
      end
      i += 1
    end
    puts new_str
  end
end


# Write a method to collect all holidays with BBQ.

def holidays_with_bbqs(holiday_supplies)
  arr = []
  holiday_supplies.each do |season, holiday_and_supplies|
    holiday_and_supplies.each do |holiday, supplies|
      arr << holiday if supplies.include?("BBQ")
    end
  end
  p arr
end

holidays_with_bbqs(holiday_supplies) #=> [:fourth_of_july, :memorial_day]