class Coffee

  # We can set the coffee flavor when creating the Coffee object
  # By default, the flavor is 'sweet, smoky, Sumatran'.
  def initialize(flavor = 'sweet, smoky, Sumatran')
    @temperature = 80
    @flavor = flavor
    @container = 'cup'
    @container_material = 'ceramic'
    @fullness = 50
  end

  def temperature
    @temperature
  end

  def temperature!(temp)
    @temperature = temp
  end

  def flavor
    @flavor
  end

  def container
    @container
  end

  def container_material
    @container_material
  end

  def fullness
    @fullness
  end

  def report
    puts "The #{@container_material} #{@container} is #{@fullness}% full of #{@temperature}-degree, #{@flavor} coffee."
  end

  # Is the cup empty (fullness zero or less)?
  # Return true if so and false if not.
  def empty?
    if @fullness <= 0
      return true
    else
      return false
    end
  end

  # Take a sip of the coffee, decreasing the fullness
  def sip

    # if we're already below 10%, finish off the cup
    if @fullness < 10
      @fullness = 0
    # otherwise, drink a little
    else
      @fullness -= 10
    end

    # Return the object for use in chaining
    self

  end # end sip

end

# Program begins here

# Create a new object of class Coffee
myCoffee = Coffee.new

# Print out a status report of my tasty coffee
myCoffee.report

# Take a sip of coffee
myCoffee.sip

# Print another status report
myCoffee.report

# Take four sips, then tell me if the cup is empty
myCoffee.sip.sip.sip.sip
puts 'All gone :(' if myCoffee.empty?

# Wayne gets coffee (of a sort) too
waynesCoffee = Coffee.new('foul, watery')

# Let's see how Wayne's coffee is doing
waynesCoffee.report