class Address
  attr_accessor :street1, :street2, :city, :state, :zip, :country

  def initialize(street1, street2, city, state, zip, country)
    @street1 = street1
    @street2 = street2
    @city = city
    @state = state
    @zip = zip
    @country = country
  end

  def to_s(format: nil)
    case format
    when :full
      join_with_newline(
        street1, 
        street2, 
        join_with_comma(city, state_and_zip),
        country
      )
    when :condensed
      join_with_newline(
        join_with_comma(street1, street2),
        join_with_comma(city, state_and_zip, country),
      )
    else
      join_with_comma(street1, street2, city, state_and_zip, country)
    end
  end

  def present?
    [street1, street2, city, state, zip, country].any?(&:present?)
  end

  private

  def join_without_blanks(*parts, separator: ", ")
    parts.reject(&:blank?).join(separator)
  end

  def join_with_comma(*parts)
    join_without_blanks(*parts)
  end

  def join_with_newline(*parts)
    join_without_blanks(*parts, separator: "\n")
  end

  def state_and_zip
    join_without_blanks(state, zip, separator: " ")
  end
end