# Implements:
#
#   template - uses @definition to build a CloudFormation template section
#
class Lono::Template::Dsl::Builder
  class Condition < Base
    def template
      camelize(standarize(@definition))
    end

    # There are only 2 forms for condition: long and medium
    #
    # Type is the only required property: https://amzn.to/2x8W5aD
    def standarize(definition)
      first, second, _ = definition
      if definition.size == 1 && first.is_a?(Hash) # long form
        first # pass through
      elsif definition.size == 2 && second.is_a?(Hash) # medium form
        logical_id, properties = first, second
        { logical_id => properties }
      else # I dont know what form
        raise "Invalid form provided. definition #{definition.inspect}"
      end
    end
  end
end