class Rage::OpenAPI::Parsers::YAML

def __parse(object)
  spec = {}
  if object.is_a?(Hash)
    spec = { "type" => "object", "properties" => {} }
    object.each do |key, value|
      spec["properties"][key] = if value.is_a?(Enumerable)
        __parse(value)
      else
        type_to_spec(value)
      end
    end
  elsif object.is_a?(Array) && object.length == 1
    spec = { "type" => "array", "items" => object[0].is_a?(Enumerable) ? __parse(object[0]) : type_to_spec(object[0]) }
  elsif object.is_a?(Array)
    spec = { "type" => "string", "enum" => object }
  end
  spec
end

def initialize(**)
end

def known_definition?(yaml)
  object = YAML.safe_load(yaml) rescue nil
  !!object && object.is_a?(Enumerable)
end

def parse(yaml)
  __parse(YAML.safe_load(yaml))
end

def type_to_spec(type)
  Rage::OpenAPI.__type_to_spec(type) || { "type" => "string", "enum" => [type] }
end