class HTTP::Response

def caching
  Caching.new self
end

def charset
  @charset ||= content_type.charset
end

def content_type
  @content_type ||= ContentType.parse headers["Content-Type"]
end

def flush
  body.to_s
  self
end

def initialize(status, version, headers, body, uri = nil) # rubocop:disable ParameterLists
  @version, @body, @uri = version, body, uri
  @status  = HTTP::Response::Status.new status
  @headers = HTTP::Headers.coerce(headers || {})
end

def inspect
  "#<#{self.class}/#{@version} #{code} #{reason} #{headers.to_h.inspect}>"
end

def mime_type
  @mime_type ||= content_type.mime_type
end

def parse(as = nil)
  MimeType[as || mime_type].decode to_s
end

def to_a
  [status.to_i, headers.to_h, body.to_s]
end