class Turbopuffer::Internal::NamespacePage

def auto_paging_each(&blk)
  unless block_given?
    raise ArgumentError.new("A block must be given to ##{__method__}")
  end
  page = self
  loop do
    page.namespaces&.each(&blk)
    break unless page.next_page?
    page = page.next_page
  end
end

def initialize(client:, req:, headers:, page_data:)
  super
  case page_data
  in {namespaces: Array => namespaces}
    @namespaces = namespaces.map { Turbopuffer::Internal::Type::Converter.coerce(@model, _1) }
  else
  end
  @next_cursor = page_data[:next_cursor]
end

def inspect
  model = Turbopuffer::Internal::Type::Converter.inspect(@model, depth: 1)
  "#<#{self.class}[#{model}]:0x#{object_id.to_s(16)} next_cursor=#{next_cursor.inspect}>"
end

def next_page
  unless next_page?
    message = "No more pages available. Please check #next_page? before calling ##{__method__}"
    raise RuntimeError.new(message)
  end
  req = Turbopuffer::Internal::Util.deep_merge(@req, {query: {cursor: next_cursor}})
  @client.request(req)
end

def next_page?
  !namespaces.to_a.empty? && !next_cursor.to_s.empty?
end