class Rubydex::MCPServer::GetDescendantsTool

# File lib/rubydex/mcp_server/tools/get_descendants_tool.rb, line 18
def call(name:, limit: nil, offset: nil)
  declaration = lookup_declaration(name)

  case declaration
  when Error
    response(declaration)
  when Rubydex::Namespace
    page, total = paginate(declaration.descendants, offset, limit, 500)
    descendants = page.map do |descendant|
      {
        name: descendant.name,
        kind: declaration_kind(descendant),
      }
    end

    response(name: declaration.name, descendants: descendants, total: total)
  else
    response(
      Error.new(
        "invalid_kind",
        "'#{name}' is not a class or module (it is a #{declaration_kind(declaration)})",
        "get_descendants only works on classes and modules, not methods or constants",
      ),
    )
  end
end