# typed: strict
# frozen_string_literal: true

module RubyLsp
  module Rails
    # ![Document Symbol demo](../../document_symbol.gif)
    #
    # The [document symbol](https://microsoft.github.io/language-server-protocol/specification#textDocument_documentSymbol)
    # request allows users to navigate between ActiveSupport test cases with VS Code's "Go to Symbol" feature.
    class DocumentSymbol
      extend T::Sig
      include Requests::Support::Common
      include ActiveSupportTestCaseHelper

      sig do
        params(
          response_builder: ResponseBuilders::DocumentSymbol,
          dispatcher: Prism::Dispatcher,
        ).void
      end
      def initialize(response_builder, dispatcher)
        @response_builder = response_builder

        dispatcher.register(self, :on_call_node_enter)
      end

      sig { params(node: Prism::CallNode).void }
      def on_call_node_enter(node)
        content = extract_test_case_name(node)

        return unless content

        @response_builder.last.children << RubyLsp::Interface::DocumentSymbol.new(
          name: content,
          kind: LanguageServer::Protocol::Constant::SymbolKind::METHOD,
          selection_range: range_from_node(node),
          range: range_from_node(node),
        )
      end
    end
  end
end