class RubyLsp::RuboCop::Addon

def activate(global_state, message_queue)
  ::RuboCop::LSP::Logger.log(
    "Activating RuboCop LSP addon #{::RuboCop::Version::STRING}.", prefix: '[RuboCop]'
  )
  @runtime_adapter = RuntimeAdapter.new
  global_state.register_formatter('rubocop', @runtime_adapter)
  register_additional_file_watchers(global_state, message_queue)
  ::RuboCop::LSP::Logger.log(
    "Initialized RuboCop LSP addon #{::RuboCop::Version::STRING}.", prefix: '[RuboCop]'
  )
end

def deactivate
  @runtime_adapter = nil
end

def initializer
  @runtime_adapter = nil
end

def name
  'RuboCop'
end

def register_additional_file_watchers(global_state, message_queue)
  return unless global_state.supports_watching_files
  message_queue << Request.new(
    id: 'rubocop-file-watcher',
    method: 'client/registerCapability',
    params: Interface::RegistrationParams.new(
      registrations: [
        Interface::Registration.new(
          id: 'workspace/didChangeWatchedFilesRuboCop',
          method: 'workspace/didChangeWatchedFiles',
          register_options: Interface::DidChangeWatchedFilesRegistrationOptions.new(
            watchers: [
              Interface::FileSystemWatcher.new(
                glob_pattern: '**/.rubocop{,_todo}.yml',
                kind: Constant::WatchKind::CREATE | Constant::WatchKind::CHANGE | Constant::WatchKind::DELETE
              )
            ]
          )
        )
      ]
    )
  )
end

def workspace_did_change_watched_files(changes)
  return unless changes.any? { |change| change[:uri].end_with?('.rubocop.yml') }
  @runtime_adapter = RuntimeAdapter.new
  ::RuboCop::LSP::Logger.log(<<~MESSAGE, prefix: '[RuboCop]')
    Re-initialized RuboCop LSP addon #{::RuboCop::Version::STRING} due to .rubocop.yml file change.
  MESSAGE
end