// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'dart:async';

import 'package:analysis_server/protocol/protocol.dart';
import 'package:analysis_server/protocol/protocol_generated.dart';
import 'package:analysis_server/src/handler/legacy/legacy_handler.dart';
import 'package:analysis_server/src/plugin/request_converter.dart';
import 'package:analysis_server/src/utilities/extensions/resource_provider.dart';

/// The handler for the `analysis.setAnalysisRoots` request.
class AnalysisSetAnalysisRootsHandler extends LegacyHandler {
  /// Initialize a newly created handler to be able to service requests for the
  /// [server].
  new(super.server, super.request, super.cancellationToken, super.performance);

  @override
  Future<void> handle() async {
    var params = AnalysisSetAnalysisRootsParams.fromRequest(
      request,
      clientUriConverter: server.uriConverter,
    );
    var includedPathList = params.included;
    var excludedPathList = params.excluded;

    server.analyticsManager.startedSetAnalysisRoots(params);

    // validate
    for (var path in includedPathList) {
      if (!server.resourceProvider.isValidFilePath(path)) {
        sendResponse(Response.invalidFilePathFormat(request, path));
        return;
      }
    }
    for (var path in excludedPathList) {
      if (!server.resourceProvider.isValidFilePath(path)) {
        sendResponse(Response.invalidFilePathFormat(request, path));
        return;
      }
    }

    var detachableFileSystemManager = server.detachableFileSystemManager;
    if (detachableFileSystemManager != null) {
      detachableFileSystemManager.setAnalysisRoots(
        request.id,
        includedPathList,
        excludedPathList,
      );
    } else {
      await server.setAnalysisRoots(
        request.id,
        includedPathList,
        excludedPathList,
      );

      // Forward the request to the plugins.
      server.pluginManager.setAnalysisSetAnalysisRootsParams(
        params.asPluginProtocol,
      );
    }
    sendResult(AnalysisSetAnalysisRootsResult());
  }
}
