// Copyright (c) 2020, 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 'package:analysis_server/src/services/correction/dart/abstract_producer.dart';
import 'package:analysis_server/src/services/correction/fix.dart';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_dart.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';

class AddStatic extends CorrectionProducer {
  @override
  FixKind get fixKind => DartFixKind.ADD_STATIC; // TODO

  @override
  Future<void> compute(DartChangeBuilder builder) async {
    var declaration = node.thisOrAncestorOfType<FieldDeclaration>();
    await builder.addFileEdit(file, (DartFileEditBuilder builder) {
      var offset = declaration.firstTokenAfterCommentAndMetadata.offset;
      builder.addSimpleInsertion(offset, 'static ');
    });
  }

  /// Return an instance of this class. Used as a tear-off in `FixProcessor`.
  static AddStatic newInstance() => AddStatic();
}