// Copyright (c) 2014, 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_generated.dart';
import 'package:analysis_server/src/edit/edit_domain.dart';
import 'package:analyzer_plugin/protocol/protocol_common.dart';
import 'package:test/test.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../analysis_abstract.dart';
import '../mocks.dart';

void main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(SortMembersTest);
  });
}

@reflectiveTest
class SortMembersTest extends AbstractAnalysisTest {
  SourceFileEdit fileEdit;

  @override
  void setUp() {
    super.setUp();
    createProject();
    handler = EditDomainHandler(server);
  }

  @failingTest
  Future<void> test_BAD_doesNotExist() async {
    // The analysis driver fails to return an error
    var request =
        EditSortMembersParams(convertPath('/no/such/file.dart')).toRequest('0');
    var response = await waitResponse(request);
    expect(response,
        isResponseFailure('0', RequestErrorCode.SORT_MEMBERS_INVALID_FILE));
  }

  Future<void> test_BAD_hasParseError() async {
    addTestFile('''
main() {
  print()
}
''');
    var request = EditSortMembersParams(testFile).toRequest('0');
    var response = await waitResponse(request);
    expect(response,
        isResponseFailure('0', RequestErrorCode.SORT_MEMBERS_PARSE_ERRORS));
  }

  Future<void> test_BAD_notDartFile() async {
    var request = EditSortMembersParams(
      convertPath('/not-a-Dart-file.txt'),
    ).toRequest('0');
    var response = await waitResponse(request);
    expect(response,
        isResponseFailure('0', RequestErrorCode.SORT_MEMBERS_INVALID_FILE));
  }

  Future<void> test_invalidFilePathFormat_notAbsolute() async {
    var request = EditSortMembersParams('test.dart').toRequest('0');
    var response = await waitResponse(request);
    expect(
      response,
      isResponseFailure('0', RequestErrorCode.INVALID_FILE_PATH_FORMAT),
    );
  }

  Future<void> test_invalidFilePathFormat_notNormalized() async {
    var request = EditSortMembersParams(convertPath('/foo/../bar/test.dart'))
        .toRequest('0');
    var response = await waitResponse(request);
    expect(
      response,
      isResponseFailure('0', RequestErrorCode.INVALID_FILE_PATH_FORMAT),
    );
  }

  Future<void> test_OK_afterWaitForAnalysis() async {
    addTestFile('''
class C {}
class A {}
class B {}
''');
    await waitForTasksFinished();
    return _assertSorted(r'''
class A {}
class B {}
class C {}
''');
  }

  Future<void> test_OK_classMembers_method() async {
    addTestFile('''
class A {
  c() {}
  a() {}
  b() {}
}
''');
    return _assertSorted(r'''
class A {
  a() {}
  b() {}
  c() {}
}
''');
  }

  Future<void> test_OK_directives() async {
    addTestFile('''
library lib;

export 'dart:bbb';
import 'dart:bbb';
export 'package:bbb/bbb.dart';
import 'bbb/bbb.dart';
export 'dart:aaa';
export 'package:aaa/aaa.dart';
import 'package:bbb/bbb.dart';
export 'aaa/aaa.dart';
export 'bbb/bbb.dart';
import 'dart:aaa';
import 'package:aaa/aaa.dart';
import 'aaa/aaa.dart';
part 'bbb/bbb.dart';
part 'aaa/aaa.dart';

main() {
}
''');
    return _assertSorted(r'''
library lib;

import 'dart:aaa';
import 'dart:bbb';

import 'package:aaa/aaa.dart';
import 'package:bbb/bbb.dart';

import 'aaa/aaa.dart';
import 'bbb/bbb.dart';

export 'dart:aaa';
export 'dart:bbb';

export 'package:aaa/aaa.dart';
export 'package:bbb/bbb.dart';

export 'aaa/aaa.dart';
export 'bbb/bbb.dart';

part 'aaa/aaa.dart';
part 'bbb/bbb.dart';

main() {
}
''');
  }

  Future<void> test_OK_directives_withAnnotation() async {
    addTestFile('''
library lib;

export 'dart:bbb';
@MyAnnotation(1)
@MyAnnotation(2)
import 'dart:bbb';
@MyAnnotation(3)
export 'dart:aaa';
import 'dart:aaa';

class MyAnnotation {
  const MyAnnotation(_);
}
''');
    return _assertSorted(r'''
library lib;

import 'dart:aaa';
@MyAnnotation(1)
@MyAnnotation(2)
import 'dart:bbb';

@MyAnnotation(3)
export 'dart:aaa';
export 'dart:bbb';

class MyAnnotation {
  const MyAnnotation(_);
}
''');
  }

  Future<void> test_OK_genericFunctionType() async {
    newFile('$projectPath/analysis_options.yaml', content: '''
analyzer:
  strong-mode: true
''');
    addTestFile('''
class C {
  void caller() {
    Super s = new Super();
    takesSub(s); // <- No warning
  }

  void takesSub(Sub s) {}
}

class Sub extends Super {}

class Super {}

typedef dynamic Func(String x, String y);

F allowInterop<F extends Function>(F f) => null;

Func bar(Func f) {
  return allowInterop(f);
}
''');
    return _assertSorted('''
F allowInterop<F extends Function>(F f) => null;

Func bar(Func f) {
  return allowInterop(f);
}

typedef dynamic Func(String x, String y);

class C {
  void caller() {
    Super s = new Super();
    takesSub(s); // <- No warning
  }

  void takesSub(Sub s) {}
}

class Sub extends Super {}

class Super {}
''');
  }

  Future<void> test_OK_unitMembers_class() async {
    addTestFile('''
class C {}
class A {}
class B {}
''');
    return _assertSorted(r'''
class A {}
class B {}
class C {}
''');
  }

  Future _assertSorted(String expectedCode) async {
    await _requestSort();
    var resultCode = SourceEdit.applySequence(testCode, fileEdit.edits);
    expect(resultCode, expectedCode);
  }

  Future _requestSort() async {
    var request = EditSortMembersParams(testFile).toRequest('0');
    var response = await waitResponse(request);
    var result = EditSortMembersResult.fromResponse(response);
    fileEdit = result.edit;
  }
}