// Copyright (c) 2023, 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:analyzer/src/diagnostic/diagnostic.dart' as diag;
import 'package:analyzer_testing/analysis_rule/analysis_rule.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/context_collection_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(SubtypeOfFinalIsNotBaseFinalOrSealedTest);
  });
}

@reflectiveTest
class SubtypeOfFinalIsNotBaseFinalOrSealedTest
    extends PubPackageResolutionTest {
  test_class_extends() async {
    await assertErrorsInCode(
      r'''
final class A {}
class B extends A {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          23,
          1,
          text:
              "The type 'B' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
        ),
      ],
    );
  }

  @SkippedTest() // TODO(scheglov): implement augmentation
  test_class_extends_inAugmentation() async {
    newFile('$testPackageLibPath/a.dart', r'''
part of 'test.dart';
augment class B extend A {}
''');

    await assertErrorsInCode(
      r'''
part 'a.dart';
final class A {}
class B {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          38,
          1,
          text:
              "The type 'B' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
        ),
      ],
    );
  }

  test_class_extends_outside() async {
    // No [SUBTYPE_OF_FINAL_IS_NOT_BASE_FINAL_OR_SEALED] reported outside of
    // library.
    newFile('$testPackageLibPath/a.dart', r'''
final class A {}
''');

    await assertErrorsInCode(
      r'''
import 'a.dart';
class B extends A {}
''',
      [error(diag.finalClassExtendedOutsideOfLibrary, 33, 1)],
    );
  }

  test_class_extends_outside_viaLanguage219AndCore() async {
    var a = newFile('$testPackageLibPath/a.dart', r'''
// @dart=2.19
import 'dart:core';
class A implements MapEntry<int, int> {
  int get key => 0;
  int get value => 1;
}
''');

    await resolveFile2(a);
    assertNoErrorsInResult();

    await assertErrorsInCode(
      r'''
import 'a.dart';
class B extends A {
  int get key => 0;
  int get value => 1;
}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          23,
          1,
          text:
              "The type 'B' must be 'base', 'final' or 'sealed' because the supertype 'MapEntry' is 'final'.",
        ),
      ],
    );
  }

  test_class_implements() async {
    await assertErrorsInCode(
      r'''
final class A {}
class B implements A {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          23,
          1,
          text:
              "The type 'B' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
        ),
      ],
    );
  }

  test_class_implements_outside() async {
    // No [SUBTYPE_OF_FINAL_IS_NOT_BASE_FINAL_OR_SEALED] reported outside of
    // library.
    newFile('$testPackageLibPath/a.dart', r'''
final class A {}
''');

    await assertErrorsInCode(
      r'''
import 'a.dart';
class B implements A {}
''',
      [error(diag.finalClassImplementedOutsideOfLibrary, 36, 1)],
    );
  }

  test_class_implements_outside_viaLanguage219AndCore() async {
    // No [SUBTYPE_OF_FINAL_IS_NOT_BASE_FINAL_OR_SEALED] reported outside of
    // library to avoid over-reporting when we have a
    // [FINAL_CLASS_IMPLEMENTED_OUTSIDE_OF_LIBRARY] error.
    var a = newFile('$testPackageLibPath/a.dart', r'''
// @dart=2.19
import 'dart:core';
class A implements MapEntry<int, int> {
  int get key => 0;
  int get value => 1;
}
''');

    await resolveFile2(a);
    assertNoErrorsInResult();

    await assertErrorsInCode(
      r'''
import 'a.dart';
class B implements A {
  int get key => 0;
  int get value => 1;
}
''',
      [error(diag.finalClassImplementedOutsideOfLibrary, 36, 1)],
    );
  }

  test_class_on_outside() async {
    // No [SUBTYPE_OF_FINAL_IS_NOT_BASE_FINAL_OR_SEALED] reported outside of
    // library.
    newFile('$testPackageLibPath/a.dart', r'''
final class A {}
''');

    await assertErrorsInCode(
      r'''
import 'a.dart';
mixin B on A {}
''',
      [error(diag.finalClassUsedAsMixinConstraintOutsideOfLibrary, 28, 1)],
    );
  }

  test_class_sealed_extends() async {
    await assertErrorsInCode(
      r'''
final class A {}
sealed class B extends A {}
class C extends B {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          51,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              12,
              1,
              textContains: [
                "The type 'B' is a subtype of 'A', and 'A' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }

  test_class_sealed_extends_multiple() async {
    await assertErrorsInCode(
      r'''
final class A {}
sealed class B extends A {}
sealed class C extends B {}
class D extends C {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          79,
          1,
          text:
              "The type 'D' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              12,
              1,
              textContains: [
                "The type 'C' is a subtype of 'A', and 'A' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }

  test_class_sealed_extends_outside() async {
    // No [SUBTYPE_OF_FINAL_IS_NOT_BASE_FINAL_OR_SEALED] reported outside of
    // library.
    newFile('$testPackageLibPath/a.dart', r'''
final class A {}
''');

    await assertErrorsInCode(
      r'''
import 'a.dart';
sealed class B extends A {}
class C extends B {}
''',
      [error(diag.finalClassExtendedOutsideOfLibrary, 40, 1)],
    );
  }

  test_class_sealed_extends_unordered() async {
    await assertErrorsInCode(
      r'''
class C extends B {}
sealed class B extends A {}
final class A {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          6,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              61,
              1,
              textContains: [
                "The type 'B' is a subtype of 'A', and 'A' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }

  test_class_sealed_implements() async {
    await assertErrorsInCode(
      r'''
final class A {}
sealed class B implements A {}
class C implements B {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          54,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              12,
              1,
              textContains: [
                "The type 'B' is a subtype of 'A', and 'A' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }

  test_class_sealed_with_extends() async {
    await assertErrorsInCode(
      r'''
mixin A {}
final class B {}
sealed class C extends B with A {}
class D extends C {}
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          69,
          1,
          text:
              "The type 'D' must be 'base', 'final' or 'sealed' because the supertype 'B' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              23,
              1,
              textContains: [
                "The type 'C' is a subtype of 'B', and 'B' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }

  test_classTypeAlias() async {
    await assertErrorsInCode(
      r'''
final class A {}
mixin B {}
class C = Object with B implements A;
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          34,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
        ),
      ],
    );
  }

  test_classTypeAlias_interface() async {
    await assertErrorsInCode(
      r'''
final class A {}
mixin B {}
interface class C = Object with B implements A;
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          44,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
        ),
      ],
    );
  }

  test_classTypeAlias_sealed() async {
    await assertErrorsInCode(
      r'''
final class A {}
sealed class AA extends A {}
mixin B {}
class C = Object with B implements AA;
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          63,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              12,
              1,
              textContains: [
                "The type 'AA' is a subtype of 'A', and 'A' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }

  test_classTypeAlias_sealed_interface() async {
    await assertErrorsInCode(
      r'''
final class A {}
sealed class AA extends A {}
mixin B {}
interface class C = Object with B implements AA;
''',
      [
        this.error(
          diag.subtypeOfFinalIsNotBaseFinalOrSealed,
          73,
          1,
          text:
              "The type 'C' must be 'base', 'final' or 'sealed' because the supertype 'A' is 'final'.",
          contextMessages: [
            contextMessage(
              testFile,
              12,
              1,
              textContains: [
                "The type 'AA' is a subtype of 'A', and 'A' is defined here.",
              ],
            ),
          ],
        ),
      ],
    );
  }
}
