import 'dart:io';

import 'package:oto/cli/commands/command_exe.dart';
import 'package:oto/oto/application.dart';
import 'package:test/test.dart';

void main() {
  setUp(() {
    Application.instance.property = {};
    Application.instance.commandStates = {};
    Application.instance.dataCommandMap = {};
  });

  test('build returns failure instead of exiting on invalid yaml', () async {
    const invalidYaml = '''
property:
  workspace: .
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: doesNotExist
''';

    final result = await Application.instance
        .build(BuildType.file, yamlContent: invalidYaml);

    expect(result.success, isFalse);
    expect(result.exitCode, 10);
    expect(result.error, isNotNull);
  });

  test('file build returns success for print-only pipeline', () async {
    const yaml = '''
property:
  workspace: .
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: hello
''';

    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);

    expect(result.success, isTrue);
    expect(result.exitCode, 0);
  });

  test('file build can run twice in same process', () async {
    const yaml = '''
property:
  workspace: .
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: hello
''';

    final first =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    final second =
        await Application.instance.build(BuildType.file, yamlContent: yaml);

    expect(first.success, isTrue);
    expect(second.success, isTrue);
  });

  test('build fails with message when YAML root is not a map', () async {
    const yaml = '''
- command: Print
  id: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), contains('Build YAML root must be a map'));
  });

  test('build fails with message when property is not a map', () async {
    const yaml = '''
property:
  - bad
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), contains('Validate build yaml'));
  });

  test('build fails with message when command id is not a string', () async {
    const yaml = '''
commands:
  - command: Print
    id: 123
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), contains('Validate command list'));
  });

  test('build fails with message when command type is not a string', () async {
    const yaml = '''
commands:
  - command: 999
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), contains('Validate command list'));
  });

  test('build fails with validation message when workflow key is not a string',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - 123: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(),
        isNot(contains('Converting object to an encodable object failed')));
    expect(result.error.toString(), contains('workflow[0]'));
  });

  test('build fails with validation message when exe-handle branch is missing',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe-handle:
        id: hello
        on-fail:
          - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(),
        contains('exe-handle syntax requires on-success'));
  });

  // REVIEW_VALIDATE-1: exe command id type guard
  test(
      'build fails with validation message when exe command id is not a string',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe: 123
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), isNot(contains('is not a subtype')));
    expect(result.error.toString(), contains('exe'));
  });

  // REVIEW_VALIDATE-1: wait-until-string condition type guard
  test(
      'build fails with validation message when wait-until-string value is not a string',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - wait-until-string: 123
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), isNot(contains('is not a subtype')));
    expect(result.error.toString(), contains('wait-until'));
  });

  // REVIEW_VALIDATE-3: nested pipeline malformed cases
  test('build fails with validation message when exe-handle id is not a string',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow:
    - exe-handle:
        id: 123
        on-success:
          - exe: hello
        on-fail:
          - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), isNot(contains('is not a subtype')));
    expect(result.error.toString(), contains('exe-handle'));
    expect(result.error.toString(), contains('id'));
  });

  // REVIEW_REVIEW_VALIDATE-1: pipeline.id validation
  test('build fails with validation message when pipeline.id is missing',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  workflow:
    - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), isNot(contains('is not a subtype')));
    expect(result.error.toString(), contains('pipeline.id'));
  });

  test('build fails with validation message when pipeline.id is not a string',
      () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: 123
  workflow:
    - exe: hello
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), isNot(contains('is not a subtype')));
    expect(result.error.toString(), contains('pipeline.id'));
  });

  test('build fails with validation message when workflow is empty', () async {
    const yaml = '''
commands:
  - command: Print
    id: hello
    param:
      message: hi
pipeline:
  id: main
  workflow: []
''';
    final result =
        await Application.instance.build(BuildType.file, yamlContent: yaml);
    expect(result.success, isFalse);
    expect(result.error.toString(), isNot(contains('Null check operator')));
    expect(result.error.toString(), contains('pipeline.workflow'));
  });

  test('CommandExe exe -f handles missing file without LateInitializationError',
      () async {
    final missing =
        '/tmp/oto_missing_${DateTime.now().microsecondsSinceEpoch}.yaml';
    expect(File(missing).existsSync(), isFalse);

    final command = CommandExe();
    final priorExitCode = exitCode;
    try {
      await command.execute(['-f', missing]);
    } finally {
      exitCode = priorExitCode;
    }
  });
}