// Surface-level tests for the diagnostic-strip Fix dialog
// support. The dialog itself is a private widget; this file
// exercises the controller-side API the dialog reads (issues,
// fixesFor, analyzerErrorCount, AnalyzerStrings) so a future
// regression on the data flow surfaces in CI.

import 'package:chain_studio_flow_editor/src/flow_yaml_controller.dart';
import 'package:chain_studio_flow_editor/src/l10n.dart';
import 'package:chain_studio_flow_editor/src/quick_fix.dart';
import 'package:flutter_code_editor/flutter_code_editor.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('FlowYamlCodeController quick-fix exposure', () {
    test('fixesFor returns the analyzer-attached list', () async {
      final c = FlowYamlCodeController(
        availableCapabilities: () => const <String>['debug.echo'],
        storeCapabilities: () => const <String>['text.classify'],
      );
      addTearDown(c.dispose);
      c.fullText = '''
name: hello
steps:
  - id: c
    use: text.classify@^1
''';
      // Wait for the analyzer's debounce.
      await Future.delayed(const Duration(milliseconds: 700));
      final issues = c.analysisResult.issues;
      expect(
        issues,
        isNotEmpty,
        reason: 'analyzer should flag the unknown capability',
      );
      final fixes = c.fixesFor(issues.first);
      expect(fixes, hasLength(1));
      expect(fixes.first, isA<InstallCapabilityFix>());
    });

    test('analyzerErrorCount tracks error severity', () async {
      final c = FlowYamlCodeController(
        availableCapabilities: () => const <String>['debug.echo'],
      );
      addTearDown(c.dispose);
      expect(c.analysisResult.issues, isEmpty);
      c.fullText = '''
steps:
  - id: x
    use: nope@^1
''';
      await Future.delayed(const Duration(milliseconds: 700));
      final errors = c.analysisResult.issues
          .where((i) => i.type == IssueType.error)
          .length;
      expect(errors, greaterThan(0));
    });

    test('AnalyzerStrings.english produces the expected fix labels', () {
      final strings = AnalyzerStrings.english;
      expect(strings.fixInstallCap('text.echo'), 'Install text.echo');
      expect(strings.fixAddSource('text.echo'), 'Add source for text.echo…');
      expect(strings.fixChangeTo('bytes'), 'Change to "bytes"');
      expect(strings.fixUseInstead('text.echo@^0.1'),
          'Use "text.echo@^0.1"');
    });
  });
}