import 'dart:io';

import 'package:pipe/pipe.dart';
import 'package:test/test.dart';

void _copyTree(Directory from, Directory to) {
  to.createSync(recursive: true);
  for (final entity in from.listSync(recursive: true)) {
    final relative = entity.path.substring(from.path.length + 1);
    final target = '${to.path}/$relative';
    if (entity is Directory) {
      Directory(target).createSync(recursive: true);
    } else if (entity is File) {
      File(target).writeAsBytesSync(entity.readAsBytesSync());
    }
  }
}

void main() {
  test('verify reports findings in an excluded file as not scanned', () async {
    // The analyzer skips a file that analysis_options `exclude:` names, and the
    // verify gate only refused FAILED files. So a finding in an excluded file
    // was absent from the fresh report and verify called it RESOLVED.
    const excluded = 'lib/item_bloc.dart';
    final original = await loadProject('test/fixtures/stuck_loading');
    final before = await analyzeProject(original, concurrency: 1);
    final encoded = encodeBaseline(original.root, before.report.findings);
    await before.dispose();
    final baseline = decodeBaselineEntries(encoded);
    final inExcluded = baseline.where((entry) => entry.file == excluded);
    expect(inExcluded, isNotEmpty, reason: 'the fixture must exercise this');

    final temp = Directory.systemTemp.createTempSync('pipe-excluded');
    _copyTree(Directory('test/fixtures/stuck_loading'), temp);
    File(
      '${temp.path}/analysis_options.yaml',
    ).writeAsStringSync('analyzer:\n  exclude:\n    - $excluded\n');

    final analysis = await analyzeProject(
      await loadProject(temp.path),
      concurrency: 1,
    );
    try {
      expect(
        analysis.run.outcomes.where((outcome) => outcome.skipped),
        isNotEmpty,
        reason: 'analysis_options exclude: should skip the file',
      );
      final verification = verifyAnalysis(
        analysis: analysis,
        baseline: baseline,
      );
      expect(
        verification.resolved.where((entry) => entry.file == excluded),
        isEmpty,
      );
      expect(
        verification.notScanned.map((entry) => entry.fingerprint),
        containsAll(inExcluded.map((entry) => entry.fingerprint)),
      );
      expect(verification.allResolved, isFalse);
    } finally {
      await analysis.dispose();
    }
  });
}