import 'dart:convert';
import 'dart:io';

import 'package:flutter_test/flutter_test.dart';
import 'package:hepan_everyday/services/diagnostic_log.dart';

void main() {
  test(
    'logs retain only ten minutes across reopening and omit login secrets',
    () async {
      final directory = await Directory.systemTemp.createTemp('tp-log-test');
      addTearDown(() => directory.delete(recursive: true));
      var now = DateTime.utc(2026, 10, 15, 10);
      final log = DiagnosticLog(clock: () => now);
      addTearDown(log.dispose);
      await log.attach(directory);
      log.add('old_event');
      now = now.add(const Duration(minutes: 11));
      log.navigation(
        'graduate',
        'finished',
        'https://yjsjy.uestc.edu.cn/pyxx/pygl/xskbcx/index/73?ticket=SECRET&username=PERSON',
      );
      log.add(
        'read_failed',
        fields: {'code': 'no_timetable', 'password': 'SECRET'},
      );
      await log.flush();
      final restored = DiagnosticLog(clock: () => now);
      addTearDown(restored.dispose);
      await restored.attach(directory);
      final text = utf8.decode(await restored.export());
      expect(text, contains('navigation_finished'));
      expect(text, contains('timetable'));
      expect(text, contains('no_timetable'));
      for (final value in [
        'old_event',
        'SECRET',
        'PERSON',
        'ticket',
        '"password"',
        'https://',
      ]) {
        expect(text, isNot(contains(value)));
      }
      now = now.add(const Duration(minutes: 11));
      expect(
        utf8.decode(await restored.export()),
        isNot(contains('no_timetable')),
      );
    },
  );
}