import 'dart:convert';
import 'dart:io';
import 'package:crypto/crypto.dart';
import 'package:image/image.dart' as img;
import 'package:ikar/core/transport/ikar_network.dart';
import 'live_ikar_smoke.dart' as live;

Future<void> main(List<String> args) async {
  final label = args.isEmpty ? 'after' : args.first;
  final base = Uri.parse('https://ikar.kusoft.xyz');
  final client = IkarNetwork.client();
  final checks = <String>[];
  live.Device? owner;
  final report = <String, dynamic>{'passed': false, 'checks': checks};
  try {
    final stamp = DateTime.now().microsecondsSinceEpoch;
    owner = await live.Device.create(
      base,
      'node',
      '+999$stamp',
      'Avatar verification',
    );
    final input = img.decodePng(
      await File('assets/ikar_icon.png').readAsBytes(),
    )!;
    final jpeg = img.encodeJpg(img.copyResize(input, width: 128, height: 128));

    Future<Map> upload(List<int> bytes) async {
      final slot = await owner!.ok(80, {'count': 1, 'profile': true});
      final request = await client.postUrl(Uri.parse(slot['url']));
      request.headers.contentType = ContentType('image', 'jpeg');
      request.contentLength = bytes.length;
      request.add(bytes);
      final response = await request.close();
      live.check(response.statusCode == 200, 'Avatar upload failed');
      final token = jsonDecode(await utf8.decodeStream(response))['photoToken'];
      final pushed = owner.transport.events
          .firstWhere((event) => event['opcode'] == 159)
          .timeout(const Duration(seconds: 10));
      final result = await owner.ok(16, {
        'photoToken': token,
        'avatarType': 'USER_AVATAR',
      });
      final push = await pushed;
      report['profilePushWrapped'] = push['payload']?['profile'] is Map;
      return result['profile']['contact'] as Map;
    }

    final first = await upload(jpeg);
    final url = Uri.parse(first['baseUrl'] as String);
    report['absoluteAvatarUrl'] = url.isAbsolute;
    report['photoIdReturned'] = first['photoId'] is int;
    live.check(
      url.isAbsolute && url.scheme == 'https',
      'Server returned a relative avatar URL',
    );
    live.check(first['photoId'] is int, 'Server omitted avatar photo ID');
    live.check(
      report['profilePushWrapped'] == true,
      'Profile push has incompatible structure',
    );
    checks.add(
      'upload commits absolute HTTPS URL, photo ID and profile update push',
    );
    final image = await (await client.getUrl(url)).close();
    final fetched = await image.fold<List<int>>(
      [],
      (bytes, chunk) => bytes..addAll(chunk),
    );
    live.check(
      image.statusCode == 200 &&
          sha256.convert(fetched) == sha256.convert(jpeg),
      'Avatar download differs from uploaded photo',
    );
    checks.add('avatar image renders through a normal HTTP image loader');
    final history = await owner.ok(39, {'contactId': owner.id});
    live.check(
      history['ids'][0] == first['photoId'] &&
          Uri.parse(history['urls'][0]).isAbsolute,
      'Avatar gallery differs from profile',
    );
    final login = await owner.ok(19, {});
    live.check(
      login['profile']['contact']['photoId'] == first['photoId'],
      'Avatar did not survive profile reload',
    );
    checks.add('avatar gallery and profile reload preserve current photo ID');
    final privacyRequest = await client.putUrl(
      base.resolve('/api/users/me/privacy'),
    );
    privacyRequest.headers.set(
      'Authorization',
      'Bearer ${owner.transport.token}',
    );
    privacyRequest.headers.contentType = ContentType.json;
    privacyRequest.write(
      jsonEncode({
        'phoneNumberVisibility': 'nobody',
        'lastSeenVisibility': 'nobody',
        'profilePhotoVisibility': 'nobody',
      }),
    );
    final privacyResponse = await privacyRequest.close();
    await privacyResponse.drain<void>();
    live.check(
      privacyResponse.statusCode == 200,
      'Could not restrict avatar privacy',
    );
    final privateImage = await (await client.getUrl(url)).close();
    await privateImage.drain<void>();
    live.check(
      privateImage.statusCode == 200,
      'Owner cannot display private avatar',
    );
    final anonymousImage = await (await client.getUrl(
      url.replace(query: ''),
    )).close();
    await anonymousImage.drain<void>();
    live.check(
      anonymousImage.statusCode == 404,
      'Private avatar exposed anonymously',
    );
    final scopedRequest = await client.getUrl(base.resolve('/api/users/me'));
    scopedRequest.headers.set(
      'Authorization',
      'Bearer ${url.queryParameters['access_token']}',
    );
    final scopedResponse = await scopedRequest.close();
    await scopedResponse.drain<void>();
    live.check(
      scopedResponse.statusCode == 401,
      'Avatar token granted broader API access',
    );
    checks.add(
      'private avatar renders for owner, stays hidden anonymously, and token is resource scoped',
    );
    final nextJpeg = img.encodeJpg(img.copyRotate(input, angle: 90));
    final replacement = await upload(nextJpeg);
    live.check(
      replacement['photoId'] != first['photoId'] &&
          replacement['baseUrl'] != first['baseUrl'],
      'Replacing avatar reused the old image cache key',
    );
    final oldImage = await (await client.getUrl(url)).close();
    await oldImage.drain<void>();
    live.check(
      oldImage.statusCode == 404,
      'Replaced avatar is still available',
    );
    checks.add(
      'replacement changes photo ID and URL and removes previous image',
    );
    final removed = await owner.ok(43, {'photoId': replacement['photoId']});
    live.check(
      removed['profile']['contact']['baseUrl'] == null &&
          removed['profile']['contact']['photoId'] == null,
      'Avatar deletion failed',
    );
    live.check(
      (await owner.ok(39, {'contactId': owner.id}))['urls'].isEmpty,
      'Deleted avatar remains in gallery',
    );
    checks.add('avatar deletion clears profile and gallery');
    report['passed'] = true;
  } catch (error) {
    report['error'] = error.toString();
    rethrow;
  } finally {
    report['timestamp'] = DateTime.now().toUtc().toIso8601String();
    await File(
      'artifacts/avatar-$label.json',
    ).writeAsString(const JsonEncoder.withIndent('  ').convert(report));
    stdout.writeln(jsonEncode(report));
    if (owner != null) {
      try {
        await owner.ok(199, {});
      } finally {
        await owner.close();
      }
    }
    client.close(force: true);
  }
}