import 'dart:convert';

import 'package:http/http.dart' as http;
import 'package:http/testing.dart';
import 'package:swarm/swarm.dart';
import 'package:test/test.dart';

const _pubkey =
    '7e7e9c42a91bfef19fa929e5fda1b72e0ebc1a4c1141673e2794234d86addf4e';

void main() {
  group('nip05MatchesPubkey (pure)', () {
    test('true when names maps the name to the pubkey', () {
      final body = jsonEncode({
        'names': {'alice': _pubkey},
      });
      expect(nip05MatchesPubkey(body, 'alice', _pubkey), isTrue);
    });

    test('case-insensitive on the pubkey', () {
      final body = jsonEncode({
        'names': {'alice': _pubkey.toUpperCase()},
      });
      expect(nip05MatchesPubkey(body, 'alice', _pubkey), isTrue);
    });

    test('false on name mismatch, missing name, or junk', () {
      final body = jsonEncode({
        'names': {'alice': _pubkey},
      });
      expect(nip05MatchesPubkey(body, 'bob', _pubkey), isFalse);
      expect(
        nip05MatchesPubkey(jsonEncode({'names': {}}), 'alice', _pubkey),
        isFalse,
      );
      expect(nip05MatchesPubkey('not json', 'alice', _pubkey), isFalse);
    });
  });

  group('verifyNip05 (mocked HTTP)', () {
    test('verifies a well-formed match and queries the right URL', () async {
      late Uri requested;
      final client = MockClient((req) async {
        requested = req.url;
        return http.Response(
          jsonEncode({
            'names': {'alice': _pubkey},
          }),
          200,
        );
      });

      final ok = await verifyNip05('alice@example.com', _pubkey,
          client: client);
      expect(ok, isTrue);
      expect(requested.host, equals('example.com'));
      expect(requested.path, equals('/.well-known/nostr.json'));
      expect(requested.queryParameters['name'], equals('alice'));
    });

    test('false on name mismatch', () async {
      final client = MockClient((req) async => http.Response(
            jsonEncode({
              'names': {'alice': 'deadbeef'},
            }),
            200,
          ));
      expect(
        await verifyNip05('alice@example.com', _pubkey, client: client),
        isFalse,
      );
    });

    test('false on non-200', () async {
      final client = MockClient((req) async => http.Response('', 404));
      expect(
        await verifyNip05('alice@example.com', _pubkey, client: client),
        isFalse,
      );
    });

    test('false on malformed identifier', () async {
      final client = MockClient((req) async => http.Response('', 200));
      expect(await verifyNip05('no-at-sign', _pubkey, client: client), isFalse);
      expect(await verifyNip05('@example.com', _pubkey, client: client),
          isFalse);
    });
  });
}