import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/services/profile_cache.dart';
import 'package:tane/ui/avatar.dart';
import 'package:tane/ui/peer_avatar.dart';
import 'package:tane/ui/seed_glyph.dart';

import '../support/test_support.dart';

void main() {
  group('avatar value scheme', () {
    test('legacy seed-illustration names still map to a glyph; unknown → null',
        () {
      expect(avatarGlyphChar('jars'), isNotNull);
      expect(avatarGlyphChar('sack'), isNotNull);
      expect(avatarGlyphChar('nope'), isNull);
    });
  });

  group('peerAvatarColor', () {
    test('is deterministic for the same pubkey', () {
      expect(peerAvatarColor('ab' * 32), peerAvatarColor('ab' * 32));
    });

    test('differs for different pubkeys', () {
      expect(peerAvatarColor('ab' * 32), isNot(peerAvatarColor('cd' * 32)));
    });

    test('is fully opaque (legible disc)', () {
      expect(peerAvatarColor('feed').a, 1.0);
    });
  });

  group('PeerAvatar', () {
    Widget host(Widget child) => MaterialApp(
      home: Scaffold(body: Center(child: child)),
    );

    testWidgets('shows the name initial when known', (tester) async {
      await tester.pumpWidget(host(PeerAvatar(pubkey: 'aa', name: 'rosa')));
      expect(find.text('R'), findsOneWidget); // uppercased first letter
    });

    testWidgets('falls back to a person icon when the name is unknown', (
      tester,
    ) async {
      await tester.pumpWidget(host(const PeerAvatar(pubkey: 'aa')));
      expect(find.byIcon(Icons.person_outline), findsOneWidget);
      expect(find.byType(Text), findsNothing);
    });

    testWidgets('renders a seed illustration when the avatar is a token', (
      tester,
    ) async {
      await tester.pumpWidget(host(const PeerAvatar(
          pubkey: 'aa', name: 'rosa', picture: 'tane:seed:jars')));
      expect(find.byType(SeedGlyph), findsOneWidget);
      expect(find.text('R'), findsNothing); // the initial isn't used
    });
  });

  group('CachedAvatar', () {
    Widget host(Widget child) => MaterialApp(
      home: Scaffold(body: Center(child: child)),
    );

    testWidgets('paints the cached illustration for the peer', (tester) async {
      final cache = ProfileCache(InMemorySecretStore());
      await cache.setPicture('peer1', 'tane:seed:sack');
      await tester.pumpWidget(host(
          CachedAvatar(pubkey: 'peer1', name: 'Bea', cache: cache)));
      await tester.pumpAndSettle();
      expect(find.byType(SeedGlyph), findsOneWidget);
    });

    testWidgets('falls back to the initial when nothing is cached', (
      tester,
    ) async {
      final cache = ProfileCache(InMemorySecretStore());
      await tester.pumpWidget(host(
          CachedAvatar(pubkey: 'peer2', name: 'Bea', cache: cache)));
      await tester.pumpAndSettle();
      expect(find.text('B'), findsOneWidget);
    });

    testWidgets('no cache → the coloured-initial disc', (tester) async {
      await tester.pumpWidget(host(const CachedAvatar(pubkey: 'x', name: 'Bea')));
      expect(find.text('B'), findsOneWidget);
    });
  });
}