import 'package:flutter_test/flutter_test.dart';
import 'package:ikar/backend/modules/messages.dart';
import 'package:ikar/frontend/screens/chats/chat/chat_controller.dart';
import 'package:ikar/models/attachment.dart';

CachedMessage videoMessage({String? thumbnail, bool payload = true}) {
  final attachment = VideoAttachment(
    videoId: 121,
    videoToken: 'synthetic-video-token',
    thumbnail: thumbnail,
    baseUrl: thumbnail,
    duration: thumbnail == null ? null : 5178,
    width: thumbnail == null ? null : 2160,
    height: thumbnail == null ? null : 3840,
  );
  return CachedMessage(
    id: '119',
    accountId: 1,
    chatId: 3,
    senderId: 1,
    text: '',
    time: 1000,
    status: 'sent',
    attachments: [attachment],
    payload: payload
        ? {
            'id': 119,
            'attaches': [attachment.toMap()],
          }
        : null,
  );
}

void main() {
  test('existing video is redrawn when its preview and metadata arrive', () {
    final controller = ChatController()..messages = [videoMessage()];
    addTearDown(controller.dispose);
    final refreshed = videoMessage(
      thumbnail: 'https://media.example.test/thumbnail?access_token=new',
    );
    expect(controller.mergeMessages([refreshed]), isTrue);
    expect(controller.messages.single, same(refreshed));
    expect(
      (controller.messages.single.attachments!.single as VideoAttachment)
          .duration,
      5178,
    );
    expect(controller.messagesRev.value, 1);
    expect(
      controller.mergeMessages([
        videoMessage(
          thumbnail: 'https://media.example.test/thumbnail?access_token=new',
        ),
      ]),
      isFalse,
    );
    expect(controller.messagesRev.value, 1);
  });

  test('refreshed signed preview URL replaces an expired URL', () {
    final controller = ChatController()
      ..messages = [
        videoMessage(
          thumbnail:
              'https://media.example.test/thumbnail?access_token=expired',
        ),
      ];
    addTearDown(controller.dispose);
    final refreshed = videoMessage(
      thumbnail: 'https://media.example.test/thumbnail?access_token=fresh',
    );
    expect(controller.mergeMessages([refreshed]), isTrue);
    expect(controller.messages.single.time, 1000);
    expect(controller.messages.single.id, '119');
    expect(controller.messages.single, same(refreshed));
  });

  test(
    'attachment updates without a raw server payload also redraw the video',
    () {
      final controller = ChatController()
        ..messages = [videoMessage(payload: false)];
      addTearDown(controller.dispose);
      final refreshed = videoMessage(
        payload: false,
        thumbnail: 'https://media.example.test/thumbnail',
      );
      expect(controller.mergeMessages([refreshed]), isTrue);
      expect(controller.messages.single, same(refreshed));
    },
  );
}