import 'dart:convert';

import 'package:flutter_test/flutter_test.dart';
import 'package:imagefind_mobile/src/api.dart';
import 'package:imagefind_mobile/src/models.dart';

void main() {
  test('resume plan skips received chunks and keeps the short final chunk', () {
    final chunks = pendingUploadChunks(
      sizeBytes: 10,
      chunkSize: 4,
      received: {1},
    );

    expect(chunks.map((item) => item.index), [0, 2]);
    expect(chunks.map((item) => item.offset), [0, 8]);
    expect(chunks.map((item) => item.length), [4, 2]);
  });

  test('SSE decoder ignores keep-alives and accepts split packets', () async {
    final bytes = Stream<List<int>>.fromIterable([
      utf8.encode(': keep-alive\n\ndata: {"type":"upload"'),
      utf8.encode(',"id":"42"}\n\n'),
    ]);

    final events = await decodeServerEvents(bytes).toList();

    expect(events, [
      {'type': 'upload', 'id': '42'},
    ]);
  });

  test('video payload keeps the dedicated download endpoint', () {
    final video = VideoRecord.fromJson({
      'id': 'video-1',
      'title': '片段',
      'duration_ms': 1000,
      'download_url': '/api/v1/videos/video-1/download',
    });

    expect(video.downloadUrl, '/api/v1/videos/video-1/download');
  });
}