import 'dart:typed_data';

abstract class ChatApi {
  Future<Map<String, dynamic>> createRun(Map<String, dynamic> runInput);

  Future<Stream<String>> streamRunEvents(
    String threadId, {
    required String runId,
    String? lastEventId,
  });

  Future<Map<String, dynamic>> fetchHistory({
    String? threadId,
    DateTime? beforeDate,
  });

  Future<Map<String, dynamic>> uploadAttachment({
    required String threadId,
    required String filename,
    required String mimeType,
    required Uint8List bytes,
  });

  Future<Uint8List> fetchAttachmentPreview(String previewPath);

  Future<String> transcribeAudio(String filePath);

  Future<void> cancelRun({required String threadId, required String runId});
}