import '../server/protocol.dart';
import 'backend.dart';
import 'cups_backend.dart' show noopLog;

/// mock 后端：无打印机模拟全流程（打印 2.5 秒完成），供联调协议。
class MockBackend implements PrintBackend {
  MockBackend({void Function(String line)? onLog}) : _log = onLog ?? noopLog;

  final void Function(String line) _log;

  @override
  String get name => 'mock';

  @override
  Future<PrinterStatus> getStatus() async => PrinterStatus(
        online: true,
        model: 'HiTi CS-200e',
        firmware: 'v1.03',
        connection: 'USB',
        ribbon: RibbonInfo(type: 'YMCKO', remain: 63, remainCount: 63),
        cardLow: false,
        cardLeft: 87,
        status: 0,
        statusText: '就绪',
      );

  @override
  Future<void> printOneCard(PrintRequest request) async {
    _log('[mock] 模拟打印任务（份数 ${request.copies}）');
    await Future<void>.delayed(const Duration(milliseconds: 2500));
  }
}