// 生成 1014×642 测试卡 PNG（真实打印验收用），默认输出 build/test_card.png
//   dart run tool/make_test_card.dart [输出路径]
import 'dart:io';

import 'package:image/image.dart';

Future<void> main(List<String> args) async {
  final img = Image(width: 1014, height: 642);
  fill(img, color: ColorRgb8(255, 255, 255));

  // 边框
  drawRect(img, x1: 8, y1: 8, x2: 1005, y2: 633, color: ColorRgb8(0, 120, 215));

  // CMYK 色块：验证四色分色与套印
  fillRect(img, x1: 60, y1: 60, x2: 300, y2: 300, color: ColorRgb8(0, 174, 239));
  fillRect(img, x1: 320, y1: 60, x2: 560, y2: 300, color: ColorRgb8(236, 0, 140));
  fillRect(img, x1: 580, y1: 60, x2: 820, y2: 300, color: ColorRgb8(255, 221, 0));
  fillRect(img, x1: 840, y1: 60, x2: 960, y2: 300, color: ColorRgb8(0, 0, 0));

  drawString(img, 'DESKTOP-PLUGIN TEST CARD', font: arial24, x: 60, y: 360, color: ColorRgb8(20, 20, 20));
  drawString(
    img,
    'flutter print verify  ${DateTime.now().toIso8601String().substring(0, 19)}',
    font: arial14,
    x: 60,
    y: 420,
    color: ColorRgb8(90, 90, 90),
  );
  drawString(img, '127.0.0.1:38200  /api/card-printer/print', font: arial14, x: 60, y: 450, color: ColorRgb8(90, 90, 90));

  final png = encodePng(img);
  final out = args.isNotEmpty ? args.first : 'build/test_card.png';
  final file = File(out);
  await file.parent.create(recursive: true);
  await file.writeAsBytes(png);
  // ignore: avoid_print
  print('written $out (${png.length} bytes)');
}