kitchen/scripts/test_pic_id_api.dart

// 2026-04-11 | test_pic_id_api | 测试API连通性+完整Fallback链
// 用法: dart scripts/test_pic_id_api.dart

import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';

const String _baseUrl = 'http://eat.wktyl.com/api';
const String _picBase = 'http://eat.wktyl.com/api/assets/pic';

void main() async {
  print('API 连通性 + 完整图片Fallback链测试\n');

  await testApiConnectivity();
  await testPicIdField();
  await testFullFallbackChain();
  await testMultipleRecipes();

  print('✅ 全部测试完成');
}

Future<void> testApiConnectivity() async {
  print('📡 [1/4] API 基础连通性');

  final endpoints = [
    ('api.php?act=list&page=1&limit=3', '菜谱列表'),
    ('api.php?act=categories&type=recipe', '分类列表'),
    ('api.php?act=tags&limit=5', '标签列表'),
    ('assets/back.png', '默认图back.png'),
  ];

  for (final (path, name) in endpoints) {
    try {
      final sw = Stopwatch()..start();
      final url = path.startsWith('assets')
          ? '$_baseUrl/$path'
          : '$_baseUrl/$path';
      final result = await httpGet(url);
      sw.stop();

      if (path.startsWith('assets')) {
        print('   ✅ $name (${sw.elapsedMilliseconds}ms, ${result.length}B)');
      } else if (result['code'] == 200) {
        print('   ✅ $name (${sw.elapsedMilliseconds}ms)');
      } else {
        print('   ❌ $name → code=${result['code']}');
      }
    } catch (e) {
      print('   ❌ $name → $e'.substring(0, 50));
    }
  }
}

Future<void> testPicIdField() async {
  print('[2/4] pic_id 字段解析');

  try {
    final result = await httpGet('$_baseUrl/api.php?act=full&id=32891');
    final data = result['data'];
    if (data == null) {
      print('❌ 无数据');
      return;
    }

    print('菜谱: ${data['title']} (#${data['id']})');
    print('pic_id: ${data['pic_id']}, recipe_id: ${data['id']}');

    if (data['pic_id'] != null) {
      print('✅ pic_id 有效');
    } else {
      print('⚠️ pic_id 为null，回退使用 recipe_id');
    }
  } catch (e) {
    print('❌ 异常: $e');
  }
}

Future<void> testFullFallbackChain() async {
  print('[3/4] 完整Fallback链可达性测试 (pic_id=7640)');

  const int picId = 7640;

  final chain = [
    ('① coverUrl', '', false),
    ('② {picId}a.jpg', '$_picBase/${picId}a.jpg', true),
    ('③ {picId}b.jpg', '$_picBase/${picId}b.jpg', true),
    ('④ {picId}.jpg', '$_picBase/$picId.jpg', true),
    ('⑤ back.png', '$_baseUrl/assets/back.png', true),
    ('⑥ 本地error.png', 'assets/data/photos/error.png', false),
    ('⑦ 空白占位', '', false),
  ];

  for (final (label, url, isNetwork) in chain) {
    if (url.isEmpty) {
      if (label.contains('本地')) {
        final file = File(url);
        if (file.existsSync()) {
          print('✅ $label → 文件存在');
        } else {
          print('❌ $label → 文件不存在');
        }
      }
      continue;
    }

    try {
      final sw = Stopwatch()..start();

      Uint8List? bytes;
      int statusCode;

      if (isNetwork) {
        final client = HttpClient();
        client.connectionTimeout = const Duration(seconds: 6);
        final req = await client.getUrl(Uri.parse(url));
        final resp = await req.close();
        statusCode = resp.statusCode;
        final bb = await resp.fold<BytesBuilder>(
          BytesBuilder(),
          (b, d) => b..add(d),
        );
        bytes = bb.toBytes();
        client.close();
      } else {
        bytes = File(url).readAsBytesSync();
        statusCode = 200;
      }

      sw.stop();

      final ok = isNetwork
          ? (statusCode == 200 && (bytes?.length ?? 0) > 100)
          : (bytes != null && bytes!.length > 0);

      if (ok) {
        final sizeKB = ((bytes!.length) / 1024).toStringAsFixed(1);
        print('✅ $label → ${sw.elapsedMilliseconds}ms ($sizeKB KB)');
      } else {
        print('⚠️ $label → HTTP $statusCode (${bytes?.length ?? 0}B)');
      }
    } catch (e) {
      print('❌ $label → 异常');
    }
  }
}

Future<void> testMultipleRecipes() async {
  print('[4/4] 多菜谱 pic_id 对比');

  for (final id in [32891, 32892, 32893]) {
    try {
      final r = await httpGet('$_baseUrl/api.php?act=full&id=$id');
      final d = r['data'];
      if (d == null) continue;

      final rid = d['id'];
      final pid = d['pic_id'];
      final diff = (rid == pid) ? '⚠️相同' : '✅不同';

      print('#$rid pic_id=$pid $diff');
    } catch (_) {}
  }
}

Future<Map<String, dynamic>> httpGet(String url) async {
  final client = HttpClient();
  client.connectionTimeout = const Duration(seconds: 10);
  final request = await client.getUrl(Uri.parse(url));
  final response = await request.close();
  final body = await response.transform(utf8.decoder).join();
  client.close();
  return json.decode(body) as Map<String, dynamic>;
}