從第一個請求，
到您的網站與 App。

# 在您的伺服器或本機終端機設定，請替換網域與 Key
export FORTUNE_BASE_URL="https://fate-api.allcares.app"
export FORTUNE_API_KEY="貼上您的完整_API_Key"

curl "$FORTUNE_BASE_URL/api/proxy/name" \
  -H "X-API-Key: $FORTUNE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"surname":"楊","givenName":"德","gender":"M"}'

// 網頁只呼叫自己網站的後端；使用既有登入 Cookie
async function calculateName(surname, givenName) {
  const response = await fetch('/api/fortune/name', {
    method: 'POST',
    credentials: 'same-origin',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ surname, givenName, gender: 'M' }),
  });
  const data = await response.json();
  if (!response.ok || data.success === false) {
    throw new Error(data.error ?? '試算失敗');
  }
  return data; // 姓名結果使用 data.grids、data.strokes
}

// 先執行 flutter pub add http
import 'dart:convert';
import 'package:http/http.dart' as http;

Future<Map<String, dynamic>> calculateName({
  required Uri yourBackendUrl, // 例如 https://您的後端/api/fortune/name
  required String userAccessToken, // 您自己的 App 登入 token
  required String surname,
  required String givenName,
}) async {
  final response = await http.post(
    yourBackendUrl,
    headers: {
      'Content-Type': 'application/json',
      'Authorization': 'Bearer $userAccessToken',
    },
    body: jsonEncode({ 'surname': surname, 'givenName': givenName, 'gender': 'M' }),
  ).timeout(const Duration(seconds: 20));
  final data = jsonDecode(utf8.decode(response.bodyBytes)) as Map<String, dynamic>;
  if (response.statusCode < 200 || response.statusCode >= 300 || data['success'] == false) {
    throw Exception(data['error'] ?? '試算失敗');
  }
  return data;
}