pangolin/client/lib/services/payment_api.dart

// payment_api.dart — /v1/pay 代理端点封装(JWT 经 ApiClient 自动注入)。
import '../models/payment.dart';
import 'api_client.dart';

class PaymentApi {
  PaymentApi(this._c);
  final ApiClient _c;

  Future<List<PayCatalogItem>> catalog() async {
    final body = await _c.getJson('/v1/pay/catalog');
    final items = (body['items'] as List<dynamic>?) ?? const [];
    return [for (final it in items) PayCatalogItem.fromJson(it as Map<String, dynamic>)];
  }

  Future<PayOrder> createOrder({
    required String sku,
    required String method,
    Map<String, String>? metadata,
  }) async =>
      PayOrder.fromJson(await _c.postJson('/v1/pay/orders', {
        'sku': sku,
        'method': method,
        if (metadata != null && metadata.isNotEmpty) 'metadata': metadata,
      }));

  Future<PayOrderStatus> orderStatus(String orderNo) async =>
      PayOrderStatus.fromJson(await _c.getJson('/v1/pay/orders/$orderNo'));

  /// 订单列表(倒序;纯本地台账,不逐单回查 pay 上游)。
  Future<List<PayOrderSummary>> listOrders() async {
    final body = await _c.getJson('/v1/pay/orders');
    final items = (body['orders'] as List<dynamic>?) ?? const [];
    return [for (final it in items) PayOrderSummary.fromJson(it as Map<String, dynamic>)];
  }

  Future<PayOrder> retry(String orderNo, {required String method, Map<String, String>? metadata}) async =>
      PayOrder.fromJson(await _c.postJson('/v1/pay/orders/$orderNo/retry', {
        'method': method,
        if (metadata != null && metadata.isNotEmpty) 'metadata': metadata,
      }));

  Future<void> cancel(String orderNo) async {
    await _c.postJson('/v1/pay/orders/$orderNo/cancel');
  }
}