import { PaymentMethod, PaymentPayParams, PaymentProvider, PaymentRefundParams, PaymentUsageScene } from "./payment.js";
import { PaymentAction, PaymentFlowEvent } from "./interaction.js";
import { PaymentRequestClient } from "./transport.js";

//#region src/plus/piPaymentOld/sdk/contracts/provider.d.ts
/** 单个 Session 首次启动后锁定的业务操作。 */
type PaymentOperation = 'pay' | 'refund';
/** Provider 的一次交易执行器；实例不复用，重试会重新创建。 */
interface PaymentFlow {
  pay(params: PaymentPayParams): void;
  refund(params: PaymentRefundParams): void;
  action(action: PaymentAction, inputValues?: Record<string, string>): void;
  destroy(): void;
}
/** 创建 Flow 时由 Session 注入的稳定上下文和事件出口。 */
interface PaymentFlowContext {
  sessionId: string;
  paymentMethod: PaymentMethod;
  paymentProvider: PaymentProvider;
  salesId: string;
  usageScene?: PaymentUsageScene;
  operation: PaymentOperation;
  number: string;
  requestUniqueIdempotencyToken: string;
  request: PaymentRequestClient;
  emit: (event: PaymentFlowEvent) => void;
}
/** Provider 声明的能力，用于 Session 在调用前快速拒绝不支持的操作。 */
interface PaymentProviderCapabilities {
  pay: boolean;
  refund: boolean;
  actions: boolean;
  resume: boolean;
}
/** 支付厂商适配器：把支付方式/厂商组合映射为对应的 Flow。 */
interface PaymentProviderAdapter {
  id: PaymentProvider;
  method: PaymentMethod;
  transport: 'sci' | 'spi' | 'custom';
  capabilities: PaymentProviderCapabilities;
  createFlow(context: PaymentFlowContext): PaymentFlow;
}
//#endregion
export { PaymentFlow, PaymentFlowContext, PaymentOperation, PaymentProviderAdapter, PaymentProviderCapabilities };