import core from "@nestia/core";
import { Controller } from "@nestjs/common";
import { IIamportPayment } from "iamport-server-api/lib/structures/IIamportPayment";
import { IIamportResponse } from "iamport-server-api/lib/structures/IIamportResponse";
import { IIamportUser } from "iamport-server-api/lib/structures/IIamportUser";

import { IIamportPaymentCancel } from "../api/structures/IIamportPaymentCancel";
import { FakeIamportUserAuth } from "../decorators/FakeIamportUserAuth";
import { FakeIamportPaymentProvider } from "../providers/FakeIamportPaymentProvider";
import { FakeIamportResponseProvider } from "../providers/FakeIamportResponseProvider";
import { FakeIamportStorage } from "../providers/FakeIamportStorage";

@Controller("payments")
export class FakeIamportPaymentsController {
  /**
   * 결제 기록 열람하기.
   *
   * 아임포트를 통하여 발생한 결제 기록을 열람한다.
   *
   * @param imp_uid 대상 결제 기록의 {@link IIamportPayment.imp_uid}
   * @param query 결제 수단이 페이팔인 경우에 사용
   * @returns 결제 정보
   *
   * @security bearer
   * @author Samchon
   */
  @core.TypedRoute.Get(":imp_uid")
  public at(
    @FakeIamportUserAuth() _user: IIamportUser.IAccessor,
    @core.TypedParam("imp_uid") imp_uid: string,
    @core.TypedQuery() query: IIamportPayment.IQuery,
  ): IIamportResponse<IIamportPayment> {
    query;
    const payment: IIamportPayment = FakeIamportStorage.payments.get(imp_uid);
    return FakeIamportResponseProvider.success(payment);
  }

  /**
   * 결제 취소하기.
   *
   * 만약 가상 계좌를 통한 결제였다면, 반드시 환불 계좌 정보를 입력해줘야 한다.
   *
   * @param input 결제 취소 입력 정보
   * @returns 취소된 결제 정보
   *
   * @security bearer
   * @author Samchon
   */
  @core.TypedRoute.Post("cancel")
  public cancel(
    @FakeIamportUserAuth() _user: IIamportUser.IAccessor,
    @core.TypedBody() input: IIamportPaymentCancel.ICreate,
  ): IIamportResponse<IIamportPayment> {
    const payment: IIamportPayment = FakeIamportStorage.payments.get(
      input.imp_uid,
    );
    FakeIamportPaymentProvider.cancel(payment, input);
    return FakeIamportResponseProvider.success(payment);
  }
}