import {z} from 'zod'

export type GetApiApiV3ShoppingFepSettlementStepsArgs = {dateCondition: 'PAYOUT_DATE' | 'PAYOUT_BASE_DATE' | 'TRANSACTION_DATE' | 'DIFF_SETTLEMENT_PAYOUT_DATE', nextToken?: string | undefined, fromDate: string, toDate: string, size: number, partnerName?: string | undefined};

export type GetApiApiV3ShoppingFepSettlementStepsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getSettlementFepResponse = z.object({orderId: z.number().int(), orderProductId: z.number().int().optional(), merchantId: z.number().int(), transactionTs: z.string(), originTransactionTs: z.string().optional(), confirmedAt: z.string().optional(), payoutDate: z.string().optional(), diffSettlementPayoutDate: z.string().optional(), productId: z.number().int().optional(), stockId: z.number().int().optional(), displayProductName: z.string(), stockPrice: z.number().int(), orderProductStatus: z.enum(["CANCELED_PAYMENT", "CONFIRMED_ORDER", ""]), stepType: z.enum(["PAY", "REFUND"]), quantity: z.number().int(), orderProductPrice: z.number().int(), orderProductPaidAmount: z.number().int(), payFeeRate: z.string(), productFeeRate: z.string(), payFee: z.number().int(), payVat: z.number().int(), productFee: z.number().int(), productVat: z.number().int(), feeBaseAmount: z.number().int(), tossPayDiscount: z.number().int(), tossPayPoint: z.number().int(), settlementAmount: z.number().int(), shoppingDiscount: z.number().int(), deliveryFeeAmount: z.number().int().optional(), shoppingDiscountToss: z.number().int().optional(), shoppingDiscountMerchant: z.number().int().optional(), payoutBaseDate: z.string().optional()});

export const getSettlementListFepResponse = z.object({items: z.array(getSettlementFepResponse), nextToken: z.string()});

export const getApiApiV3ShoppingFepSettlementStepsResponse = z.object({resultType: z.enum(["SUCCESS", "FAIL"]).optional(), error: z.object({errorCode: z.enum(["INVALID_REQUEST", "INVALID_DATE_RANGE", "REQUEST_FAILED", "INVALID_ARGUMENT", "UNKNOWN"]).optional(), reason: z.string().optional()}).optional(), success: getSettlementListFepResponse.optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * 정산 건별 목록 조회
 * 
 * GET /api/v3/shopping-fep/settlement-steps
 */
export const getApiApiV3ShoppingFepSettlementSteps = async (args: GetApiApiV3ShoppingFepSettlementStepsArgs, options?: GetApiApiV3ShoppingFepSettlementStepsOptions) => {
const {baseUrl = "https://oauth2.cert.toss.im", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.dateCondition != null) query.append("dateCondition", String(args.dateCondition))
if (args.nextToken != null) query.append("nextToken", String(args.nextToken))
if (args.fromDate != null) query.append("fromDate", String(args.fromDate))
if (args.toDate != null) query.append("toDate", String(args.toDate))
if (args.size != null) query.append("size", String(args.size))
if (args.partnerName != null) query.append("partnerName", String(args.partnerName))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/shopping-fep/settlement-steps${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiApiV3ShoppingFepSettlementStepsResponse, await res.json())
};