import {z} from 'zod'

export type PaymentOptionsRequestPaymentSource = {paymentOption?: ({nickName?: string | undefined, isDefault?: string | undefined, sourceId?: string | undefined}) | undefined, shopper?: ({ipAddress?: string | undefined}) | undefined};

export type PaymentOptionsRequestLegacy = {paymentOption?: ({nickName?: string | undefined, isDefault?: string | undefined, creditCard?: ({expirationMonth?: number | undefined, expirationYear?: number | undefined, displayableNumber?: string | undefined, cardSecurityCode?: string | undefined, type?: string | undefined}) | undefined}) | undefined, shopper?: ({ipAddress?: string | undefined}) | undefined};

export type CreateApiV1ShoppersMePaymentOptionsArgs = {token?: string | undefined, expand?: string | undefined, fields?: string | undefined, body: PaymentOptionsRequestPaymentSource | PaymentOptionsRequestLegacy};

export type CreateApiV1ShoppersMePaymentOptionsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const paymentOptionsResponsePaymentSourceForPost = z.object({uri: z.string().optional(), id: z.number().optional(), nickName: z.string().optional(), isDefault: z.string().optional(), type: z.string().optional(), sourceId: z.string().optional(), sourceClientSecret: z.string().optional(), creditCard: z.object({expirationYear: z.string().optional(), lastFourDigits: z.string().optional(), clientSecret: z.string().optional(), expirationMonth: z.string().optional(), fundingSource: z.string().optional(), brand: z.string().optional(), reusable: z.string().optional()}).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
};

/**
 * Create the shopper payment options
 * 
 * POST /v1/shoppers/me/payment-options
 */
export const createApiV1ShoppersMePaymentOptions = async (args: CreateApiV1ShoppersMePaymentOptionsArgs, options?: CreateApiV1ShoppersMePaymentOptionsOptions) => {
const {baseUrl = "https://api.digitalriver.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.token != null) query.append("token", String(args.token))
if (args.expand != null) query.append("expand", String(args.expand))
if (args.fields != null) query.append("fields", String(args.fields))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/shoppers/me/payment-options${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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