import {z} from 'zod'

export type CartParameters = {sellerId: string, sellerCategory: string, name?: string | undefined, description?: string | undefined, quantity?: number | undefined, price?: number | undefined, number?: string | undefined};

export type TransactionSplitPayment = {merchantId: number, posId: number, sessionId: string, amount: number, currency: string, description: string, email: string, client?: string | undefined, address?: string | undefined, zip?: string | undefined, city?: string | undefined, country: string, phone?: string | undefined, language: string, method?: number | undefined, urlReturn: string, urlStatus?: string | undefined, timeLimit?: number | undefined, channel?: number | undefined, shipping?: number | undefined, transferLabel?: string | undefined, sdkVersion?: string | undefined, sign: string, encoding?: string | undefined, cart?: Array<CartParameters> | undefined, methodRefId?: string | undefined, splitPaymentDetails: {vatAmount: number, invoiceNumber: string, nip: string, iban?: string | undefined}};

export type CreateApiApiV1TransactionRegisterSplitpaymentArgs = {body: TransactionSplitPayment};

export type CreateApiApiV1TransactionRegisterSplitpaymentOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const transactionRegistrationResponse = z.object({data: z.object({token: z.string().optional()}).optional(), responseCode: z.number().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
};

/**
 * Split Payment
 * 
 * POST /api/v1/transaction/register/splitpayment
 */
export const createApiApiV1TransactionRegisterSplitpayment = async (args: CreateApiApiV1TransactionRegisterSplitpaymentArgs, options?: CreateApiApiV1TransactionRegisterSplitpaymentOptions) => {
const {baseUrl = "https://sandbox.przelewy24.pl", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/transaction/register/splitpayment${query.size > 0 ? `?${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(transactionRegistrationResponse, await res.json())
};