import {z} from 'zod'

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

export const networkTokenization = z.object({provisioned: z.boolean().optional(), token_status: z.string().optional(), token_reference: z.string().optional(), token_first_six_digits: z.string().optional(), token_last_four_digits: z.string().optional(), token_created_at: z.string().optional(), token_updated_at: z.string().optional(), attempted: z.boolean().optional(), errors: z.array(z.object({key: z.string().optional(), message: z.string().optional(), action: z.string().optional()})).optional()});

export const provisionNetworkTokenResponse = z.object({transaction: z.object({token: z.string().optional(), payment_method_key: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), succeeded: z.boolean().optional(), transaction_type: z.string().optional(), state: z.string().optional(), network_tokenization: networkTokenization.optional(), message_key: z.string().optional(), message: 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
};

/**
 * Provision a Network Token for a payment method
 * 
 * POST /network_tokenization/provision.{format}?payment_method_token={payment_method_token}
 */
export const createApiNetworkTokenizationProvisionFormatPaymentMethodTokenPaymentMethodToken = async (options?: CreateApiNetworkTokenizationProvisionFormatPaymentMethodTokenPaymentMethodTokenOptions) => {
const {baseUrl = "https://core.spreedly.com/v1", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/network_tokenization/provision.${encodeURIComponent(String(args.format))}?payment_method_token=${encodeURIComponent(String(args.payment_method_token))}${query.size > 0 ? `?${query}` : ''}`

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

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

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