import {z} from 'zod'

export type RetrieveDataReq = {merchant_id?: string | undefined, merchant_customer_id?: string | undefined, card_reference?: string | undefined};

export type JWEReq = {header?: string | undefined, iv?: string | undefined, encrypted_payload?: string | undefined, tag?: string | undefined, encrypted_key?: string | undefined};

export type CreateApiDataRetrieveArgs = {'x-tenant-id'?: string | undefined, body: RetrieveDataReq | JWEReq};

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

export const cardNetwork = z.enum(["Visa", "Mastercard", "AmericanExpress", "JCB", "DinersClub", "Discover", "CartesBancaires", "UnionPay", "Interac", "RuPay", "Maestro", "Star", "Pulse", "Accel", "Nyce", "Prop", "PrivateLabel", "Dinacard"]);

export const card = z.object({card_number: z.string(), card_exp_month: z.string(), card_exp_year: z.string(), card_holder_name: z.string(), card_cvc: z.string(), card_issuer: z.string().nullable().optional(), card_network: cardNetwork.nullable().optional(), card_type: z.string().nullable().optional(), card_issuing_country: z.string().nullable().optional(), card_issuing_country_code: z.string().nullable().optional(), bank_code: z.string().nullable().optional(), nick_name: z.string().nullable().optional()});

export const retrieveRes = z.union([z.object({card: card.optional()}), z.object({enc_card_data: z.string().optional()})]);

export const retrieveDataRes = z.object({status: z.literal("Ok").optional(), payload: retrieveRes.optional()});

export const jWERes = z.object({header: z.string().optional(), iv: z.string().optional(), encrypted_payload: z.string().optional(), tag: z.string().optional(), encrypted_key: z.string().optional()});

export const createApiDataRetrieveResponse = z.union([retrieveDataRes, jWERes]);

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
};

/**
 * Retrieve Data from Locker
 * 
 * POST /data/retrieve
 */
export const createApiDataRetrieve = async (args: CreateApiDataRetrieveArgs, options: CreateApiDataRetrieveOptions) => {
const {baseUrl, 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['x-tenant-id'] != null) headers.set("x-tenant-id", String(args['x-tenant-id']))

const url = `${baseUrl.replace(/\/+$/, '')}/data/retrieve${query.size > 0 ? `?${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(createApiDataRetrieveResponse, await res.json())
};