import {z} from 'zod'

export type GetApiV1PspEidasArgs = {fi_reference_id: string, transaction_reference?: string | undefined, version: string, eidas: string, jurisdiction: string};

export type GetApiV1PspEidasOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const valideIDAS = z.object({eIDAS: z.object({validity: z.object({validQTSP: z.boolean().optional(), validSignature: z.boolean().optional(), notRevoked: z.boolean().optional(), notExpired: z.boolean().optional()}).optional(), data: z.object({QTSPCommonName: z.string().nullable().optional(), authNumber: z.string().nullable().optional(), pspSubjectName: z.string().nullable().optional(), QTSPSource: z.string().optional(), QTSPJurisdiction: z.string().optional()}).optional(), errors: z.array(z.object({code: z.string().optional(), title: z.string().optional(), link: z.string().optional()})).optional()}).optional(), homeRegister: z.object({ncaName: z.string().nullable().optional(), ncaCountryCode: z.string().optional(), registerType: z.string().optional(), categoryEntries: z.array(z.object({categoryName: z.string().optional(), pspLegalName: z.string().optional(), pspAuthStatus: z.string().optional(), pspPaymentServices: z.array(z.number().int()).optional(), passportOut: z.object({countryCode: z.string().optional(), paymentServices: z.array(z.number().int()).optional()}).optional()})).optional()}).optional(), hostRegister: z.object({ncaName: z.string().nullable().optional(), ncaCountryCode: z.string().optional(), registerType: z.string().optional(), categoryEntries: z.array(z.object({categoryName: z.string().optional(), pspLegalName: z.string().optional(), pspAuthStatus: z.string().optional(), passportIn: z.object({paymentServices: z.array(z.number().int()).optional()}).optional()})).optional(), warning: z.array(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
};

/**
 * Returns regulatory data based for a PSP based on a passed eIDAS certificate.
 * 
 * GET /v1/psp/eidas
 */
export const getApiV1PspEidas = async (args: GetApiV1PspEidasArgs, options?: GetApiV1PspEidasOptions) => {
const {baseUrl = "https://sandbox.konsentus.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.fi_reference_id != null) headers.set("fi_reference_id", String(args.fi_reference_id))
if (args.transaction_reference != null) headers.set("transaction_reference", String(args.transaction_reference))
if (args.version != null) headers.set("version", String(args.version))
if (args.eidas != null) headers.set("eidas", String(args.eidas))
if (args.jurisdiction != null) query.append("jurisdiction", String(args.jurisdiction))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/psp/eidas${query.size > 0 ? `?${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(valideIDAS, await res.json())
};