import {z} from 'zod'

export type Biometric = {index?: number | undefined, content?: string | undefined, width?: number | undefined, height?: number | undefined, resolution?: number | undefined};

export type MissingBiometric = {index?: number | undefined, type?: ('AMPUTATED' | 'UNAVAILABLE') | undefined, reason?: string | undefined};

export type UserTransaction = {biometrics?: Array<Biometric> | undefined, missingBiometrics?: Array<MissingBiometric> | undefined, userId?: string | undefined, operatorId?: string | undefined, timestamp?: number | undefined};

export type UserTransactionRequest = {data?: UserTransaction | undefined};

export type CreateApiGbsSpidServerVerifyArgs = {body: UserTransactionRequest};

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

export const externalResult = z.object({id: z.string().optional(), message: z.string().optional(), status: z.enum(["OK", "SEARCH_PENDING", "SEARCH_ENQUEUED", "SEARCH_MATCH", "SEARCH_NOT_MATCH", "SEARCH_FAILED", "ENROLL_PENDING", "ENROLL_ENQUEUED", "ENROLL_CACHE_OK", "ENROLL_OK", "ENROLL_FAILED", "ENROLL_EXCEPTION", "DELETE_OK", "DELETE_FAILED", "DELETE_PENDING", "REMOTE_CAPTURE_ACCEPTED", "REMOTE_CAPTURE_REFUSED", "REMOTE_CAPTURE_PENDING", "REMOTE_CAPTURE_AVAILABLE", "REMOTE_CAPTURE_STORED", "FRAUD", "ERROR", "ENROLL_REJECTED", "PERSON_NOT_FOUND"]).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
};

/**
 * verify
 * 
 * POST /gbs-spid-server/verify
 */
export const createApiGbsSpidServerVerify = async (args: CreateApiGbsSpidServerVerifyArgs, options?: CreateApiGbsSpidServerVerifyOptions) => {
const {baseUrl = "http://<ip>:8085/gbds/v2", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/gbs-spid-server/verify${query.size > 0 ? `?${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(externalResult, await res.json())
};