import apiFetch from '@wordpress/api-fetch'
import { CredentialsResponse } from './models'

export declare interface MybringKey {
  webShopId: string
  apiKey: string
}

const uuidRegex =
  /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
const base64Regex = /^[A-Za-z0-9+/]+={0,2}$/

export const parseMybringKey = (key: string): MybringKey | undefined => {
  const [webShopId, apiKey] = key.split(':')
  return apiKey !== undefined &&
    uuidRegex.test(webShopId) &&
    base64Regex.test(apiKey)
    ? { webShopId: webShopId.trim(), apiKey: apiKey.trim() }
    : undefined
}

export const connectToMybring = ({
  webShopId,
  apiKey,
}: MybringKey): Promise<CredentialsResponse> =>
  apiFetch<CredentialsResponse>({
    path: 'posten-bring-checkout/credentials',
    method: 'POST',
    data: { apikey: apiKey, webshop_id: webShopId },
  })

export const isKeyAccepted = ({
  validCredentials,
  validWebshopId,
  accessToWebshop,
}: CredentialsResponse): boolean =>
  validCredentials && validWebshopId && accessToWebshop