import {z} from 'zod'

export type GetApiDomainsNameDnsNameserversArgs = {name: string, $expand?: Array<'dnssec'> | undefined};

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

export const dnssecAlgorithm = z.union([z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6), z.literal(7), z.literal(8), z.literal(10), z.literal(12), z.literal(13), z.literal(14), z.literal(15), z.literal(16), z.literal(17), z.literal(23), z.literal(252), z.literal(253), z.literal(254)]);

export const dnssecDigestType = z.union([z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6)]);

export const domainDnsNameServersResponseDnssecItem = z.object({keyTag: z.number(), algorithm: dnssecAlgorithm, digestType: dnssecDigestType, digest: z.string()});

export const domainDnsNameServersResponseDnssec = z.object({enabled: z.boolean(), items: z.array(domainDnsNameServersResponseDnssecItem).optional(), validation: z.object({valid: z.boolean()}).optional()});

export const domainDnsNameServersResponse = z.object({"@type": z.literal("unstoppabledomains.com/partner.v3.NameServerListResult"), items: z.array(z.string()), dnssec: domainDnsNameServersResponseDnssec});

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
};

/**
 * Get nameservers
 * 
 * GET /domains/{name}/dns/nameservers
 */
export const getApiDomainsNameDnsNameservers = async (args: GetApiDomainsNameDnsNameserversArgs, options?: GetApiDomainsNameDnsNameserversOptions) => {
const {baseUrl = "https://api.unstoppabledomains.com/partner/v3", fetch: fetchFn = fetch, bearer} = options ?? {}

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

for (const item of args.$expand ?? []) query.append("$expand", String(item))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/domains/${encodeURIComponent(String(args.name))}/dns/nameservers${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(domainDnsNameServersResponse, await res.json())
};