import {z} from 'zod'

export type GetApiV2DnsDomainNameResolveArgs = {domain_name: string, filter?: boolean | undefined};

export type GetApiV2DnsDomainNameResolveOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const pictureDNS = z.object({bag_id: z.string().optional(), type: z.enum(["url", "bag_id"]), url: z.string().optional()});

export const accountAddress = z.object({address: z.string(), icon: z.string().optional(), is_scam: z.boolean(), is_wallet: z.boolean(), name: z.string().optional()});

export const walletDNS = z.object({account: accountAddress, address: z.string(), has_method_pubkey: z.boolean(), has_method_seqno: z.boolean(), is_wallet: z.boolean(), names: z.array(z.string())});

export const dnsRecord = z.object({next_resolver: z.string().optional(), picture: pictureDNS.optional(), sites: z.array(z.string()), storage: z.string().optional(), wallet: walletDNS.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
};

/**
 * DNS resolve for domain name
 * 
 * GET /v2/dns/{domain_name}/resolve
 */
export const getApiV2DnsDomainNameResolve = async (args: GetApiV2DnsDomainNameResolveArgs, options?: GetApiV2DnsDomainNameResolveOptions) => {
const {baseUrl = "https://tonapi.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.filter != null) query.append("filter", String(args.filter))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/dns/${encodeURIComponent(String(args.domain_name))}/resolve${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(dnsRecord, await res.json())
};