import {z} from 'zod'

export type ApexDomain = string;

export type IdentifierString = string;

export type ResponseFormat = 'html' | 'json' | 'xml';

export type GetApiV1DomainArgs = {domain: ApexDomain, app_partner?: IdentifierString | undefined, app_name?: IdentifierString | undefined, app_version?: IdentifierString | undefined, format?: ResponseFormat | undefined};

export type GetApiV1DomainOptions = {baseUrl?: string | undefined, headerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const domainProfile = z.object({response: z.object({registrant: z.object({name: z.string().optional(), domain: z.number().int().optional(), domains: z.number().int().optional(), product_url: z.string().optional()}).optional(), server: z.object({ip_address: z.string().optional(), other_domains: z.number().int().optional(), product_url: z.string().optional()}).optional(), registration: z.object({created: z.string().optional(), expires: z.string().optional(), updated: z.string().optional(), registrar: z.string().optional(), statuses: z.array(z.string()).optional()}).optional(), name_servers: z.array(z.object({server: z.string().optional(), product_url: z.string().optional()})).optional(), history: z.object({registrar: z.object({earliest_event: z.string().optional(), events: z.number().int().optional(), product_url: z.string().optional()}).optional(), name_server: z.object({events: z.number().int().optional(), timespan_in_years: z.number().int().optional(), product_url: z.string().optional()}).optional(), ip_address: z.object({events: z.number().int().optional(), timespan_in_years: z.number().int().optional(), product_url: z.string().optional()}).optional(), whois: z.object({records: z.number().int().optional(), earliest_event: z.string().optional(), product_url: z.string().optional()}).optional()}).optional(), seo: z.object({score: z.union([z.number().int(), z.string()]).optional(), product_url: z.string().optional()}).optional(), website_data: z.object({response_code: z.union([z.number().int(), z.string()]).optional(), title: z.string().optional(), server: z.string().optional(), meta: z.array(z.string()).optional(), product_url: z.string().optional()}).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
};

/**
 * Domain Profile
 * 
 * GET /v1/{domain}/
 * 
 * Also accepts auth: open_key_auth, hmac_auth
 */
export const getApiV1Domain = async (args: GetApiV1DomainArgs, options?: GetApiV1DomainOptions) => {
const {baseUrl = "https://api.domaintools.com", fetch: fetchFn = fetch, headerAuth} = options ?? {}

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

if (args.app_partner != null) query.append("app_partner", String(args.app_partner))
if (args.app_name != null) query.append("app_name", String(args.app_name))
if (args.app_version != null) query.append("app_version", String(args.app_version))
if (args.format != null) query.append("format", String(args.format))
if (headerAuth !== undefined) headers.set("X-Api-Key", headerAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/${encodeURIComponent(String(args.domain))}/${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(domainProfile, await res.json())
};