import {z} from 'zod'

export type GetApiApiV1ChecksLocationsArgs = {monitoring_service_type?: ('API' | 'BLACKLIST' | 'DNS' | 'FTP' | 'SFTP' | 'HTTP' | 'ICMP' | 'IMAP' | 'MALWARE' | 'NTP' | 'PAGESPEED' | 'POP' | 'SMTP' | 'SSH' | 'SSL_CERT' | 'TCP' | 'TRANSACTION' | 'UDP' | 'WHOIS' | 'RDAP') | undefined, include_monitoring_service_types?: boolean | undefined};

export type GetApiApiV1ChecksLocationsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const getApiApiV1ChecksLocationsResponse = z.object({locations: z.array(z.union([z.string(), z.object({location: z.string(), monitoring_service_types: z.array(z.string()), is_transaction_extended: z.boolean().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
};

/**
 * Lists locations available for Checks
 * 
 * GET /api/v1/checks/locations/
 */
export const getApiApiV1ChecksLocations = async (args: GetApiApiV1ChecksLocationsArgs, options: GetApiApiV1ChecksLocationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/checks/locations/${query.size > 0 ? `?${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(getApiApiV1ChecksLocationsResponse, await res.json())
};