import {z} from 'zod'

export type GetApiV1DemProbesOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const demProbePlatform = z.enum(["AWS", "AZURE", "GOOGLE_CLOUD"]);

export const demCoordinates = z.object({latitude: z.number(), longitude: z.number()});

export const demProbe = z.object({id: z.string(), name: z.string(), active: z.boolean(), platform: demProbePlatform, region: z.string(), country: z.string(), city: z.string(), coordinates: demCoordinates, ipv4Addresses: z.array(z.string()), ipv6Addresses: z.array(z.string()).optional()});

export const demListProbesResponse = z.object({probes: z.array(demProbe)});

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 a list of existing synthetic probes
 * 
 * GET /v1/dem/probes
 */
export const getApiV1DemProbes = async (options?: GetApiV1DemProbesOptions) => {
const {baseUrl = "https://api.na-01.cloud.solarwinds.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/dem/probes${query.size > 0 ? `?${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(demListProbesResponse, await res.json())
};