import {z} from 'zod'

export type GetApiV1IspMetricsTypeArgs = {type: string, beginTimestamp?: string | undefined, endTimestamp?: string | undefined, duration?: string | undefined};

export type GetApiV1IspMetricsTypeOptions = {baseUrl?: string | undefined, siteManagerApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1IspMetricsTypeResponse = z.object({data: z.array(z.object({metricType: z.string().optional(), periods: z.array(z.object({data: z.object({wan: z.object({avgLatency: z.number().int().optional(), download_kbps: z.number().int().optional(), downtime: z.number().int().optional(), ispAsn: z.string().optional(), ispName: z.string().optional(), maxLatency: z.number().int().optional(), packetLoss: z.number().int().optional(), upload_kbps: z.number().int().optional(), uptime: z.number().int().optional()}).optional()}).optional(), metricTime: z.string().optional(), version: z.string().optional()}).nullable()).optional(), hostId: z.string().optional(), siteId: z.string().optional()}).nullable()).optional(), httpStatusCode: z.number().int().optional(), traceId: z.string().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
};

/**
 * Get ISP Metrics
 * 
 * GET /v1/isp-metrics/{type}
 */
export const getApiV1IspMetricsType = async (args: GetApiV1IspMetricsTypeArgs, options?: GetApiV1IspMetricsTypeOptions) => {
const {baseUrl = "https://api.ui.com", fetch: fetchFn = fetch, siteManagerApiKey} = options ?? {}

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

if (args.beginTimestamp != null) query.append("beginTimestamp", String(args.beginTimestamp))
if (args.endTimestamp != null) query.append("endTimestamp", String(args.endTimestamp))
if (args.duration != null) query.append("duration", String(args.duration))
if (siteManagerApiKey !== undefined) headers.set("X-API-Key", siteManagerApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/isp-metrics/${encodeURIComponent(String(args.type))}${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(getApiV1IspMetricsTypeResponse, await res.json())
};