import {z} from 'zod'

export type GetApiV1TelemetryLatencyMetricNameArgs = {metric_name: string, time_range?: ('15m' | '30m' | '1h' | '2h' | '6h' | '1d' | '7d' | '30d') | undefined, time_window?: string | undefined, percentiles?: (string | null) | undefined, evaluation_id?: (string | null) | undefined, test_id?: (string | null) | undefined, probe_id?: (string | null) | undefined, agent_configuration_id?: (string | null) | undefined};

export type GetApiV1TelemetryLatencyMetricNameOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const timeSeriesPoint = z.object({timestamp: z.number().int(), value: z.number()});

export const latencyOverTimeResponse = z.object({metric_name: z.string(), time_window: z.string(), percentile: z.string(), values: z.array(timeSeriesPoint)});

export const getApiV1TelemetryLatencyMetricNameResponse = z.array(latencyOverTimeResponse);

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 Latency Over Time
 * 
 * GET /v1/telemetry/latency/{metric_name}
 */
export const getApiV1TelemetryLatencyMetricName = async (args: GetApiV1TelemetryLatencyMetricNameArgs, options: GetApiV1TelemetryLatencyMetricNameOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.time_range != null) query.append("time_range", String(args.time_range))
if (args.time_window != null) query.append("time_window", String(args.time_window))
if (args.percentiles != null) query.append("percentiles", String(args.percentiles))
if (args.evaluation_id != null) query.append("evaluation_id", String(args.evaluation_id))
if (args.test_id != null) query.append("test_id", String(args.test_id))
if (args.probe_id != null) query.append("probe_id", String(args.probe_id))
if (args.agent_configuration_id != null) query.append("agent_configuration_id", String(args.agent_configuration_id))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/telemetry/latency/${encodeURIComponent(String(args.metric_name))}${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(getApiV1TelemetryLatencyMetricNameResponse, await res.json())
};