import {z} from 'zod'

export type GetApiApplicationsApplicationIdInstancesInstanceIdMetricsDataJsonArgs = {application_id: number, instance_id: number, names: Array<string>, values?: Array<string> | undefined, from?: string | undefined, to?: string | undefined, period?: number | undefined, summarize?: boolean | undefined, raw?: boolean | undefined};

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

export const timesliceResponse = z.object({from: z.string().optional(), to: z.string().optional(), values: z.object({}).optional()});

export const metricResponse = z.object({name: z.string().optional(), timeslices: z.array(timesliceResponse).optional()});

export const metricDataResponseType = z.object({from: z.string().optional(), metrics: z.array(metricResponse).optional(), metrics_found: z.string().optional(), metrics_not_found: z.string().optional(), to: z.string().optional()});

export const metricDataResponse = z.object({metric_data: metricDataResponseType.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
};

/**
 * Metric Data
 * 
 * GET /applications/{application_id}/instances/{instance_id}/metrics/data.json
 */
export const getApiApplicationsApplicationIdInstancesInstanceIdMetricsDataJson = async (args: GetApiApplicationsApplicationIdInstancesInstanceIdMetricsDataJsonArgs, options?: GetApiApplicationsApplicationIdInstancesInstanceIdMetricsDataJsonOptions) => {
const {baseUrl = "https://api.newrelic.com/v2", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.names != null) query.append("names", args.names.join(','))
if (args.values != null) query.append("values", args.values.join(','))
if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (args.period != null) query.append("period", String(args.period))
if (args.summarize != null) query.append("summarize", String(args.summarize))
if (args.raw != null) query.append("raw", String(args.raw))
if (APIKeyHeader !== undefined) headers.set("Api-Key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/applications/${encodeURIComponent(String(args.application_id))}/instances/${encodeURIComponent(String(args.instance_id))}/metrics/data.json${query.size > 0 ? `?${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(metricDataResponse, await res.json())
};