import {z} from 'zod'

export type GetApiPipelinesPipelineIdMetricsArgs = {pipeline_id: string, time_interval?: number | undefined, time_unit?: ('minute' | 'hour' | 'day' | 'week' | 'month') | undefined, timestamp_from?: (string | null) | undefined, timestamp_to?: (string | null) | undefined};

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

export const pipelineLatestMetrics = z.object({latency: z.union([z.number(), z.string()]).nullable().optional(), recordsLag: z.union([z.number().int(), z.string()]).nullable().optional(), status: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const pipelineLatestMetricsWithMetadata = z.object({data: pipelineLatestMetrics, metadata: z.record(z.string(), z.record(z.string(), z.string()))}).and(z.record(z.string(), z.unknown()));

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 Metrics For Pipeline
 * 
 * GET /pipelines/{pipeline_id}/metrics
 */
export const getApiPipelinesPipelineIdMetrics = async (args: GetApiPipelinesPipelineIdMetricsArgs, options?: GetApiPipelinesPipelineIdMetricsOptions) => {
const {baseUrl = "https://api.streamkap.com", fetch: fetchFn = fetch, FronteggHTTPAuthentication} = options ?? {}

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

if (args.time_interval != null) query.append("time_interval", String(args.time_interval))
if (args.time_unit != null) query.append("time_unit", String(args.time_unit))
if (args.timestamp_from != null) query.append("timestamp_from", String(args.timestamp_from))
if (args.timestamp_to != null) query.append("timestamp_to", String(args.timestamp_to))
if (FronteggHTTPAuthentication !== undefined) headers.set('authorization', `Bearer ${FronteggHTTPAuthentication}`)

const url = `${baseUrl.replace(/\/+$/, '')}/pipelines/${encodeURIComponent(String(args.pipeline_id))}/metrics${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(pipelineLatestMetricsWithMetadata, await res.json())
};