import {z} from 'zod'

export type GetApiV1AccountsAccountIdServerlessTokenUsageArgs = {start?: string | undefined, end?: string | undefined, interval?: string | undefined, includePeakTokensPerMinuteByBaseModel?: boolean | undefined, includeAverageTokensPerMinuteByBaseModel?: boolean | undefined, account_id: string};

export type GetApiV1AccountsAccountIdServerlessTokenUsageOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const gatewayTimeSeriesPoint = z.object({timestamp: z.string().optional(), value: z.string().optional()});

export const gatewayTimeSeries = z.object({labels: z.record(z.string(), z.string()).optional(), values: z.array(gatewayTimeSeriesPoint).optional()});

export const gatewayGetAccountServerlessTokenUsageResponse = z.object({averageTokensPerMinuteByBaseModel: z.array(gatewayTimeSeries).optional(), totalPeakGeneratedTokensPerMinute: gatewayTimeSeries.optional(), totalPeakUncachedPromptTokensPerMinute: gatewayTimeSeries.optional(), totalPeakCachedPromptTokensPerMinute: gatewayTimeSeries.optional(), peakGeneratedTokensPerMinuteByBaseModel: z.array(gatewayTimeSeries).optional(), peakUncachedPromptTokensPerMinuteByBaseModel: z.array(gatewayTimeSeries).optional(), peakCachedPromptTokensPerMinuteByBaseModel: z.array(gatewayTimeSeries).optional(), peakRejectedPromptTokensPerMinuteByBaseModel: z.array(gatewayTimeSeries).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
};

/**
 * Serverless pool token throughput (tokens per minute) by time bucket and base model, from
 * production usage metrics.
 * 
 * GET /v1/accounts/{account_id}/serverlessTokenUsage
 */
export const getApiV1AccountsAccountIdServerlessTokenUsage = async (args: GetApiV1AccountsAccountIdServerlessTokenUsageArgs, options: GetApiV1AccountsAccountIdServerlessTokenUsageOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (args.interval != null) query.append("interval", String(args.interval))
if (args.includePeakTokensPerMinuteByBaseModel != null) query.append("includePeakTokensPerMinuteByBaseModel", String(args.includePeakTokensPerMinuteByBaseModel))
if (args.includeAverageTokensPerMinuteByBaseModel != null) query.append("includeAverageTokensPerMinuteByBaseModel", String(args.includeAverageTokensPerMinuteByBaseModel))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/accounts/${encodeURIComponent(String(args.account_id))}/serverlessTokenUsage${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(gatewayGetAccountServerlessTokenUsageResponse, await res.json())
};