import {z} from 'zod'

export type GetApiV1AnalyticsQualityTimeseriesArgs = {model_id: string, interval?: ('day' | 'week') | undefined, since?: (string | null) | undefined, until?: (string | null) | undefined};

export type GetApiV1AnalyticsQualityTimeseriesOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const qualityTimeSeriesBucket = z.object({ts: z.string(), llmaj_score_avg: z.number().nullable().optional(), llmaj_correct_pct: z.number().nullable().optional(), sample_count: z.number().int().optional()});

export const qualityTimeSeriesResponse = z.object({model_id: z.string(), interval: z.enum(["day", "week"]), since: z.string(), until: z.string(), series: z.array(qualityTimeSeriesBucket).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 Quality Timeseries
 * 
 * GET /v1/analytics/quality-timeseries
 * 
 * Also accepts auth: BearerAuth
 */
export const getApiV1AnalyticsQualityTimeseries = async (args: GetApiV1AnalyticsQualityTimeseriesArgs, options: GetApiV1AnalyticsQualityTimeseriesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.model_id != null) query.append("model_id", String(args.model_id))
if (args.interval != null) query.append("interval", String(args.interval))
if (args.since != null) query.append("since", String(args.since))
if (args.until != null) query.append("until", String(args.until))
if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/analytics/quality-timeseries${query.size > 0 ? `?${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(qualityTimeSeriesResponse, await res.json())
};