import {z} from 'zod'

export type GetApiApiV1ChecksBulkStatsArgs = {pk: Array<unknown>, start_date?: string | undefined, end_date?: string | undefined, include_alerts?: boolean | undefined};

export type GetApiApiV1ChecksBulkStatsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const checksBulkStats = z.object({pk: z.array(z.number().int()), start_date: z.string().optional(), end_date: z.string().optional(), include_alerts: z.boolean().optional(), checks: z.array(z.object({})).optional(), totals: z.object({}).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
};

/**
 * Bulk API: Get statistics & response time for multiple checks
 * 
 * GET /api/v1/checks/bulk/stats/
 */
export const getApiApiV1ChecksBulkStats = async (args: GetApiApiV1ChecksBulkStatsArgs, options: GetApiApiV1ChecksBulkStatsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.pk ?? []) query.append("pk", String(item))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.include_alerts != null) query.append("include_alerts", String(args.include_alerts))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/checks/bulk/stats/${query.size > 0 ? `?${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(checksBulkStats, await res.json())
};