import {z} from 'zod'

export type GetApiDigestsSchedulesScheduleIdInstancesArgs = {schedule_id: string, cursor?: string | undefined, limit?: number | undefined};

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

export const digestCategory = z.object({category_key: z.string(), retain: z.enum(["first", "last", "highest", "lowest", "none"]), sort_key: z.string().optional()});

export const digestInstance = z.object({digest_instance_id: z.string(), status: z.enum(["IN_PROGRESS", "COMPLETED"]), event_count: z.number().int(), user_id: z.string(), tenant_id: z.string().nullable().optional(), categories: z.array(digestCategory).optional(), category_key_counts: z.record(z.string(), z.number().int()).optional(), disabled: z.boolean().optional(), created_at: z.string().optional()});

export const digestInstanceListResponse = z.object({type: z.literal("list"), items: z.array(digestInstance), has_more: z.boolean(), cursor: z.string().nullable().optional(), url: z.string().optional(), next_url: z.string().nullable().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
};

/**
 * List digest instances
 * 
 * GET /digests/schedules/{schedule_id}/instances
 */
export const getApiDigestsSchedulesScheduleIdInstances = async (args: GetApiDigestsSchedulesScheduleIdInstancesArgs, options?: GetApiDigestsSchedulesScheduleIdInstancesOptions) => {
const {baseUrl = "https://api.courier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/digests/schedules/${encodeURIComponent(String(args.schedule_id))}/instances${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(digestInstanceListResponse, await res.json())
};