import {z} from 'zod'

export type GetApiApiV2OrgIdAlertsAlertIdGroupsArgs = {org_id: string, alert_id: string};

export type GetApiApiV2OrgIdAlertsAlertIdGroupsOptions = {baseUrl: string, Authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const ackSource = z.enum(["ui", "api", "slack", "oncall", "incident"]);

export const ackView = z.object({ack_source: ackSource.optional(), acked_at: z.number().int(), acked_by: z.string(), firing_started_at: z.number().int(), group_key: z.string().optional(), taken_over_from: z.string().nullable().optional()});

export const alertGroupLabel = z.object({name: z.string(), value: z.string()});

export const alertGroupResponseItem = z.object({ack: ackView.nullable().optional(), firing_started_at: z.number().int().nullable().optional(), group_key: z.string(), group_labels: z.string().nullable().optional(), labels: z.array(alertGroupLabel), last_notified_level: z.string().nullable().optional(), last_outcome: z.string().nullable().optional(), last_outcome_at: z.number().int().nullable().optional(), last_seen: z.number().int().nullable().optional(), level: z.string().nullable().optional(), level_since: z.number().int().nullable().optional(), silenced_until: z.number().int().nullable().optional()});

export const getApiApiV2OrgIdAlertsAlertIdGroupsResponse = z.object({capped: z.boolean(), group_cap: z.number().int().gte(0), groups_firing: z.number().int().nullable().optional(), groups_firing_is_lower_bound: z.boolean().nullable().optional(), groups_observed: z.number().int().nullable().optional(), groups_observed_is_lower_bound: z.boolean().nullable().optional(), list: z.array(alertGroupResponseItem)});

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 a multi-alert's tracked groups
 * 
 * GET /api/v2/{org_id}/alerts/{alert_id}/groups
 */
export const getApiApiV2OrgIdAlertsAlertIdGroups = async (args: GetApiApiV2OrgIdAlertsAlertIdGroupsArgs, options: GetApiApiV2OrgIdAlertsAlertIdGroupsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (Authorization !== undefined) headers.set("Authorization", Authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/${encodeURIComponent(String(args.org_id))}/alerts/${encodeURIComponent(String(args.alert_id))}/groups${query.size > 0 ? `?${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(getApiApiV2OrgIdAlertsAlertIdGroupsResponse, await res.json())
};