import {z} from 'zod'

export type GetApiV6NotificationsArgs = {limit?: number | undefined, offset?: number | undefined, having_all_tags?: Array<string> | undefined, event_id?: string | undefined, subscription_id?: string | undefined};

export type GetApiV6NotificationsOptions = {baseUrl?: string | undefined, HEADER?: string | undefined, fetch?: typeof fetch | undefined};

export const zonedDateTime = z.string();

export const notificationResponse = z.object({cause_event_id: z.string(), cause_user_id: z.string(), channels: z.array(z.enum(["EMAIL", "EXTOLE_CLIENT_SLACK", "SLACK", "THIRD_PARTY_EMAIL", "WEBHOOK"])), client_id: z.string(), client_version: z.number().int(), data: z.record(z.string(), z.string()), event_id: z.string(), event_time: zonedDateTime, level: z.enum(["ERROR", "INFO", "WARN"]), message: z.string(), name: z.string(), snooze_id: z.string(), subscription_dedupe_duration_ms: z.number().int(), subscription_id: z.string(), tags: z.array(z.string()), user_id: z.string()});

export const getApiV6NotificationsResponse = z.array(notificationResponse);

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 recent notifications
 * 
 * GET /v6/notifications
 * 
 * Also accepts auth: QUERY, COOKIE
 */
export const getApiV6Notifications = async (args: GetApiV6NotificationsArgs, options?: GetApiV6NotificationsOptions) => {
const {baseUrl = "https://api.extole.io", fetch: fetchFn = fetch, HEADER} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
for (const item of args.having_all_tags ?? []) query.append("having_all_tags", String(item))
if (args.event_id != null) query.append("event_id", String(args.event_id))
if (args.subscription_id != null) query.append("subscription_id", String(args.subscription_id))
if (HEADER !== undefined) headers.set("Authorization", HEADER)

const url = `${baseUrl.replace(/\/+$/, '')}/v6/notifications${query.size > 0 ? `?${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(getApiV6NotificationsResponse, await res.json())
};