import { JSONObject } from "./JSONObject";
import { KDocumentContentGeneric } from ".";
/**
 * Enum for notification types
 */
export type NotificationType = "document" | "user" | "TokenExpired";
export interface BaseNotification {
    /**
     * Notification type
     */
    type: NotificationType;
    /**
     * Controller that triggered the notification
     */
    controller: string;
    /**
     * Action that triggered the notification
     */
    action: string;
    /**
     * Event type according to API action
     */
    event: "write" | "delete" | "publish";
    /**
     * Index name
     */
    index: string;
    /**
     * Collection name
     */
    collection: string;
    /**
     * Network protocol used to trigger the notification
     */
    protocol: string;
    /**
     * Subscription channel identifier.
     * Can be used to link a notification to its corresponding subscription
     */
    room: string;
    /**
     * Timestamp of the event, in Epoch-millis format
     */
    timestamp: number;
    /**
     * Request volatile data
     * @see https://docs.kuzzle.io/core/2/guides/essentials/volatile-data/
     */
    volatile: JSONObject;
}
/**
 * Notification triggered by a document change.
 * (create, update, delete)
 */
export interface DocumentNotification<TDocContent extends KDocumentContentGeneric = KDocumentContentGeneric> extends BaseNotification {
    /**
     * Updated document that triggered the notification
     */
    result: {
        /**
         * The message or full document content.
         */
        _source: TDocContent;
        /**
         * Document unique ID.
         * `null` if the notification is from a real-time message.
         */
        _id: string | null;
        /**
         * List of fields that have been updated (only available on document partial updates).
         */
        _updatedFields?: string[];
    };
    /**
     * State of the document regarding the scope (`in` or `out`)
     */
    scope: "in" | "out";
    type: "document";
}
/**
 * Notification triggered by an user joining or leaving a subscription room
 */
export interface UserNotification extends BaseNotification {
    /**
     * Tell wether an user leave or join the subscription room (`in` or `out`)
     */
    user: "in" | "out";
    /**
     * Contains the actual number of users in the subscription room
     */
    result: {
        /**
         * Updated users count sharing the same subscription room
         */
        count: number;
    };
    type: "user";
}
export interface ServerNotification extends BaseNotification {
    /**
     * Server message explaining why this notifications has been triggered.
     */
    message: string;
    type: "TokenExpired";
}
/**
 * Real-time notifications sent by Kuzzle.
 */
export type Notification = DocumentNotification | UserNotification | ServerNotification;