/**
 * Notification manager for MCP server
 *
 * This file implements notification handling for the MCP server
 */
import { EventEmitter } from 'events';
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { NotificationData } from '../types/common.js';
/**
 * Notification types
 */
export declare enum NotificationType {
    INVENTORY_CHANGE = "inventory_change",
    ORDER_STATUS_CHANGE = "order_status_change"
}
/**
 * Base notification interface
 */
export interface Notification {
    /**
     * Notification type
     */
    type: NotificationType;
    /**
     * Timestamp when the notification was created
     */
    timestamp: string;
}
/**
 * Inventory change notification
 */
export interface InventoryChangeNotification extends Notification {
    /**
     * Notification type (always INVENTORY_CHANGE)
     */
    type: NotificationType.INVENTORY_CHANGE;
    /**
     * Seller SKU
     */
    sku: string;
    /**
     * Fulfillment channel
     */
    fulfillmentChannel: 'AMAZON' | 'SELLER';
    /**
     * Previous quantity
     */
    previousQuantity: number;
    /**
     * New quantity
     */
    newQuantity: number;
    /**
     * Marketplace ID
     */
    marketplaceId: string;
}
/**
 * Order status change notification
 */
export interface OrderStatusChangeNotification extends Notification {
    /**
     * Notification type (always ORDER_STATUS_CHANGE)
     */
    type: NotificationType.ORDER_STATUS_CHANGE;
    /**
     * Order ID
     */
    orderId: string;
    /**
     * Previous status
     */
    previousStatus: string;
    /**
     * New status
     */
    newStatus: string;
    /**
     * Marketplace ID
     */
    marketplaceId: string;
    /**
     * Additional order details
     */
    orderDetails?: {
        /**
         * Purchase date
         */
        purchaseDate: string;
        /**
         * Order total
         */
        orderTotal?: {
            currencyCode: string;
            amount: number;
        };
        /**
         * Fulfillment channel
         */
        fulfillmentChannel?: string;
        /**
         * Number of items
         */
        numberOfItems?: number;
    };
}
/**
 * Notification manager options
 */
export interface NotificationManagerOptions {
    /**
     * Whether to debounce notifications
     */
    debounced?: boolean;
    /**
     * Debounce time in milliseconds
     */
    debounceTime?: number;
}
/**
 * Notification manager class
 * Handles sending notifications through the MCP server
 */
export declare class NotificationManager {
    /**
     * MCP server instance
     */
    private server;
    /**
     * Event emitter for internal events
     */
    private _eventEmitter;
    /**
     * Whether to debounce notifications
     */
    private debounced;
    /**
     * Debounce time in milliseconds
     */
    private debounceTime;
    /**
     * Map of pending notifications
     */
    private pendingNotifications;
    /**
     * Creates a new notification manager
     *
     * @param server MCP server instance
     * @param options Notification manager options
     */
    constructor(server: McpServer, options?: NotificationManagerOptions);
    /**
     * Sends an inventory change notification
     *
     * @param notification Inventory change notification
     */
    sendInventoryChangeNotification(notification: Omit<InventoryChangeNotification, 'type' | 'timestamp'>): void;
    /**
     * Sends an order status change notification
     *
     * @param notification Order status change notification
     */
    sendOrderStatusChangeNotification(notification: Omit<OrderStatusChangeNotification, 'type' | 'timestamp'>): void;
    /**
     * Sends a notification through the MCP server
     *
     * @param notification Notification to send
     */
    private sendNotification;
    /**
     * Sends a notification immediately
     *
     * @param notification Notification to send
     */
    private sendImmediateNotification;
    /**
     * Sends a debounced notification
     *
     * @param notification Notification to send
     */
    private sendDebouncedNotification;
    /**
     * Adds an event listener for notifications
     *
     * @param listener Listener function
     */
    onNotification(listener: (notification: Notification) => void): void;
    /**
     * Adds an event listener for specific notification types (for integration test compatibility)
     *
     * @param eventType Event type to listen for
     * @param listener Listener function
     */
    addListener(eventType: string, listener: (data: NotificationData) => void): void;
    /**
     * Removes an event listener
     *
     * @param listener Listener function to remove
     */
    removeListener(listener: (notification: Notification) => void): void;
    /**
     * Expose the event emitter for direct access (for testing)
     */
    get eventEmitter(): EventEmitter;
    /**
     * Sends a generic notification (for integration test compatibility)
     *
     * @param eventType Event type
     * @param data Notification data
     */
    sendGenericNotification(eventType: string, data: NotificationData): Promise<void>;
    /**
     * Clears all pending notifications
     */
    clearPendingNotifications(): void;
}