'use client';

import { useEffect, useState, useCallback, useRef } from 'react';
import { SignalRConnectionManager } from '@/lib/signalr/ConnectionManager';
import { SIGNALR_CONFIG } from '@/lib/signalr/config';
import { useAuthStore } from '@/stores/authStore';

export interface Notification {
  message: string;
  type: 'info' | 'success' | 'warning' | 'error' | 'test';
  timestamp: string;
}

export function useNotificationHub() {
  const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
  const [connectionState, setConnectionState] = useState<
    'disconnected' | 'connecting' | 'connected' | 'reconnecting'
  >('disconnected');
  const [notifications, setNotifications] = useState<Notification[]>([]);
  const managerRef = useRef<SignalRConnectionManager | null>(null);

  useEffect(() => {
    if (!isAuthenticated) return;

    const manager = new SignalRConnectionManager(
      SIGNALR_CONFIG.HUB_URLS.NOTIFICATION
    );
    managerRef.current = manager;

    // 监听连接状态
    const unsubscribe = manager.onStateChange(setConnectionState);

    // 监听通知事件
    manager.on('Notification', (notification: Notification) => {
      console.log('[NotificationHub] Received notification:', notification);
      setNotifications((prev) => [notification, ...prev].slice(0, 50)); // 保留最近 50 条
    });

    manager.on(
      'NotificationRead',
      (data: { NotificationId: string; ReadAt: string }) => {
        console.log('[NotificationHub] Notification read:', data);
      }
    );

    // 启动连接
    manager.start();

    return () => {
      unsubscribe();
      manager.stop();
    };
  }, [isAuthenticated]);

  const markAsRead = useCallback(async (notificationId: string) => {
    if (!managerRef.current) return;

    try {
      await managerRef.current.invoke('MarkAsRead', notificationId);
    } catch (error) {
      console.error(
        '[NotificationHub] Error marking notification as read:',
        error
      );
    }
  }, []);

  const clearNotifications = useCallback(() => {
    setNotifications([]);
  }, []);

  return {
    connectionState,
    notifications,
    markAsRead,
    clearNotifications,
    isConnected: connectionState === 'connected',
  };
}