'use client';

import { useEffect, useRef } from 'react';
import {
  CircleCheckIcon,
  InfoIcon,
  Loader2Icon,
  OctagonXIcon,
  TriangleAlertIcon,
} from 'lucide-react';
import { useTheme } from 'next-themes';
import { Toaster as Sonner, type ToasterProps, useSonner } from 'sonner';
import { useBellRing } from '@/contexts/bell-ring-context';

/**
 * Toast 观察器组件
 * 监听 toast 事件并触发铃铛响铃动画
 */
function ToastObserver() {
  const { toasts } = useSonner();
  const { triggerRing } = useBellRing();
  const prevToastCountRef = useRef(0);

  useEffect(() => {
    // 当 toast 数量增加时触发响铃
    if (toasts.length > prevToastCountRef.current) {
      triggerRing();
    }
    prevToastCountRef.current = toasts.length;
  }, [toasts.length, triggerRing]);

  return null;
}

const Toaster = ({ ...props }: ToasterProps) => {
  const { theme = 'system' } = useTheme();

  return (
    <>
      <ToastObserver />
      <Sonner
        theme={theme as ToasterProps['theme']}
        className='toaster group'
        icons={{
          success: <CircleCheckIcon className='size-4' />,
          info: <InfoIcon className='size-4' />,
          warning: <TriangleAlertIcon className='size-4' />,
          error: <OctagonXIcon className='size-4' />,
          loading: <Loader2Icon className='size-4 animate-spin' />,
        }}
        style={
          {
            '--normal-bg': 'var(--popover)',
            '--normal-text': 'var(--popover-foreground)',
            '--normal-border': 'var(--border)',
            '--border-radius': 'var(--radius)',
          } as React.CSSProperties
        }
        {...props}
      />
    </>
  );
};

export { Toaster };