import { useCallback, useRef, useState } from 'react';
import type { AppDiagnostic } from '../../stores/useAppStore';
import type { WorkbenchNotification } from '../components/NotificationCenter';

export function diagnostic(
  category: AppDiagnostic['category'],
  error: unknown,
  path?: string,
): AppDiagnostic {
  const detail = error instanceof Error ? error.message : String(error);
  return { category, summary: `${category}失败`, detail, path, at: Date.now() };
}

/** 通知状态唯一所有者；发布函数稳定，供加载事务与用户动作共享。 */
export function useWorkbenchFeedback() {
  const notificationId = useRef(0);
  const [notifications, setNotifications] = useState<WorkbenchNotification[]>([]);
  const [toast, setToast] = useState<WorkbenchNotification>();
  const publishNotice = useCallback((input: Omit<WorkbenchNotification, 'id' | 'at'>) => {
    const notice: WorkbenchNotification = {
      id: ++notificationId.current,
      ...input,
      at: Date.now(),
    };
    setNotifications((items) => [notice, ...items].slice(0, 20));
    setToast(notice);
  }, []);
  const notify = useCallback(
    (title: string, detail: string, tone: WorkbenchNotification['tone'] = 'success') =>
      publishNotice({ title, detail, tone }),
    [publishNotice],
  );
  return { notifications, setNotifications, toast, setToast, publishNotice, notify };
}