flvx/vite-frontend/src/components/theme-provider.tsx

import React, { useEffect } from 'react';
import { useTheme } from '@heroui/use-theme';

interface ThemeProviderProps {
  children: React.ReactNode;
}

export const ThemeProvider: React.FC<ThemeProviderProps> = ({ children }) => {
  const { theme, setTheme } = useTheme();

  useEffect(() => {
    // 确保主题与HTML class同步
    const updateThemeClass = (currentTheme: string) => {
      if (currentTheme === 'dark') {
        document.documentElement.classList.add('dark');
        document.documentElement.style.colorScheme = 'dark';
      } else {
        document.documentElement.classList.remove('dark');
        document.documentElement.style.colorScheme = 'light';
      }
    };

    // 始终跟随系统主题
    const systemTheme = window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
    if (systemTheme !== theme) {
      setTheme(systemTheme);
    }

    // 监听主题变化
    updateThemeClass(theme);

    // 监听系统主题变化
    const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
    const handleThemeChange = (e: MediaQueryListEvent) => {
      const newTheme = e.matches ? 'dark' : 'light';
      setTheme(newTheme);
    };

    mediaQuery.addEventListener('change', handleThemeChange);
    return () => mediaQuery.removeEventListener('change', handleThemeChange);
  }, [theme, setTheme]);

  return <>{children}</>;
};