import { inject } from '@angular/core';
import { Router, CanActivateFn } from '@angular/router';
import { AuthService } from '../services/auth.service';

export const authGuard: CanActivateFn = (route, state) => {
  console.log(`路由守卫检查: ${state.url}`);
  const authService = inject(AuthService);
  const router = inject(Router);

  const isAuthenticated = authService.isAuthenticated();
  console.log('用户认证状态:', isAuthenticated);
  console.log('当前用户:', authService.getCurrentUser());

  // 如果是登录页面，允许访问
  if (state.url.includes('/login')) {
    console.log('访问登录页面，允许访问');
    return true;
  }

  if (isAuthenticated) {
    console.log('用户已认证，允许访问');
    return true;
  }

  console.log('用户未认证，重定向到登录页面');
  // 未认证，重定向到登录页面，并保存返回URL
  return router.createUrlTree(['/login'], {
    queryParams: { returnUrl: state.url }
  });
};