import { createParamDecorator, ExecutionContext, SetMetadata } from '@nestjs/common';

export const IS_PUBLIC_KEY = 'isPublic';
/** 标记接口为公开接口（跳过登录校验）。 */
export const Public = () => SetMetadata(IS_PUBLIC_KEY, true);

export const PERMISSIONS_KEY = 'permissions';
/** 要求当前用户具备给定权限标识（resource code）。 */
export const RequirePermissions = (...permissions: string[]) => SetMetadata(PERMISSIONS_KEY, permissions);

export const CurrentUser = createParamDecorator((_data: unknown, ctx: ExecutionContext) => {
  return ctx.switchToHttp().getRequest().user;
});