import { API_ALLOWLIST, FRONTEND_PAGE_ALLOWLIST } from "common/config"
import { pathToRegexp } from "common/utils/path"

/** 公开 API 以只读为主，需配合服务端校验与限流 */
export function isPublicApiPath(path: string, method?: string) {
  if (!path.startsWith("/api/public/")) {
    return false;
  }
  const requestMethod = method?.toUpperCase() ?? "GET";
  if (requestMethod === "GET") {
    return true;
  }
  return false;
}

/**
 * 检查前端页面是否在白名单中（允许未登录用户直接访问）
 * 已登录用户访问这些页面会被重定向
 */
export function isFrontendPageAllowed(path: string): boolean {
  const cleanPath = path.split("?")[0];
  return Array.from(FRONTEND_PAGE_ALLOWLIST).some((rule) => {
    const regex = pathToRegexp(rule);
    return regex.test(cleanPath!);
  });
}

export function isAllowlistedApiPath(path: string, method?: string) {
  if (isPublicApiPath(path, method)) {
    return true;
  }
  const requestMethod = method?.toUpperCase() ?? "GET";
  // 移除 query string
  const cleanPath = path.split("?")[0];
  return API_ALLOWLIST.some((rule) => {
    const regex = pathToRegexp(rule.path);

    if (!regex.test(cleanPath!)) {
      return false;
    }
    if (!rule.methods || rule.methods.length === 0) {
      return true;
    }
    return rule.methods.includes(requestMethod);
  });
}