import { eventHandler, sendRedirect, setHeaders } from "h3";
import defu from "defu";
import { createRouter as createRadixRouter, toRouteMatcher } from "radix3";
import { useRuntimeConfig } from "./config.mjs";
const config = useRuntimeConfig();
const _routeRulesMatcher = toRouteMatcher(createRadixRouter({ routes: config.nitro.routeRules }));
export function createRouteRulesHandler() {
  return eventHandler((event) => {
    const routeRules = getRouteRules(event);
    if (routeRules.headers) {
      setHeaders(event, routeRules.headers);
    }
    if (routeRules.redirect) {
      return sendRedirect(event, routeRules.redirect.to, routeRules.redirect.statusCode);
    }
  });
}
export function getRouteRules(event) {
  event.context._nitro = event.context._nitro || {};
  if (!event.context._nitro.routeRules) {
    const path = new URL(event.req.url, "http://localhost").pathname;
    event.context._nitro.routeRules = getRouteRulesForPath(path);
  }
  return event.context._nitro.routeRules;
}
export function getRouteRulesForPath(path) {
  return defu({}, ..._routeRulesMatcher.matchAll(path).reverse());
}