import { hasProtocol, parseURL, withLeadingSlash, withoutTrailingSlash, withBase, withTrailingSlash } from 'ufo';

function resolveSitePath(pathOrUrl, options) {
  let path = pathOrUrl;
  if (hasProtocol(pathOrUrl, { strict: false, acceptRelative: true })) {
    const parsed = parseURL(pathOrUrl);
    path = parsed.pathname;
  }
  const base = withLeadingSlash(options.base || "/");
  if (base !== "/" && path.startsWith(base)) {
    path = path.slice(base.length);
  }
  let origin = withoutTrailingSlash(options.absolute ? options.siteUrl : "");
  if (base !== "/" && origin.endsWith(base)) {
    origin = origin.slice(0, origin.indexOf(base));
  }
  const baseWithOrigin = options.withBase ? withBase(base, origin || "/") : origin;
  const resolvedUrl = withBase(path, baseWithOrigin);
  return path === "/" && !options.withBase ? withTrailingSlash(resolvedUrl) : fixSlashes(options.trailingSlash, resolvedUrl);
}
function isPathFile(path) {
  const lastSegment = path.split("/").pop();
  return !!(lastSegment || path).match(/\.[0-9a-z]+$/i)?.[0];
}
function fixSlashes(trailingSlash, pathOrUrl) {
  const $url = parseURL(pathOrUrl);
  if (isPathFile($url.pathname))
    return pathOrUrl;
  const fixedPath = trailingSlash ? withTrailingSlash($url.pathname) : withoutTrailingSlash($url.pathname);
  return `${$url.protocol ? `${$url.protocol}//` : ""}${$url.host || ""}${fixedPath}${$url.search || ""}${$url.hash || ""}`;
}

export { fixSlashes, isPathFile, resolveSitePath };