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import { slugify } from "@/lib/slugify";
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export interface PublicUrlSiteRow {
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  slug: string;
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  published_at: string | null;
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  home_page_id: string | null;
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}
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function isLocalSitesDomain(baseDomain: string): boolean {
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  return baseDomain === "localhost" || baseDomain.endsWith(".localhost");
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}
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/**
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 * Construct the public URL that a viewer should land on for a published page.
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 *
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 * Production domains are real hostnames served over HTTPS without a port.
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 * Local dev (e.g. `PUBLISHED_SITE_DOMAIN=bland.localhost`) derives the
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 * protocol and port from the request so that URLs copied out of the dialog
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 * point at the running Vite dev server rather than `https://...localhost/`.
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 */
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export function buildSitePublicUrl(
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  site: PublicUrlSiteRow,
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  baseDomain: string | null,
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  pageId: string,
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  pageTitle: string,
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  requestUrl: URL,
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): string | null {
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  if (!site.published_at || !baseDomain) return null;
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  const local = isLocalSitesDomain(baseDomain);
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  const protocol = local ? requestUrl.protocol : "https:";
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  const port = local && requestUrl.port ? `:${requestUrl.port}` : "";
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  const origin = `${protocol}//${site.slug}.${baseDomain}${port}`;
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  if (site.home_page_id === pageId) return `${origin}/`;
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  return `${origin}${buildSitePagePath(pageId, pageTitle)}`;
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}
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export function buildSitePagePath(pageId: string, pageTitle: string): string {
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  const slugPart = slugify(pageTitle) || "untitled";
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  return `/${slugPart}-${pageId.toLowerCase()}`;
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}