File size: 2,906 Bytes
3bbe317 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /**
* Client-side helpers for shareable, viral-friendly URLs.
*
* Every AI answer can be turned into a link of the form
* `https://<host>/?q=<question>` that, when opened, pre-fills the hero
* input and auto-sends. The same URL's OG image is generated dynamically
* via `/api/og?q=...` so the link previews as a branded card on every
* major social platform and messenger.
*/
/** Build a canonical share URL for a given question. */
export function buildShareUrl(question: string, lang?: string): string {
if (typeof window === 'undefined') return '';
const url = new URL(window.location.origin);
url.searchParams.set('q', question);
if (lang) url.searchParams.set('lang', lang);
return url.toString();
}
/** Build the dynamic OG preview URL for a given question. */
export function buildOgUrl(question: string, lang?: string): string {
if (typeof window === 'undefined') return '';
const url = new URL('/api/og', window.location.origin);
if (question) url.searchParams.set('q', question);
if (lang) url.searchParams.set('lang', lang);
return url.toString();
}
/**
* Share a message using the platform's native share sheet when available
* (mobile), falling back to clipboard-copy on desktop. Returns true if
* the share/copy succeeded.
*/
export async function shareMessage(
question: string,
lang?: string,
): Promise<'shared' | 'copied' | 'failed'> {
const url = buildShareUrl(question, lang);
if (!url) return 'failed';
const shareData: ShareData = {
title: 'MedOS — free AI medical assistant',
text: question,
url,
};
try {
if (
typeof navigator !== 'undefined' &&
typeof navigator.share === 'function' &&
navigator.canShare?.(shareData) !== false
) {
await navigator.share(shareData);
return 'shared';
}
} catch {
// User dismissed or share failed — fall through to clipboard.
}
try {
if (navigator?.clipboard?.writeText) {
await navigator.clipboard.writeText(url);
return 'copied';
}
} catch {
// ignore
}
return 'failed';
}
/** Read an incoming `?q=` parameter on page load for prefill. */
export function readPrefillQuery(): string | null {
if (typeof window === 'undefined') return null;
const params = new URLSearchParams(window.location.search);
const q = params.get('q');
return q && q.trim().length > 0 ? q.trim().slice(0, 500) : null;
}
/**
* Generic follow-up suggestions after an AI answer. Intentionally
* language-neutral (uses symbols and short English phrases) — the model
* itself will respond in the user's language once the chip is clicked.
* Keeping them static is a deliberate choice: deterministic, zero parsing
* risk, and always-relevant for the medical domain.
*/
export const FOLLOW_UP_PROMPTS = [
'Tell me more',
'What causes this?',
'Should I see a doctor?',
'How can I prevent it?',
] as const;
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