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/**
* Personal Research — a natural-language-query page over the patient's OWN data
* (EHDS Art. 3 / GDPR Art. 15 primary use). The query box is at the top; type a
* question (or tap a suggestion, which fills the box and submits) and the answer
* — fitness/lab/nutrition trends PLUS relevant ePA events (infections, surgery,
* vaccinations, diagnoses) — appears below, computed only from the patient's own
* records. No LLM in the static demo: free text is keyword-matched. Synthetic.
*/
import { useState } from "react";
import {
Sparkles,
Activity,
Salad,
Wind,
ShieldCheck,
Send,
Info,
type LucideIcon,
} from "lucide-react";
import PageIntro from "@/components/PageIntro";
import { MetricTrendRow } from "@/components/charts/MetricTrendRow";
import {
personalResearchQA,
matchPersonalResearch,
eventMarkers,
type ResearchQA,
} from "@/lib/personal-research";
const QA_ICON: Record<string, LucideIcon> = {
sport: Activity,
nutrition: Salad,
breathing: Wind,
};
/** Badge colour per ePA event type. */
const EPA_TYPE_COLOR: Record<string, string> = {
Infection: "#CA6F1E",
Surgery: "#2471A3",
Vaccination: "#1E8449",
Diagnosis: "#7D3C98",
};
interface Exchange {
question: string;
qa: ResearchQA | null;
}
export default function PersonalQueryPage() {
const [input, setInput] = useState("");
const [exchanges, setExchanges] = useState<Exchange[]>([]);
function send(text: string) {
const q = text.trim();
Iif (!q) return;
setInput(q); // keep the query visible in the box
// newest first — the latest answer shows directly under the field
setExchanges((prev) => [
{ question: q, qa: matchPersonalResearch(q) },
...prev,
]);
}
return (
<div className="min-h-screen bg-[var(--bg)]">
<div className="max-w-3xl mx-auto px-6 py-10">
<PageIntro
title="Personal Research"
icon={Sparkles}
description="Ask a question about your own health data — fitness, lab and nutrition trends together with your ePA record (infections, surgeries, vaccinations and diagnoses). Answers are computed only from your own records (EHDS Art. 3 / GDPR Art. 15 — primary use). Synthetic · illustrative — not medical advice."
prevStep={{ href: "/patient", label: "My Health Records" }}
nextStep={{ href: "/patient/insights", label: "Research Insights" }}
infoText="This is primary use: you query your own data. It never leaves your record and is not compared against other patients. The static demo matches your free-text question to a predefined answer by keyword (no AI model)."
/>
{/* Query box — at the top */}
<form
onSubmit={(e) => {
e.preventDefault();
send(input);
}}
className="flex items-center gap-2"
>
<input
type="text"
value={input}
onChange={(e) => setInput(e.target.value)}
aria-label="Ask a question about your own health data"
placeholder="Ask about your own health data…"
className="flex-1 rounded-xl border border-[var(--border-ui)] bg-[var(--surface-card)] px-4 py-3 text-sm text-[var(--text-primary)] outline-none focus:border-[var(--accent)]"
/>
<button
type="submit"
disabled={!input.trim()}
aria-label="Send question"
className="grid place-items-center w-12 h-12 rounded-xl text-white shrink-0 transition-all hover:scale-[1.03] disabled:opacity-40 disabled:hover:scale-100"
style={{ background: "var(--accent)" }}
>
<Send size={18} />
</button>
</form>
{/* Suggestions — click fills the box and submits */}
<div className="flex flex-wrap gap-2 mt-3">
{personalResearchQA.map((qa) => {
const Icon = QA_ICON[qa.id] ?? Sparkles;
return (
<button
key={qa.id}
type="button"
onClick={() => send(qa.question)}
className="inline-flex items-center gap-2 text-left rounded-full border border-[var(--border)] bg-[var(--surface-2)] px-3 py-1.5 text-xs text-[var(--text-primary)] hover:border-[var(--accent)] transition-colors"
>
<Icon
size={13}
className="shrink-0 text-[var(--accent)]"
aria-hidden="true"
/>
{qa.question}
</button>
);
})}
</div>
<p className="text-[11px] text-[var(--text-secondary)] mt-2">
Your own records only · synthetic · not medical advice
</p>
{/* Answers — below the field, newest first */}
<div className="space-y-4 mt-6">
{exchanges.length === 0 && (
<div className="text-center text-sm text-[var(--text-secondary)] py-8 rounded-xl border border-dashed border-[var(--border)]">
Ask a question above — or tap a suggestion — to see an answer from
your own data.
</div>
)}
{exchanges.map((x, i) => {
const Icon = x.qa ? QA_ICON[x.qa.id] ?? Sparkles : Info;
return (
<div key={exchanges.length - i} className="space-y-2">
{/* question */}
<div className="flex justify-end">
<p className="max-w-[85%] rounded-2xl rounded-br-sm bg-[var(--accent)] text-white px-4 py-2.5 text-sm">
{x.question}
</p>
</div>
{/* answer */}
<div className="rounded-2xl rounded-bl-sm border border-[var(--border)] bg-[var(--surface)] p-4">
<div className="flex items-center gap-2 mb-2">
<span
className="grid place-items-center w-8 h-8 rounded-lg text-white shrink-0"
style={{ background: x.qa ? "#7D3C98" : "#64748b" }}
>
<Icon size={16} />
</span>
<span className="text-xs font-bold uppercase tracking-wide text-[var(--text-secondary)]">
Your data assistant
</span>
</div>
{x.qa ? (
<>
<p className="text-sm text-[var(--text-primary)] leading-relaxed mb-3">
{x.qa.answer}
</p>
<div className="grid sm:grid-cols-2 gap-2.5">
{x.qa.trends.map((t) => (
<MetricTrendRow
key={t.label}
s={t}
markers={eventMarkers(
t,
x.qa!.events,
(type) => EPA_TYPE_COLOR[type] ?? "#7D3C98",
)}
/>
))}
</div>
{x.qa.events.length > 0 && (
<ul className="space-y-1.5 mt-2.5">
<li className="text-[10px] font-bold uppercase tracking-wide text-[var(--text-secondary)]">
Related ePA events · marked on the trends
</li>
{x.qa.events.map((e) => (
<li
key={e.label}
className="flex items-center gap-2.5 rounded-lg bg-[var(--surface-2)] border border-[var(--border)] px-3 py-2"
>
<span
className="text-[10px] font-bold px-2 py-0.5 rounded-full text-white shrink-0 w-[88px] text-center"
style={{
background:
EPA_TYPE_COLOR[e.type] ?? "#7D3C98",
}}
>
{e.type}
</span>
<span className="text-xs font-mono text-[var(--text-secondary)] shrink-0">
{e.date}
</span>
<span className="text-sm text-[var(--text-primary)]">
{e.label}
</span>
</li>
))}
</ul>
)}
<p className="flex items-center gap-1.5 text-[11px] text-[var(--text-secondary)] mt-3">
<ShieldCheck size={12} /> {x.qa.source}
</p>
</>
) : (
<p className="text-sm text-[var(--text-primary)] leading-relaxed">
I can only answer from your own fitness, lab, nutrition
and ePA records. Try asking about your sport routine, your
nutrition, or your breathing & respiratory history.
</p>
)}
</div>
</div>
);
})}
</div>
</div>
</div>
);
}
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