From 4b9ff4b783c786744650d094d75a07cec18c6251 Mon Sep 17 00:00:00 2001
From: Bert Hausmans <bert@hausmans.nl>
Date: Thu, 21 May 2026 07:13:50 +0200
Subject: [PATCH] =?UTF-8?q?feat(frontend):=20=E2=8C=98K=20search=20palette?=
 =?UTF-8?q?=20modal?=
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---
 .../frontend/src/components/SearchPalette.tsx | 155 ++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 packages/frontend/src/components/SearchPalette.tsx

diff --git a/packages/frontend/src/components/SearchPalette.tsx b/packages/frontend/src/components/SearchPalette.tsx
new file mode 100644
index 0000000..4447693
--- /dev/null
+++ b/packages/frontend/src/components/SearchPalette.tsx
@@ -0,0 +1,155 @@
+import { useEffect, useRef, useState } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { motion, AnimatePresence } from 'framer-motion';
+import { searchApi, type SearchResult } from '../api/search.js';
+
+export function SearchPalette({ open, onClose }: { open: boolean; onClose: () => void }) {
+  const [q, setQ] = useState('');
+  const [result, setResult] = useState<SearchResult>({ lessons: [], cards: [] });
+  const [busy, setBusy] = useState(false);
+  const [activeIdx, setActiveIdx] = useState(0);
+  const inputRef = useRef<HTMLInputElement>(null);
+  const navigate = useNavigate();
+
+  useEffect(() => {
+    if (open) {
+      setQ(''); setResult({ lessons: [], cards: [] }); setActiveIdx(0);
+      setTimeout(() => inputRef.current?.focus(), 10);
+    }
+  }, [open]);
+
+  useEffect(() => {
+    if (!open) return;
+    function onKey(e: KeyboardEvent) { if (e.key === 'Escape') onClose(); }
+    document.addEventListener('keydown', onKey);
+    return () => document.removeEventListener('keydown', onKey);
+  }, [open, onClose]);
+
+  useEffect(() => {
+    if (q.trim().length < 2) { setResult({ lessons: [], cards: [] }); return; }
+    setBusy(true);
+    const t = setTimeout(async () => {
+      try {
+        const r = await searchApi.search(q.trim());
+        setResult(r); setActiveIdx(0);
+      } finally { setBusy(false); }
+    }, 200);
+    return () => clearTimeout(t);
+  }, [q]);
+
+  const flat = [
+    ...result.lessons.map((l) => ({ kind: 'lesson' as const, item: l })),
+    ...result.cards.map((c) => ({ kind: 'card' as const, item: c })),
+  ];
+
+  function selectAt(i: number) {
+    const it = flat[i];
+    if (!it) return;
+    if (it.kind === 'lesson') navigate(`/lessons/${it.item.id}`);
+    else navigate(`/lessons/${it.item.lessonId}#card-${it.item.id}`);
+    onClose();
+  }
+
+  function onInputKey(e: React.KeyboardEvent<HTMLInputElement>) {
+    if (e.key === 'ArrowDown') { e.preventDefault(); setActiveIdx((i) => Math.min(flat.length - 1, i + 1)); }
+    if (e.key === 'ArrowUp') { e.preventDefault(); setActiveIdx((i) => Math.max(0, i - 1)); }
+    if (e.key === 'Enter') { e.preventDefault(); selectAt(activeIdx); }
+  }
+
+  if (!open) return null;
+
+  const libraryLessons = result.lessons.filter((l) => l.location === 'library');
+  const marketLessons = result.lessons.filter((l) => l.location === 'marketplace');
+  const idxOfLesson = (id: number) => flat.findIndex((f) => f.kind === 'lesson' && f.item.id === id);
+  const idxOfCard = (id: number) => flat.findIndex((f) => f.kind === 'card' && f.item.id === id);
+
+  return (
+    <AnimatePresence>
+      <motion.div
+        initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}
+        className="fixed inset-0 z-50 flex items-start justify-center bg-slate-900/40 p-4 pt-24 backdrop-blur-sm"
+        onClick={onClose}
+      >
+        <motion.div
+          initial={{ opacity: 0, scale: 0.95, y: -8 }} animate={{ opacity: 1, scale: 1, y: 0 }} exit={{ opacity: 0, scale: 0.95 }}
+          transition={{ type: 'spring', stiffness: 240, damping: 22 }}
+          className="w-full max-w-2xl overflow-hidden rounded-3xl border border-white/60 bg-white/95 shadow-2xl dark:border-slate-800 dark:bg-slate-900/95"
+          onClick={(e) => e.stopPropagation()}
+        >
+          <div className="flex items-center gap-2 border-b border-brand-100 px-4 py-3 dark:border-slate-800">
+            <span className="text-slate-400">🔎</span>
+            <input
+              ref={inputRef}
+              value={q}
+              onChange={(e) => setQ(e.target.value)}
+              onKeyDown={onInputKey}
+              className="flex-1 bg-transparent text-base outline-none"
+              placeholder="Zoek lessen en kaarten…"
+            />
+            {busy && <span className="text-xs text-slate-400">…</span>}
+            <kbd className="rounded-md border border-slate-300 px-1.5 py-0.5 text-[10px] text-slate-500 dark:border-slate-700">Esc</kbd>
+          </div>
+          <div className="max-h-[60vh] overflow-y-auto">
+            {q.trim().length < 2 && (
+              <div className="p-8 text-center text-sm text-slate-500">Begin met typen om te zoeken (min. 2 tekens)</div>
+            )}
+            {q.trim().length >= 2 && flat.length === 0 && !busy && (
+              <div className="p-8 text-center text-sm text-slate-500">Geen resultaten</div>
+            )}
+            {libraryLessons.length > 0 && (
+              <Group title="Lessen — Jouw bibliotheek" tone="brand">
+                {libraryLessons.map((l) => (
+                  <Row key={`l-${l.id}`} active={idxOfLesson(l.id) === activeIdx} onClick={() => selectAt(idxOfLesson(l.id))}>
+                    <div className="font-medium">{l.name}</div>
+                    <div className="text-xs text-slate-500">door {l.ownerDisplayName} · {l.totalCards} kaarten</div>
+                  </Row>
+                ))}
+              </Group>
+            )}
+            {marketLessons.length > 0 && (
+              <Group title="Lessen — Marketplace" tone="brand">
+                {marketLessons.map((l) => (
+                  <Row key={`m-${l.id}`} active={idxOfLesson(l.id) === activeIdx} onClick={() => selectAt(idxOfLesson(l.id))}>
+                    <div className="font-medium">{l.name}{l.isCurated ? ' ⭐' : ''}</div>
+                    <div className="text-xs text-slate-500">door {l.ownerDisplayName} · {l.totalCards} kaarten</div>
+                  </Row>
+                ))}
+              </Group>
+            )}
+            {result.cards.length > 0 && (
+              <Group title="Kaarten" tone="success">
+                {result.cards.map((c) => (
+                  <Row key={`c-${c.id}`} active={idxOfCard(c.id) === activeIdx} onClick={() => selectAt(idxOfCard(c.id))}>
+                    <div className="font-medium">{c.question}</div>
+                    <div className="text-xs text-slate-500">{c.lessonName} — {c.snippet}</div>
+                  </Row>
+                ))}
+              </Group>
+            )}
+          </div>
+        </motion.div>
+      </motion.div>
+    </AnimatePresence>
+  );
+}
+
+function Group({ title, tone, children }: { title: string; tone: 'brand' | 'success'; children: React.ReactNode }) {
+  const toneCls = tone === 'brand' ? 'text-brand-700 dark:text-brand-200' : 'text-success-700 dark:text-success-400';
+  return (
+    <div>
+      <div className={`px-4 pt-3 pb-1 text-[10px] font-semibold uppercase tracking-wider ${toneCls}`}>{title}</div>
+      <ul className="pb-1">{children}</ul>
+    </div>
+  );
+}
+
+function Row({ active, onClick, children }: { active: boolean; onClick: () => void; children: React.ReactNode }) {
+  return (
+    <li
+      className={`cursor-pointer px-4 py-2 ${active ? 'bg-brand-50 dark:bg-brand-900/30' : 'hover:bg-brand-50/60 dark:hover:bg-slate-800/40'}`}
+      onClick={onClick}
+    >
+      {children}
+    </li>
+  );
+}