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kolaytercih/src/components/katalog-arama.tsx

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"use client";
import { useEffect, useRef, useState } from "react";
import Link from "next/link";
import {
ArrowRight,
BookOpenText,
Building2,
GraduationCap,
Search,
X,
} from "lucide-react";
import {
Dialog,
DialogContent,
DialogDescription,
DialogTitle,
} from "@/components/ui/dialog";
type BolumSonucu = {
href: string;
ad: string;
programSayisi: number;
enIyiSira: number | null;
seviye: string;
};
type UniversiteSonucu = {
href: string;
ad: string;
il: string | null;
tur: string | null;
programSayisi: number;
fakulteSayisi: number;
};
type AramaSonuclari = {
bolumler: BolumSonucu[];
universiteler: UniversiteSonucu[];
};
const BOS_SONUCLAR: AramaSonuclari = { bolumler: [], universiteler: [] };
const sayi = (deger: number) => deger.toLocaleString("tr-TR");
export function KatalogArama() {
const [acik, setAcik] = useState(false);
const [sorgu, setSorgu] = useState("");
const [sonuclar, setSonuclar] = useState<AramaSonuclari>(BOS_SONUCLAR);
const [yukleniyor, setYukleniyor] = useState(false);
const inputRef = useRef<HTMLInputElement>(null);
const temizSorgu = sorgu.trim();
const aramaAktif = temizSorgu.length >= 2;
const sonucVar =
sonuclar.bolumler.length > 0 || sonuclar.universiteler.length > 0;
useEffect(() => {
if (!acik || !aramaAktif) return;
const controller = new AbortController();
const zamanlayici = window.setTimeout(async () => {
setYukleniyor(true);
try {
const response = await fetch(
`/api/katalog-ara?q=${encodeURIComponent(temizSorgu)}`,
{ signal: controller.signal },
);
if (!response.ok) throw new Error("Arama başarısız");
setSonuclar((await response.json()) as AramaSonuclari);
} catch (hata) {
if (!(hata instanceof DOMException && hata.name === "AbortError")) {
setSonuclar(BOS_SONUCLAR);
}
} finally {
if (!controller.signal.aborted) setYukleniyor(false);
}
}, 160);
return () => {
window.clearTimeout(zamanlayici);
controller.abort();
};
}, [acik, aramaAktif, temizSorgu]);
function modalDegisti(yeniAcik: boolean) {
setAcik(yeniAcik);
if (!yeniAcik) {
setSorgu("");
setSonuclar(BOS_SONUCLAR);
}
}
function kapat() {
setAcik(false);
}
return (
<>
<nav className="absolute left-1/2 hidden -translate-x-1/2 items-center gap-1 rounded-full border border-slate-200 bg-white p-1.5 text-base font-medium text-slate-600 sm:flex">
<Link
href="/#nasil-calisir"
className="rounded-full px-5 py-2 transition-colors duration-200 hover:bg-slate-100 hover:text-slate-900"
>
Nasıl çalışır?
</Link>
<Link
href="/#karsilastirma"
className="rounded-full px-5 py-2 transition-colors duration-200 hover:bg-slate-100 hover:text-slate-900"
>
Karşılaştır
</Link>
<button
type="button"
onClick={() => setAcik(true)}
className="flex cursor-pointer items-center gap-2 rounded-full bg-slate-900 px-5 py-2 text-white transition-[background-color,transform] duration-150 hover:bg-slate-700 active:scale-[0.97]"
>
<Search className="size-4" aria-hidden />
Ara
</button>
</nav>
<button
type="button"
onClick={() => setAcik(true)}
aria-label="Bölüm veya üniversite ara"
className="ml-auto flex size-9 shrink-0 cursor-pointer items-center justify-center rounded-full border border-slate-200 bg-white text-slate-700 transition-[background-color,transform] duration-150 hover:bg-slate-100 active:scale-[0.96] sm:hidden"
>
<Search className="size-4" aria-hidden />
</button>
<Dialog open={acik} onOpenChange={modalDegisti}>
<DialogContent
showCloseButton={false}
onOpenAutoFocus={(event) => {
event.preventDefault();
inputRef.current?.focus();
}}
className="max-h-[min(720px,calc(100dvh-2rem))] gap-0 overflow-hidden rounded-2xl bg-white p-0 duration-200 sm:max-w-2xl motion-reduce:data-open:zoom-in-100 motion-reduce:data-closed:zoom-out-100"
>
<DialogTitle className="sr-only">
Bölüm ve üniversite ara
</DialogTitle>
<DialogDescription className="sr-only">
YKS bölümlerini ve üniversiteleri tek yerden ara.
</DialogDescription>
<div className="flex items-center border-b border-slate-200 px-4 sm:px-5">
<Search
className="mr-3 size-5 shrink-0 text-slate-400"
aria-hidden
/>
<input
ref={inputRef}
type="text"
value={sorgu}
onChange={(event) => {
const yeniSorgu = event.target.value;
setSorgu(yeniSorgu);
setSonuclar(BOS_SONUCLAR);
setYukleniyor(yeniSorgu.trim().length >= 2);
}}
placeholder="Bölüm veya üniversite ara..."
aria-label="Bölüm veya üniversite ara"
autoComplete="off"
className="h-16 min-w-0 flex-1 bg-transparent text-base text-slate-950 outline-none placeholder:text-slate-400 sm:h-18 sm:text-lg"
/>
<button
type="button"
onClick={kapat}
aria-label="Aramayı kapat"
className="flex size-9 cursor-pointer items-center justify-center rounded-full border border-slate-200 text-slate-500 transition-[background-color,transform] duration-150 hover:bg-slate-100 hover:text-slate-800 active:scale-[0.96]"
>
<X className="size-4" aria-hidden />
</button>
</div>
<div
className="min-h-72 overflow-y-auto overscroll-contain p-3 sm:p-4"
aria-live="polite"
>
{!aramaAktif ? (
<BaslangicIcerigi onSec={kapat} />
) : yukleniyor ? (
<AramaIskeleti />
) : sonucVar ? (
<div className="space-y-5">
{sonuclar.bolumler.length > 0 ? (
<SonucGrubu
baslik="Bölümler"
ikon={<GraduationCap className="size-4" aria-hidden />}
>
{sonuclar.bolumler.map((bolum) => (
<SonucLinki
key={bolum.href}
href={bolum.href}
baslik={bolum.ad}
meta={`${bolum.seviye} · ${sayi(bolum.programSayisi)} program`}
detay={
bolum.enIyiSira
? `En iyi sıra ${sayi(bolum.enIyiSira)}`
: "Sıralama verisi yok"
}
onSec={kapat}
/>
))}
</SonucGrubu>
) : null}
{sonuclar.universiteler.length > 0 ? (
<SonucGrubu
baslik="Üniversiteler"
ikon={<Building2 className="size-4" aria-hidden />}
>
{sonuclar.universiteler.map((universite) => (
<SonucLinki
key={universite.href}
href={universite.href}
baslik={universite.ad}
meta={
[universite.il, universite.tur]
.filter(Boolean)
.join(" · ") || "Üniversite"
}
detay={`${sayi(universite.programSayisi)} program · ${sayi(universite.fakulteSayisi)} fakülte`}
onSec={kapat}
/>
))}
</SonucGrubu>
) : null}
</div>
) : (
<div className="flex min-h-64 flex-col items-center justify-center px-6 text-center">
<div className="flex size-12 items-center justify-center rounded-2xl bg-slate-100 text-slate-500">
<Search className="size-5" aria-hidden />
</div>
<p className="mt-4 font-medium text-slate-900">
&quot;{temizSorgu}&quot; için sonuç bulunamadı
</p>
<p className="mt-1 max-w-sm text-sm leading-6 text-slate-500">
Bölüm veya üniversite adını farklı yazarak tekrar dene.
</p>
</div>
)}
</div>
<div className="flex items-center justify-between border-t border-slate-200 bg-slate-50/80 px-4 py-3 text-xs text-slate-500 sm:px-5">
<span>En az 2 harf yazarak ara</span>
<span className="hidden sm:inline">Esc ile kapat</span>
</div>
</DialogContent>
</Dialog>
</>
);
}
function BaslangicIcerigi({ onSec }: { onSec: () => void }) {
return (
<div>
<p className="px-2 pb-2 text-xs font-semibold uppercase tracking-wider text-slate-400">
Keşfet
</p>
<div className="grid gap-2 sm:grid-cols-3">
<KesfetLinki
href="/bolumler"
ikon={<GraduationCap className="size-5" aria-hidden />}
baslik="Tüm bölümler"
aciklama="Lisans ve önlisans"
onSec={onSec}
/>
<KesfetLinki
href="/universiteler"
ikon={<Building2 className="size-5" aria-hidden />}
baslik="Üniversiteler"
aciklama="Devlet ve vakıf"
onSec={onSec}
/>
<KesfetLinki
href="/rehber"
ikon={<BookOpenText className="size-5" aria-hidden />}
baslik="Tercih rehberi"
aciklama="Sorularına yanıtlar"
onSec={onSec}
/>
</div>
<div className="mt-6 rounded-xl border border-orange-100 bg-orange-50/70 p-4">
<p className="text-sm font-medium text-slate-900">
Neyi merak ediyorsun?
</p>
<p className="mt-1 text-sm leading-6 text-slate-600">
Psikoloji veya Boğaziçi gibi bir ad yaz; eşleşen sayfaları ve
temel bilgilerini burada önizle.
</p>
</div>
</div>
);
}
function KesfetLinki({
href,
ikon,
baslik,
aciklama,
onSec,
}: {
href: string;
ikon: React.ReactNode;
baslik: string;
aciklama: string;
onSec: () => void;
}) {
return (
<Link
href={href}
onClick={onSec}
className="group rounded-xl border border-slate-200 bg-white p-4 transition-[border-color,background-color,transform] duration-150 hover:border-slate-300 hover:bg-slate-50 active:scale-[0.98]"
>
<span className="flex size-9 items-center justify-center rounded-lg bg-slate-100 text-slate-600 transition-colors group-hover:bg-white">
{ikon}
</span>
<span className="mt-3 block text-sm font-semibold text-slate-900">
{baslik}
</span>
<span className="mt-0.5 block text-xs text-slate-500">{aciklama}</span>
</Link>
);
}
function SonucGrubu({
baslik,
ikon,
children,
}: {
baslik: string;
ikon: React.ReactNode;
children: React.ReactNode;
}) {
return (
<section>
<h3 className="mb-2 flex items-center gap-2 px-2 text-xs font-semibold uppercase tracking-wider text-slate-400">
{ikon}
{baslik}
</h3>
<div className="space-y-1">{children}</div>
</section>
);
}
function SonucLinki({
href,
baslik,
meta,
detay,
onSec,
}: {
href: string;
baslik: string;
meta: string;
detay: string;
onSec: () => void;
}) {
return (
<Link
href={href}
onClick={onSec}
className="group flex items-center gap-3 rounded-xl px-3 py-3 transition-colors duration-150 hover:bg-slate-100"
>
<span className="min-w-0 flex-1">
<span className="block truncate text-sm font-semibold text-slate-900">
{baslik}
</span>
<span className="mt-1 block truncate text-xs text-slate-500">
{meta}
</span>
</span>
<span className="hidden shrink-0 text-right text-xs text-slate-400 sm:block">
{detay}
</span>
<ArrowRight
className="size-4 shrink-0 text-slate-300 transition-[color,transform] duration-150 group-hover:translate-x-0.5 group-hover:text-slate-600"
aria-hidden
/>
</Link>
);
}
function AramaIskeleti() {
return (
<div className="space-y-2 px-2 pt-2" aria-label="Aranıyor">
{[0, 1, 2, 3].map((sira) => (
<div
key={sira}
className="flex h-16 animate-pulse items-center rounded-xl bg-slate-100 px-3 motion-reduce:animate-none"
>
<div className="h-4 w-2/5 rounded bg-slate-200" />
</div>
))}
</div>
);
}