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"use client"
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import { useState, useRef, useEffect, useCallback } from "react"
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import { Search, Loader2, ImageIcon } from "lucide-react"
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interface GifResult {
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id: string
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title: string
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url: string
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previewUrl: string
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previewHeight: number
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width: number
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height: number
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}
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interface GifPickerProps {
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onSelect: (gif: { url: string; previewUrl: string; title: string }) => void
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onClose: () => void
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}
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const SEARCH_CACHE = new Map<string, GifResult[]>()
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export function GifPicker({ onSelect, onClose }: GifPickerProps) {
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const [gifs, setGifs] = useState<GifResult[]>([])
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const [loading, setLoading] = useState(true)
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const [loadingMore, setLoadingMore] = useState(false)
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const [search, setSearch] = useState("")
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const [offset, setOffset] = useState(0)
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const [hasMore, setHasMore] = useState(true)
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const [error, setError] = useState("")
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const sentinelRef = useRef<HTMLDivElement>(null)
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const inputRef = useRef<HTMLInputElement>(null)
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const searchTimeoutRef = useRef<ReturnType<typeof setTimeout>>()
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const fetchGifs = useCallback(async (q: string, off: number, append: boolean) => {
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if (off === 0) {
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const cacheKey = q || "__trending__"
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const cached = SEARCH_CACHE.get(cacheKey)
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if (cached) {
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setGifs(cached)
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setLoading(false)
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setHasMore(true)
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setOffset(cached.length)
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return
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}
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}
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try {
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if (!append) setLoading(true)
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else setLoadingMore(true)
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setError("")
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const params = new URLSearchParams()
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if (q) {
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params.set("type", "search")
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params.set("q", q)
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}
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params.set("offset", String(off))
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params.set("limit", "20")
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const res = await fetch(`/api/ai/giphy?${params}`)
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if (!res.ok) {
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const data = await res.json()
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throw new Error(data.error || "Failed to fetch GIFs")
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}
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const data = await res.json()
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const newGifs: GifResult[] = data.gifs || []
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if (append) {
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setGifs((prev) => [...prev, ...newGifs])
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} else {
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setGifs(newGifs)
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if (off === 0 && !q) {
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SEARCH_CACHE.set("__trending__", newGifs)
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}
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if (q) {
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SEARCH_CACHE.set(q, newGifs)
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}
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}
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setOffset(off + newGifs.length)
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setHasMore(newGifs.length === 20)
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} catch (err: any) {
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setError(err.message || "Failed to load GIFs")
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} finally {
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setLoading(false)
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setLoadingMore(false)
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}
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}, [])
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useEffect(() => {
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fetchGifs("", 0, false)
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}, [fetchGifs])
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useEffect(() => {
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inputRef.current?.focus()
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}, [])
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useEffect(() => {
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if (searchTimeoutRef.current) clearTimeout(searchTimeoutRef.current)
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if (!search.trim()) {
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fetchGifs("", 0, false)
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return
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}
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searchTimeoutRef.current = setTimeout(() => {
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fetchGifs(search.trim(), 0, false)
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}, 400)
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return () => {
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if (searchTimeoutRef.current) clearTimeout(searchTimeoutRef.current)
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}
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}, [search, fetchGifs])
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useEffect(() => {
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const sentinel = sentinelRef.current
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if (!sentinel) return
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const observer = new IntersectionObserver(
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(entries) => {
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if (entries[0].isIntersecting && hasMore && !loadingMore && !loading) {
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fetchGifs(search.trim(), offset, true)
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}
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},
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{ rootMargin: "200px" }
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)
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observer.observe(sentinel)
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return () => observer.disconnect()
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}, [hasMore, loadingMore, loading, offset, search, fetchGifs])
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return (
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<div className="absolute bottom-full left-0 right-0 mb-2 bg-card border border-border rounded-2xl shadow-xl shadow-black/20 overflow-hidden z-50">
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<div className="p-3 border-b border-border">
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<div className="relative">
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<Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
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<input
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ref={inputRef}
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type="text"
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value={search}
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onChange={(e) => setSearch(e.target.value)}
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placeholder="Search GIFs..."
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className="w-full bg-muted/50 text-foreground text-sm rounded-xl pl-9 pr-4 py-2.5 outline-none focus:ring-2 focus:ring-primary/30 placeholder:text-muted-foreground/60"
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/>
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</div>
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</div>
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<div className="overflow-y-auto" style={{ maxHeight: "360px" }}>
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{loading ? (
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<div className="flex items-center justify-center py-16">
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<Loader2 className="h-6 w-6 animate-spin text-primary" />
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</div>
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) : error ? (
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<div className="flex flex-col items-center justify-center py-16 px-4 text-center">
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<ImageIcon className="h-8 w-8 text-muted-foreground mb-2" />
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<p className="text-sm text-muted-foreground">{error}</p>
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</div>
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) : gifs.length === 0 ? (
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<div className="flex flex-col items-center justify-center py-16 px-4 text-center">
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<ImageIcon className="h-8 w-8 text-muted-foreground mb-2" />
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<p className="text-sm text-muted-foreground">No GIFs found.</p>
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</div>
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) : (
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<>
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<div className="grid grid-cols-2 gap-2 p-3">
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{gifs.map((gif) => (
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<button
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key={gif.id}
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type="button"
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onClick={() => onSelect({ url: gif.url, previewUrl: gif.previewUrl, title: gif.title })}
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className="relative rounded-xl overflow-hidden bg-muted/30 hover:ring-2 hover:ring-primary/50 transition-all duration-200 aspect-video"
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title={gif.title}
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>
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<img
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src={gif.previewUrl}
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alt={gif.title || "GIF"}
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loading="lazy"
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className="w-full h-full object-cover"
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/>
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</button>
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))}
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</div>
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{loadingMore && (
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<div className="flex items-center justify-center py-4">
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<Loader2 className="h-5 w-5 animate-spin text-primary" />
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</div>
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)}
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{hasMore && <div ref={sentinelRef} className="h-4" />}
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</>
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)}
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</div>
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</div>
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)
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}
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Reference in New Issue
Block a user