All files / src/pages/admin room-categories-detail.tsx

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86.81% Branches 79/91
100% Functions 23/23
97.75% Lines 87/89

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import { useState, useCallback, useEffect, useRef } from "react";
import { Link, useParams } from "@tanstack/react-router";
import { useQueryClient } from "@tanstack/react-query";
import { Camera, Check, ExternalLink, X } from "lucide-react";
 
import {
	Card,
	CardContent,
	CardHeader,
	CardTitle,
} from "../../components/ui/card";
import { Button } from "../../components/ui/button";
import { adminApi, getImageUrl } from "../../lib/api";
import type { RoomCategoryMedia } from "../../lib/api";
import { queryKeys } from "../../lib/query-keys";
import {
	useAdminRoomCategory,
	useAdminRoomCategoryMedia,
} from "../../hooks/queries/useAdminQueries";
import { ApiError } from "../../lib/api";
 
// ─── Toast ────────────────────────────────────────────────────────────────────
 
type ToastState = {
	id: number;
	message: string;
	variant: "success" | "error";
};
 
function Toast({
	toast,
	onDismiss,
}: {
	toast: ToastState;
	onDismiss: (id: number) => void;
}) {
	useEffect(() => {
		const timer = setTimeout(() => onDismiss(toast.id), 4000);
		return () => clearTimeout(timer);
	}, [toast.id, onDismiss]);
 
	return (
		<div
			className={`flex items-center gap-2 px-4 py-3 rounded text-sm font-medium text-white shadow-lg ${
				toast.variant === "success"
					? "bg-foreground-default"
					: "bg-amber-700"
			}`}
			role="status"
			aria-live="polite"
		>
			{toast.variant === "success" ? "✓" : "⚠"} {toast.message}
		</div>
	);
}
 
// ─── Photo cell ───────────────────────────────────────────────────────────────
 
type PhotoCellProps = {
	media: RoomCategoryMedia;
	isSelected: boolean;
	colIndex: number;
	rowIndex: number;
	totalCols: number;
	totalItems: number;
	onSelect: (media: RoomCategoryMedia) => void;
	onKeyNav: (
		colIndex: number,
		rowIndex: number,
		direction: "up" | "down" | "left" | "right",
	) => void;
	cellRef: (el: HTMLButtonElement | null) => void;
};
 
function PhotoCell({
	media,
	isSelected,
	colIndex,
	rowIndex,
	onSelect,
	onKeyNav,
	cellRef,
}: PhotoCellProps) {
	const altText =
		media.altText || `${media.proBusinessName} - ${media.projectTitle}`;
 
	const handleKeyDown = (e: React.KeyboardEvent) => {
		Iif (e.key === "Enter" || e.key === " ") {
			e.preventDefault();
			onSelect(media);
		} else if (e.key === "ArrowUp") {
			e.preventDefault();
			onKeyNav(colIndex, rowIndex, "up");
		} else if (e.key === "ArrowDown") {
			e.preventDefault();
			onKeyNav(colIndex, rowIndex, "down");
		} else if (e.key === "ArrowLeft") {
			e.preventDefault();
			onKeyNav(colIndex, rowIndex, "left");
		E} else if (e.key === "ArrowRight") {
			e.preventDefault();
			onKeyNav(colIndex, rowIndex, "right");
		}
	};
 
	return (
		<button
			ref={cellRef}
			type="button"
			aria-pressed={isSelected}
			aria-label={`Select ${altText} as cover`}
			onClick={() => onSelect(media)}
			onKeyDown={handleKeyDown}
			className={`relative aspect-[4/3] rounded cursor-pointer outline-none transition-transform duration-75 group p-0 border-0 bg-transparent text-left ${
				isSelected
					? "ring-2 ring-primary-600 scale-[1.01]"
					: "ring-2 ring-transparent hover:scale-[1.02] focus-visible:ring-primary-600 focus-visible:shadow-[0_0_0_3px_rgba(196,106,74,0.2)]"
			}`}
		>
			<img
				src={getImageUrl(media.url)}
				alt={altText}
				className="w-full h-full object-cover rounded"
				loading="lazy"
			/>
 
			{/* Selected checkmark badge */}
			{isSelected && (
				<div className="absolute top-1 right-1 w-[22px] h-[22px] rounded-full bg-primary-600 flex items-center justify-center">
					<Check className="h-3 w-3 text-white" strokeWidth={3} />
				</div>
			)}
 
			{/* Pro badge overlay — revealed on hover/focus */}
			<div className="absolute bottom-1.5 left-1.5 right-1.5 bg-black/70 rounded px-1.5 py-1 text-[11px] text-white leading-tight opacity-0 group-hover:opacity-100 group-focus-visible:opacity-100 transition-opacity duration-75 pointer-events-none">
				{media.proBusinessName} · {media.projectTitle}
			</div>
		</button>
	);
}
 
// ─── Main page ────────────────────────────────────────────────────────────────
 
export function AdminRoomCategoryDetailPage() {
	const params = useParams({ strict: false }) as { code?: string };
	const code = params.code ?? "";
 
	const queryClient = useQueryClient();
	const [sortBy, setSortBy] = useState<"recent" | "popular">("recent");
	const [optimisticSelectedId, setOptimisticSelectedId] = useState<
		number | null | undefined
	>(undefined); // undefined = use server value
	const [toasts, setToasts] = useState<ToastState[]>([]);
	const toastIdRef = useRef(0);
 
	const { data: category, isLoading: catLoading, isError: catError } =
		useAdminRoomCategory(code || null);
	const {
		data: media,
		isLoading: mediaLoading,
		isError: mediaError,
		refetch: refetchMedia,
	} = useAdminRoomCategoryMedia(code || null, sortBy);
 
	// The resolved selected media id: optimistic takes precedence over server state
	const selectedMediaId =
		optimisticSelectedId !== undefined
			? optimisticSelectedId
			: category?.coverMediaId ?? null;
 
	// Arrow-key navigation between gallery cells
	// We store refs by flat index (row * cols + col)
	const COLS = 3;
	const cellRefs = useRef<Map<number, HTMLButtonElement>>(new Map());
	const setCellRef = useCallback(
		(flatIndex: number) => (el: HTMLButtonElement | null) => {
			if (el) {
				cellRefs.current.set(flatIndex, el);
			} else {
				cellRefs.current.delete(flatIndex);
			}
		},
		[],
	);
 
	const handleKeyNav = useCallback(
		(
			colIndex: number,
			rowIndex: number,
			direction: "up" | "down" | "left" | "right",
		) => {
			const totalItems = media?.length ?? 0;
			let newCol = colIndex;
			let newRow = rowIndex;
 
			if (direction === "left") newCol = Math.max(0, colIndex - 1);
			else if (direction === "right") newCol = Math.min(COLS - 1, colIndex + 1);
			else if (direction === "up") newRow = Math.max(0, rowIndex - 1E);
			else if (direction === "down") newRow = rowIndex + 1;
 
			const newFlat = newRow * COLS + newCol;
			Eif (newFlat < totalItems && newFlat >= 0) {
				cellRefs.current.get(newFlat)?.focus();
			}
		},
		[media?.length],
	);
 
	const addToast = useCallback((message: string, variant: ToastState["variant"]) => {
		const id = ++toastIdRef.current;
		setToasts((prev) => [...prev, { id, message, variant }]);
	}, []);
 
	const dismissToast = useCallback((id: number) => {
		setToasts((prev) => prev.filter((t) => t.id !== id));
	}, []);
 
	const handleSelectPhoto = useCallback(
		async (selectedMedia: RoomCategoryMedia) => {
			// Optimistic update
			setOptimisticSelectedId(selectedMedia.id);
 
			try {
				await adminApi.setRoomCategoryCover(code, selectedMedia.id);
				// Invalidate both list and detail queries
				queryClient.invalidateQueries({
					queryKey: queryKeys.admin.roomCategories.all,
				});
				addToast(
					`${category?.label ?? "Category"} cover updated. Homepage refreshes within 60 seconds.`,
					"success",
				);
				// Keep optimistic selection in sync
				setOptimisticSelectedId(undefined);
			} catch (err) {
				// Roll back optimistic update
				setOptimisticSelectedId(undefined);
 
				if (err instanceof ApiError && err.status === 409) {
					addToast(
						"That photo was removed by the pro. Please pick another.",
						"error",
					);
					// Refetch gallery to drop the deleted photo
					refetchMedia();
				} else {
					addToast(
						"Failed to set cover. Please try again.",
						"error",
					);
				}
			}
		},
		[code, category?.label, queryClient, addToast, refetchMedia],
	);
 
	const handleClearCover = useCallback(async () => {
		setOptimisticSelectedId(null);
		try {
			await adminApi.clearRoomCategoryCover(code);
			queryClient.invalidateQueries({
				queryKey: queryKeys.admin.roomCategories.all,
			});
			addToast("Curated cover cleared. Algorithmic selection will be used.", "success");
			setOptimisticSelectedId(undefined);
		} catch {
			setOptimisticSelectedId(undefined);
			addToast("Failed to clear cover. Please try again.", "error");
		}
	}, [code, queryClient, addToast]);
 
	const marketplaceUrl = import.meta.env.VITE_MARKETPLACE_URL || "http://localhost:7003";
 
	if (catError) {
		return (
			<div className="space-y-4">
				<div className="text-sm text-foreground-muted">
					<Link to="/admin/room-categories" className="hover:text-primary-600">
						Room categories
					</Link>
					{" / "}
					<span>{code}</span>
				</div>
				<div className="rounded-md bg-error-light border border-error/20 p-4 text-sm text-error">
					Failed to load room category. Please refresh.
				</div>
			</div>
		);
	}
 
	const categoryLabel = category?.label ?? code;
 
	return (
		<div className="space-y-6">
			{/* Breadcrumb */}
			<div className="text-sm text-foreground-muted">
				<Link to="/admin/room-categories" className="hover:text-primary-600">
					Room categories
				</Link>
				{" / "}
				<span className="text-foreground-default">{categoryLabel}</span>
			</div>
 
			{/* Page title */}
			<div>
				<div className="flex items-baseline gap-3">
					<h1 className="text-2xl font-bold text-foreground-default">
						{catLoading ? (
							<span className="inline-block h-7 w-32 bg-background-muted rounded animate-pulse" />
						) : (
							categoryLabel
						)}
					</h1>
					{category && !catLoading && (
						<span className="text-sm text-foreground-subtle">
							{category.projectCount} projects · {category.photoCount} photos available
						</span>
					)}
				</div>
			</div>
 
			{/* Two-panel layout */}
			<div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
				{/* LEFT: Current cover */}
				<Card>
					<CardHeader>
						<CardTitle>Current cover</CardTitle>
						<p className="text-sm text-foreground-muted mt-1">
							This image appears on the marketplace homepage and the /rooms/{code} page.
						</p>
					</CardHeader>
					<CardContent>
						{catLoading ? (
							<div
								className="w-full rounded aspect-[4/3] animate-pulse"
								style={{
									background:
										"linear-gradient(110deg, #f0efed 8%, #fafaf9 18%, #f0efed 33%)",
									backgroundSize: "200% 100%",
									animation: "shimmer 1.5s infinite",
								}}
							/>
						) : category?.coverMediaUrl ? (
							<>
								{/* Cover image with source badge */}
								<div className="relative aspect-[4/3] rounded overflow-hidden border border-border-default">
									<img
										src={getImageUrl(category.coverMediaUrl)}
										alt={category.coverMediaAlt || categoryLabel}
										className="w-full h-full object-cover"
									/>
									<div
										className={`absolute top-3 left-3 text-[11px] font-bold uppercase tracking-wide px-2 py-1 rounded ${
											category.coverSource === "curated"
												? "bg-green-100 text-green-700"
												: "bg-amber-100 text-amber-700"
										}`}
									>
										{category.coverSource === "curated" ? "Curated" : "Algorithmic"}
									</div>
								</div>
 
								{/* Attribution */}
								<p className="text-sm text-foreground-muted mt-3">
									From{" "}
									<strong className="text-foreground-default">
										{category.coverProjectTitle}
									</strong>{" "}
									by{" "}
									<strong className="text-foreground-default">
										{category.coverProName}
									</strong>
									{category.coverUploadedAt && (
										<>
											{" · uploaded "}
											{Math.floor(
												(Date.now() - new Date(category.coverUploadedAt).getTime()) /
													(1000 * 60 * 60 * 24),
											)}{" "}
											days ago
										</>
									)}
								</p>
 
								{/* Actions */}
								<div className="flex gap-2 mt-3">
									{category.coverSource === "curated" && (
										<Button
											variant="outline"
											size="sm"
											onClick={handleClearCover}
											className="text-amber-700 border-amber-200 hover:bg-amber-50"
										>
											<X className="h-4 w-4 mr-1.5" />
											Clear curated cover
										</Button>
									)}
									<Button
										variant="ghost"
										size="sm"
										asChild
									>
										<a
											href={`${marketplaceUrl}/rooms/${code}`}
											target="_blank"
											rel="noopener noreferrer"
										>
											View on homepage
											<ExternalLink className="h-3.5 w-3.5 ml-1.5" />
										</a>
									</Button>
								</div>
							</>
						) : (
							/* Empty cover state */
							<>
								<div className="w-full aspect-[4/3] rounded border border-border-default bg-background-muted flex flex-col items-center justify-center gap-2">
									<Camera className="h-8 w-8 text-foreground-subtle" />
									<span className="text-sm text-foreground-subtle">No cover image</span>
								</div>
								<p className="text-sm text-foreground-muted mt-3">
									Pros need to upload {categoryLabel.toLowerCase()} photos before this
									category can get a cover.
								</p>
							</>
						)}
					</CardContent>
				</Card>
 
				{/* RIGHT: Photo picker */}
				<Card>
					<CardHeader>
						<CardTitle>Pick from {categoryLabel.toLowerCase()} photos</CardTitle>
						<p className="text-sm text-foreground-muted mt-1">
							Click any photo to set it as the {categoryLabel.toLowerCase()} category cover.
						</p>
					</CardHeader>
					<CardContent>
						{/* Toolbar */}
						<div className="flex items-center gap-3 pb-4 mb-4 border-b border-border-default flex-wrap">
							<span className="text-sm text-foreground-muted">
								{mediaLoading ? "Loading…" : `${media?.length ?? 0} photos · sorted by upload date`}
							</span>
							<select
								value={sortBy}
								onChange={(e) =>
									setSortBy(e.target.value as "recent" | "popular")
								}
								className="ml-auto text-sm border border-border-default rounded px-2.5 py-1 bg-background-elevated focus:outline-none focus:ring-2 focus:ring-primary-500/40"
								aria-label="Sort photos"
							>
								<option value="recent">Most recent</option>
								<option value="popular">Most viewed</option>
							</select>
						</div>
 
						{/* Gallery */}
						{mediaLoading ? (
							<div className="grid grid-cols-3 gap-2 lg:grid-cols-3 md:grid-cols-4">
								{[1, 2, 3, 4, 5, 6].map((i) => (
									<div
										key={i}
										className="aspect-[4/3] rounded animate-pulse"
										style={{
											background:
												"linear-gradient(110deg, #f0efed 8%, #fafaf9 18%, #f0efed 33%)",
											backgroundSize: "200% 100%",
											animationDelay: `${(i - 1) * 0.1}s`,
										}}
									/>
								))}
							</div>
						) : mediaError ? (
							<div className="rounded border border-error/20 bg-error-light p-4 text-sm text-error">
								Failed to load photos.{" "}
								<button
									type="button"
									onClick={() => refetchMedia()}
									className="underline"
								>
									Retry
								</button>
							</div>
						) : !media || media.length === 0 ? (
							<div className="rounded border border-dashed border-border-default bg-background-muted/40 p-12 text-center">
								<p className="font-semibold text-foreground-default mb-2">
									No {categoryLabel.toLowerCase()} photos available yet
								</p>
								<p className="text-sm text-foreground-muted mb-4">
									Pros haven't published any projects with{" "}
									{categoryLabel.toLowerCase()} photos yet. Until they do,
									this category will show a generic placeholder on the marketplace.
								</p>
								<Button variant="outline" size="sm" asChild>
									<Link to="/admin/pros">
										View pros without {categoryLabel.toLowerCase()} photos &rarr;
									</Link>
								</Button>
							</div>
						) : (
							<ul
								className="grid grid-cols-3 md:grid-cols-4 lg:grid-cols-3 gap-2 max-h-[480px] overflow-y-auto pr-1 list-none p-0 m-0"
								aria-label={`${categoryLabel} photos`}
							>
								{media.map((item, index) => {
									const col = index % COLS;
									const row = Math.floor(index / COLS);
									return (
										<li key={item.id} className="contents">
											<PhotoCell
												media={item}
												isSelected={item.id === selectedMediaId}
												colIndex={col}
												rowIndex={row}
												totalCols={COLS}
												totalItems={media.length}
												onSelect={handleSelectPhoto}
												onKeyNav={handleKeyNav}
												cellRef={setCellRef(index)}
											/>
										</li>
									);
								})}
							</ul>
						)}
					</CardContent>
				</Card>
			</div>
 
			{/* Toast container */}
			<div className="fixed bottom-4 right-4 flex flex-col gap-2 z-50">
				{toasts.map((toast) => (
					<Toast key={toast.id} toast={toast} onDismiss={dismissToast} />
				))}
			</div>
		</div>
	);
}