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import {
PriceHistoryTooltip,
ProductDetailBody,
ProductDetailContent,
ProductDetailDescription,
ProductDetailDocLinks,
ProductDetailFieldRow,
ProductDetailFieldsColumn,
ProductDetailImageBox,
ProductDetailImageColumn,
ProductDetailPanelContainer,
ProductDetailVariantsColumn,
ProductDetailVariantsGrid,
ProductImageNavButton,
ProductImageTrigger,
} from '@/components/StyledComponents';
import { default as Link } from '@/components/TabLink';
import { ProductImageModal } from '@/components/SearchPanel/ProductImageModal';
import {
formatUsd,
PriceSparkline,
PriceTrend,
TREND_GLYPH,
type PriceHistorySettings,
} from '@/components/SearchPanel/PriceTrendGraph';
import { SupplierStoreNotice } from '@/components/SearchPanel/SupplierStoreNotice';
import { omit } from '@/helpers/collectionUtils';
import { i18n } from '@/helpers/i18n';
import { formatDisplayPrice } from '@/helpers/price';
import {
describeTrend,
getProductPriceHistory,
productSeriesKey,
resolveRowTrendPoints,
variantSeriesKey,
} from '@/helpers/priceHistory';
import { isPresent, resolveDisplayedVariants, resolveProductImages } from '@/helpers/product';
import { formatTimestamp, preloadImages } from '@/helpers/utils';
import COAIcon from '@/icons/COAIcon';
import SDSIcon from '@/icons/SDSIcon';
import TDSIcon from '@/icons/TDSIcon';
import { useCyclingIndex } from '@/shared/hooks/useCyclingIndex.hook';
import ArrowBackIosNewIcon from '@mui/icons-material/ArrowBackIosNew';
import ArrowForwardIosIcon from '@mui/icons-material/ArrowForwardIos';
import { Typography } from '@mui/material';
import type { Row, Table } from '@tanstack/react-table';
import {
Fragment,
useEffect,
useRef,
useState,
type MouseEvent,
type ReactElement,
type ReactNode,
} from 'react';
/** How long each image is shown before cycling to the next, in milliseconds. */
const IMAGE_CYCLE_MS = 3000;
/**
* Props for {@link ProductDetailPanel}.
* @source
*/
interface ProductDetailPanelProps {
/** The expanded top-level product row this panel details. */
row: Row<Product>;
/** The table instance, used to read `meta.userSettings` for price formatting. */
table: Table<Product>;
}
/** A populated product-detail entry rendered as a label/value pair. */
interface DetailField {
/** Column-style label shown in muted text. */
label: string;
/** Rendered value (text or a link/icon). */
value: ReactNode;
}
/**
* Builds the ordered list of populated detail fields for a product, skipping any
* that are empty. Text identifiers render as-is; SDS/TDS/COA and PubChem render
* as links so the user can open the underlying documents.
* @param product - The product whose details to surface.
* @returns The detail fields to render, in display order (empty when none apply).
* @example
* ```ts
* buildDetailFields({ cas: "7647-14-5", formula: "NaCl" } as Product);
* // => [{ label: "CAS", value: "7647-14-5" }, { label: "Formula", value: "NaCl" }]
* ```
* @source
*/
function buildDetailFields(product: Product): DetailField[] {
const fields: DetailField[] = [];
const pushText = (label: string, value: unknown) => {
if (isPresent(value)) fields.push({ label, value: String(value) });
};
pushText(i18n('product_detail_cas'), product.cas);
pushText(i18n('product_detail_formula'), product.formula);
pushText(i18n('product_detail_molecular_weight'), product.moleweight);
pushText(i18n('product_detail_iupac_name'), product.iupacName);
pushText(i18n('product_detail_inchikey'), product.inchiKey);
pushText(i18n('product_detail_inchi'), product.inchi);
pushText(i18n('product_detail_smiles'), product.smiles);
pushText(i18n('product_detail_purity'), product.purity);
pushText(i18n('product_detail_grade'), product.grade);
pushText(i18n('product_detail_concentration'), product.concentration);
pushText(i18n('product_detail_manufacturer'), product.manufacturer);
// Description is rendered in its own full-width band, not as a compact row.
// PubChem link — truthy check narrows the optional id.
const { pubchemId } = product;
if (pubchemId) {
fields.push({
label: i18n('product_detail_pubchem'),
value: (
<Link
href={`https://pubchem.ncbi.nlm.nih.gov/compound/${pubchemId}`}
aria-label={i18n('product_detail_pubchem_cid', [String(pubchemId)])}
title={i18n('product_detail_pubchem_view')}
>
{pubchemId}
</Link>
),
});
}
return fields;
}
/**
* Builds the SDS / TDS / COA document icon links for a product, shown beneath
* its image. Each link is included only when its URL is set.
* @param product - The product whose document URLs to surface.
* @returns The document links in display order (empty when the product has none).
* @example
* ```tsx
* buildDocLinks({ sdsUrl: "https://s.pdf" } as Product); // => [<Link><SDSIcon/></Link>]
* ```
* @source
*/
function buildDocLinks(product: Product): ReactNode[] {
const links: ReactNode[] = [];
const { sdsUrl, specSheetUrl, coaUrl } = product;
if (sdsUrl) {
links.push(
<Link
key="sds"
href={sdsUrl}
aria-label={i18n('product_detail_sds')}
title={i18n('product_detail_sds')}
>
<SDSIcon fontSize="small" />
</Link>,
);
}
if (specSheetUrl) {
links.push(
<Link
key="tds"
href={specSheetUrl}
aria-label={i18n('product_detail_tds')}
title={i18n('product_detail_tds')}
>
<TDSIcon fontSize="small" />
</Link>,
);
}
if (coaUrl) {
links.push(
<Link
key="coa"
href={coaUrl}
aria-label={i18n('product_detail_coa')}
title={i18n('product_detail_coa')}
>
<COAIcon fontSize="small" />
</Link>,
);
}
return links;
}
/**
* Props for {@link ProductImageCarousel}.
* @source
*/
interface ProductImageCarouselProps {
/** The resolved images to display, in order. */
images: ReturnType<typeof resolveProductImages>;
/** Product title, used for the alt/aria fallback text. */
title: string;
}
/**
* Renders a product's image in the fixed-size detail box, cycling through the
* images on a fixed interval (`IMAGE_CYCLE_MS`) when there is more than one. Hovering the
* image reveals semi-transparent prev/next arrows for manual navigation; a click
* anywhere else opens the full image in a new tab. Images that fail to load (e.g.
* a CACTUS 404) are dropped from the rotation; the box disappears only once every
* image has failed.
* @param props - The images to show and the product title for fallback text.
* @returns The image box, or `null` when there are no loadable images.
* @example
* ```tsx
* <ProductImageCarousel images={resolveProductImages(product)} title={product.title} />
* ```
* @source
*/
export function ProductImageCarousel({
images,
title,
}: ProductImageCarouselProps): ReactElement | null {
const [broken, setBroken] = useState<ReadonlySet<number>>(new Set());
const [modalOpen, setModalOpen] = useState(false);
// URLs already handed to the preloader, so we never fetch the same one twice.
const preloadedRef = useRef<Set<string>>(new Set());
const available = images
.map((image, index) => ({ image, index }))
.filter(({ index }) => !broken.has(index));
const { index: position, next, prev } = useCyclingIndex(available.length, IMAGE_CYCLE_MS);
// The thumbnails the carousel actually renders, in cycle order. The first is shown
// immediately (loaded by the <img> below), so we preload only the rest — ahead of the
// automatic rotation — and the key keeps the effect stable across value-equal renders.
const thumbnails = available.map(({ image }) => image.thumbSrc).filter(Boolean);
const thumbnailKey = thumbnails.join('\n');
useEffect(() => {
const urls = thumbnailKey.length > 0 ? thumbnailKey.split('\n') : [];
const pending = urls.slice(1).filter((url) => !preloadedRef.current.has(url));
if (pending.length === 0) return;
for (const url of pending) preloadedRef.current.add(url);
void preloadImages(pending);
}, [thumbnailKey]);
if (available.length === 0) return null;
const current = available[Math.min(position, available.length - 1)];
const hasMultiple = available.length > 1;
// Cycle without letting the click bubble to the trigger that opens the modal.
const navigate = (event: MouseEvent, step: () => void) => {
event.preventDefault();
event.stopPropagation();
step();
};
return (
<Fragment>
<ProductDetailImageBox>
<ProductImageTrigger
type="button"
aria-label={i18n('product_detail_view_images', [title])}
onClick={() => setModalOpen(true)}
>
<img
src={current.image.thumbSrc}
alt={current.image.altText ?? title}
onError={() => setBroken((brokenSet) => new Set(brokenSet).add(current.index))}
/>
</ProductImageTrigger>
{hasMultiple && (
<>
<ProductImageNavButton
type="button"
className="image-nav prev"
aria-label={i18n('product_detail_prev_image')}
onClick={(event) => navigate(event, prev)}
>
<ArrowBackIosNewIcon fontSize="small" />
</ProductImageNavButton>
<ProductImageNavButton
type="button"
className="image-nav next"
aria-label={i18n('product_detail_next_image')}
onClick={(event) => navigate(event, next)}
>
<ArrowForwardIosIcon fontSize="small" />
</ProductImageNavButton>
</>
)}
</ProductDetailImageBox>
<ProductImageModal
open={modalOpen}
onClose={() => setModalOpen(false)}
images={available.map(({ image }) => image)}
title={title}
initialIndex={position}
/>
</Fragment>
);
}
/**
* Per-entry trend badge for the price-history popover: a colored arrow and
* signed percent comparing this point to the previous one (rising = red).
* Renders nothing for the baseline point, which has no prior to compare to.
* @param props - The previous point (if any) and the current point.
* @returns The badge element, or `null` for the baseline point.
* @example
* ```tsx
* <EntryTrend prev={{ t: 1, usd: 20 }} curr={{ t: 2, usd: 22 }} />; // ▲ +10.0%
* ```
* @source
*/
function EntryTrend({ prev, curr }: { prev?: PricePoint; curr: PricePoint }): ReactElement | null {
if (prev === undefined) return null;
const trend = describeTrend([prev, curr]);
const sign = trend.deltaUsd > 0 ? '+' : trend.deltaUsd < 0 ? '−' : '';
const paletteKey =
trend.direction === 'up' ? 'error' : trend.direction === 'down' ? 'success' : undefined;
return (
<Typography
component="span"
variant="caption"
sx={(theme) => ({
whiteSpace: 'nowrap',
fontWeight: 600,
fontSize: 'inherit',
// Brighten the arrows on the dark popover surface (green especially reads
// dim there); keep the standard shade on the light surface.
color:
paletteKey === undefined
? theme.palette.text.secondary
: theme.palette[paletteKey][theme.palette.mode === 'dark' ? 'light' : 'main'],
})}
>
{TREND_GLYPH[trend.direction]}
{trend.direction !== 'flat' && ` ${sign}${Math.abs(trend.pctChange).toFixed(1)}%`}
</Typography>
);
}
/**
* Popover contents for a variant's price history: a sparkline on top (left to
* right, oldest → newest) followed by a dated list of its recorded points
* newest-first, each with its price and a trend badge comparing it to the
* previous (older) entry, formatted in the user's currency.
* @param props - The variant's series points and the user's currency settings.
* @returns The card element, or `null` when there aren't two points to show.
* @example
* ```tsx
* <VariantPriceHistoryCard points={variantSeries.points} userSettings={userSettings} />
* ```
* @source
*/
function VariantPriceHistoryCard({
points,
userSettings,
}: {
points: readonly PricePoint[];
userSettings?: PriceHistorySettings;
}): ReactElement | null {
if (points.length < 2) return null;
return (
<div style={{ minWidth: 180 }}>
<div style={{ color: 'inherit', marginBottom: 6 }}>
<PriceSparkline points={points} />
</div>
<table style={{ borderCollapse: 'collapse', width: '100%', fontSize: '0.72rem' }}>
<thead>
<tr>
<th style={{ textAlign: 'left', paddingRight: 12, opacity: 0.7, fontWeight: 600 }}>
{i18n('product_detail_price_history_col_date')}
</th>
<th style={{ textAlign: 'right', opacity: 0.7, fontWeight: 600 }}>
{i18n('product_detail_price_history_col_price')}
</th>
<th aria-hidden />
</tr>
</thead>
<tbody>
{/* Build rows oldest→newest so each trend compares to the prior (older)
point, then reverse for display so the newest sits at the top. */}
{points
.map((point, index) => (
<tr key={point.t}>
<td style={{ textAlign: 'left', paddingRight: 12, whiteSpace: 'nowrap' }}>
{formatTimestamp(point.t)}
</td>
<td style={{ textAlign: 'right', whiteSpace: 'nowrap' }}>
{formatUsd(point.usd, userSettings)}
</td>
<td style={{ textAlign: 'right', paddingLeft: 12, whiteSpace: 'nowrap' }}>
<EntryTrend prev={points[index - 1]} curr={point} />
</td>
</tr>
))
.reverse()}
</tbody>
</table>
</div>
);
}
/**
* The base product's price-history block: current price, trend, and a sparkline
* with the recorded-point count. Falls back to a "No history yet" note while
* tracking is enabled but fewer than two points exist; renders nothing when
* tracking is disabled and no history was ever recorded.
* @param props - The aggregated price points to summarize and the user's settings.
* @returns The history block, or `null` when there's nothing to show.
* @example
* ```tsx
* <ProductPriceHistory points={aggregatePoints} userSettings={userSettings} />
* ```
* @source
*/
function ProductPriceHistory({
points,
userSettings,
}: {
points?: readonly PricePoint[];
userSettings?: PriceHistorySettings;
}): ReactElement | null {
const hasTrend = points !== undefined && points.length >= 2;
if (!hasTrend && userSettings?.priceTracking?.enabled === false) {
return null;
}
return (
<ProductDetailFieldRow>
<span className="detail-label">
{i18n('product_detail_price_history_currency', [userSettings?.currency ?? 'USD'])}
</span>
<span className="detail-value">
{hasTrend ? (
<span style={{ display: 'inline-flex', alignItems: 'center', gap: 8, flexWrap: 'wrap' }}>
<span style={{ color: 'inherit' }}>
<PriceSparkline points={points} colorByTrend />
</span>
<PriceTrend points={points} userSettings={userSettings} />
<Typography component="span" variant="caption" color="text.secondary">
{i18n('product_detail_points', [String(points.length)])}
</Typography>
</span>
) : (
<Typography component="span" variant="caption" color="text.secondary">
{i18n('product_detail_no_history')}
</Typography>
)}
</span>
</ProductDetailFieldRow>
);
}
/**
* Expanded detail panel rendered beneath a product row in place of variant
* sub-rows. Shows (left) the product image or a derived structure depiction,
* (middle) every populated detail field, and (right) the product's variants as
* links with their price and quantity.
*
* Variants are sourced from the row's filtered `subRows` so an active filter
* narrows the list; when no filter is applied this equals the full variant set.
* @param props - The row to detail and the table instance for user settings.
* @returns The rendered detail panel.
* @example
* ```tsx
* <ProductDetailPanel row={row} table={table} />
* ```
* @source
*/
export function ProductDetailPanel({ row, table }: ProductDetailPanelProps): ReactElement {
const product = row.original;
const userSettings = table.options.meta?.userSettings;
const images = resolveProductImages(product);
// Load recorded price history for this product (base + variant series), keyed
// by series id for direct lookup below. Re-runs if the product identity changes.
const productKey = productSeriesKey(product);
const [priceHistory, setPriceHistory] = useState<Map<string, PriceHistoryEntry>>(new Map());
useEffect(() => {
let cancelled = false;
const load = async () => {
const map = await getProductPriceHistory(product);
if (!cancelled) setPriceHistory(map);
};
void load();
return () => {
cancelled = true;
};
}, [product, productKey]);
// Prefer the filtered sub-rows (respecting active filters); fall back to the
// raw variants. Product[] is assignable to Variant[] since Product extends it.
const variants: Variant[] =
row.subRows.length > 0 ? row.subRows.map((sub) => sub.original) : (product.variants ?? []);
// Include the parent product itself as a row unless a supplier already lists it
// as a variant. Shared with the table's ungrouped display mode so the two never
// drift; see resolveDisplayedVariants for the identity/purchasable-unit dedup.
const displayedVariants = resolveDisplayedVariants(product, variants);
// Resolve a row's recorded series: the parent's history lives under the base
// productKey, every other variant under its own variant key.
const seriesFor = (variant: Variant): PriceHistoryEntry | undefined => {
const key = variant === product ? productKey : variantSeriesKey(product, variant);
return key !== undefined ? priceHistory.get(key) : undefined;
};
// The product-level summary aggregates the *displayed* rows into one mean-price
// series (shared with the results table's trend column), so it can never
// contradict the rows below it.
const aggregatePoints = resolveRowTrendPoints(product, displayedVariants, priceHistory);
const detailFields = buildDetailFields(product);
const docLinks = buildDocLinks(product);
const hasVariants = displayedVariants.length > 0;
return (
<ProductDetailPanelContainer>
{(images.length > 0 || docLinks.length > 0) && (
<ProductDetailImageColumn>
<ProductImageCarousel images={images} title={product.title} />
{docLinks.length > 0 && <ProductDetailDocLinks>{docLinks}</ProductDetailDocLinks>}
</ProductDetailImageColumn>
)}
<ProductDetailContent>
<SupplierStoreNotice product={product} />
{isPresent(product.description) && (
<ProductDetailDescription>
<TruncatedDescription text={product.description} />
</ProductDetailDescription>
)}
<ProductDetailBody>
<ProductDetailFieldsColumn>
{detailFields.map((field) => (
<ProductDetailFieldRow key={field.label}>
<span className="detail-label">{field.label}</span>
<span className="detail-value">{field.value}</span>
</ProductDetailFieldRow>
))}
<ProductPriceHistory points={aggregatePoints} userSettings={userSettings} />
</ProductDetailFieldsColumn>
{product.parentProduct ? (
<ProductDetailVariantsColumn>
<ProductDetailFieldRow>
<span className="detail-label">{i18n('product_detail_parent_product')}</span>
<span className="detail-value">
<Link href={product.parentProduct.permalink ?? product.parentProduct.url}>
{product.parentProduct.title}
</Link>
</span>
</ProductDetailFieldRow>
</ProductDetailVariantsColumn>
) : (
hasVariants && (
<ProductDetailVariantsColumn>
<ProductDetailVariantsGrid>
<Typography
className="variant-header"
variant="caption"
color="text.secondary"
fontWeight={600}
>
{i18n('product_detail_variants_currency', [userSettings?.currency ?? 'USD'])}
</Typography>
{displayedVariants.map((variant, index) => {
const variantId = variantSeriesKey(product, variant);
const variantSeries = seriesFor(variant);
return (
<Fragment key={`${variantId ?? variant.title ?? 'variant'}-${index}`}>
<span className="variant-name">
<Link
href={
variant.permalink ?? variant.url ?? product.permalink ?? product.url
}
history={{
type: 'product',
data: omit({ ...product, ...variant }, 'variants'),
}}
>
{variant.title ?? product.title}
</Link>
</span>
<span className="variant-price">
{formatDisplayPrice(variant, userSettings)}
</span>
<span className="variant-qty">{variantQuantity(variant)}</span>
<span className="variant-trend">
{variantSeries && variantSeries.points.length >= 2 && (
<PriceHistoryTooltip
arrow
title={
<VariantPriceHistoryCard
points={variantSeries.points}
userSettings={userSettings}
/>
}
>
<span style={{ display: 'inline-flex' }}>
<PriceTrend
points={variantSeries.points}
userSettings={userSettings}
/>
</span>
</PriceHistoryTooltip>
)}
</span>
</Fragment>
);
})}
</ProductDetailVariantsGrid>
</ProductDetailVariantsColumn>
)
)}
</ProductDetailBody>
</ProductDetailContent>
</ProductDetailPanelContainer>
);
}
/**
* Formats a variant's quantity and unit for the variants list, e.g. `"500 g"`.
* @param variant - The variant to format.
* @returns The `"<quantity> <uom>"` string, or `""` when no quantity is set.
* @example
* ```ts
* variantQuantity({ quantity: 500, uom: "g" }); // => "500 g"
* variantQuantity({}); // => ""
* ```
* @source
*/
function variantQuantity(variant: Variant): string {
if (!isPresent(variant.quantity)) return '';
return `${variant.quantity} ${variant.uom ?? ''}`.trim();
}
|