/**
 * Products list selection + export id helpers (node:test friendly).
 */

export function idsEqual(a: string | number, b: string | number): boolean {
	return String(a) === String(b);
}

export function selectionHas(
	selected: ReadonlyArray<string | number>,
	id: string | number
): boolean {
	return selected.some((x) => idsEqual(x, id));
}

/** Immutable add/remove for the products table checkbox selection. */
export function setProductSelected(
	selected: ReadonlyArray<string | number>,
	id: string | number,
	selectedOn: boolean
): Array<string | number> {
	if (selectedOn) {
		if (selectionHas(selected, id)) return [...selected];
		return [...selected, id];
	}
	return selected.filter((x) => !idsEqual(x, id));
}

/** Toggle all visible (selectable) ids into / out of the selection. */
export function toggleSelectAllIds(
	selected: ReadonlyArray<string | number>,
	visibleIds: ReadonlyArray<string | number>
): Array<string | number> {
	const allOn =
		visibleIds.length > 0 && visibleIds.every((id) => selectionHas(selected, id));
	if (allOn) {
		return selected.filter((id) => !visibleIds.some((v) => idsEqual(v, id)));
	}
	const merged = [...selected];
	for (const id of visibleIds) {
		if (!selectionHas(merged, id)) merged.push(id);
	}
	return merged;
}

export function selectableProductIds(
	products: ReadonlyArray<{ id: string | number; processing_status?: string | null }>
): Array<string | number> {
	return products
		.filter((p) => p.processing_status !== "processing")
		.map((p) => p.id);
}

/** Raw product ids for processing jobs (raw tab uses row id; processed uses raw_product_id). */
export function selectedRawProductIds(
	products: ReadonlyArray<{
		id: string | number;
		raw_product_id?: string | number | null;
	}>,
	selected: ReadonlyArray<string | number>,
	kind: "processed" | "raw"
): string[] {
	const ids: string[] = [];
	for (const p of products) {
		if (!selectionHas(selected, p.id)) continue;
		if (kind === "raw") ids.push(String(p.id));
		else if (p.raw_product_id) ids.push(String(p.raw_product_id));
	}
	return ids;
}

export function toExportProductIds(selected: ReadonlyArray<string | number>): string[] {
	return selected.map(String);
}

export function canOpenExportDialog(selectedCount: number): boolean {
	return selectedCount > 0;
}

/** Map processing_status to ProductStatusBadge branch key. */
export function normalizeStatusBadgeLabel(status?: string | null): string {
	return String(status ?? "").trim() || "unknown";
}