/**
 * rApp Shortcut configuration utility.
 *
 * Reads/writes shortcut slot assignments (1–9) from localStorage.
 * Used by the settings UI in rstack-identity.ts.
 * The shell inline script reads localStorage directly (can't import ES modules).
 */

const STORAGE_KEY = "rspace-shortcuts";

export function getShortcuts(): Record<string, string> {
	try {
		return JSON.parse(localStorage.getItem(STORAGE_KEY) || "{}");
	} catch {
		return {};
	}
}

export function setShortcut(slot: string, moduleId: string): void {
	if (slot < "1" || slot > "9") return;
	const shortcuts = getShortcuts();
	shortcuts[slot] = moduleId;
	localStorage.setItem(STORAGE_KEY, JSON.stringify(shortcuts));
}

export function removeShortcut(slot: string): void {
	const shortcuts = getShortcuts();
	delete shortcuts[slot];
	localStorage.setItem(STORAGE_KEY, JSON.stringify(shortcuts));
}

export function getModuleForSlot(slot: string): string | null {
	return getShortcuts()[slot] ?? null;
}