import type { WidgetConfig } from '../types';

/**
 * Everything under `src/demo/` belongs to the aisthetix demo store, not to the
 * product. It ships in the same bundle because there is only one bundle, and it
 * stays dead unless a store deliberately turns it on.
 *
 * Deliberately strict: only a literal `true` counts. A merchant config that
 * happens to carry a truthy value under this key (a stray "1", a filter that
 * returns a string) must not switch a shopper into demo behaviour by accident.
 */
export function isDemo( config: WidgetConfig ): boolean {
	return config.demo === true;
}

/**
 * How many try-ons the demo advertises. Zero (or an absent/absurd value) means
 * "do not put a number on screen" rather than "no try-ons left".
 */
export function demoTryOnLimit( config: WidgetConfig ): number {
	const limit = config.demoTryOnLimit;
	if ( typeof limit !== 'number' || ! Number.isFinite( limit ) || limit <= 0 ) {
		return 0;
	}
	return Math.floor( limit );
}