import { describe, it, expect } from 'vitest';
import { isDemo, demoTryOnLimit } from './config';
import type { WidgetConfig } from '../types';

const base: WidgetConfig = {
	apiBaseUrl: 'https://brain.example/api/storefront/tryon',
	publishableKey: 'pk_test',
	productImage: 'https://shop.example/garment.jpg',
	productTitle: 'Amalfi Linen Dress',
	productId: '12',
};

describe( 'isDemo', () => {
	it( 'is off when the merchant config says nothing', () => {
		expect( isDemo( base ) ).toBe( false );
	} );

	it( 'is off for a truthy value that is not literally true', () => {
		expect( isDemo( { ...base, demo: 1 as unknown as boolean } ) ).toBe( false );
		expect( isDemo( { ...base, demo: 'yes' as unknown as boolean } ) ).toBe( false );
	} );

	it( 'is on only for an explicit true', () => {
		expect( isDemo( { ...base, demo: true } ) ).toBe( true );
	} );
} );

describe( 'demoTryOnLimit', () => {
	it( 'reports the configured limit', () => {
		expect( demoTryOnLimit( { ...base, demoTryOnLimit: 5 } ) ).toBe( 5 );
	} );

	it( 'is zero when unset, so no number is put on screen', () => {
		expect( demoTryOnLimit( base ) ).toBe( 0 );
	} );

	it( 'refuses a nonsensical limit rather than counting down from it', () => {
		expect( demoTryOnLimit( { ...base, demoTryOnLimit: -3 } ) ).toBe( 0 );
		expect( demoTryOnLimit( { ...base, demoTryOnLimit: Number.NaN } ) ).toBe( 0 );
	} );

	it( 'floors a fractional limit', () => {
		expect( demoTryOnLimit( { ...base, demoTryOnLimit: 5.9 } ) ).toBe( 5 );
	} );
} );