// @vitest-environment jsdom
import { afterEach, describe, expect, it, vi } from 'vitest';
import type { WidgetConfig } from './types';
import { trackTryOnCompleted } from './events';

const config = {
	eventsUrl: 'https://brain.test/events',
	publishableKey: 'pk_test',
	visitorKey: 'visitor-1',
	customerId: 'customer-2',
} as WidgetConfig;

describe( 'trackTryOnCompleted', () => {
	afterEach( () => {
		delete window.aisthetixTrackEvent;
		vi.unstubAllGlobals();
	} );

	it( 'uses the bootstrap analytics contract when available', () => {
		window.aisthetixTrackEvent = vi.fn();
		trackTryOnCompleted( config, '42' );
		expect( window.aisthetixTrackEvent ).toHaveBeenCalledWith(
			'aisthetix_tryon_completed', { productId: '42' }
		);
	} );

	it( 'falls back to a fire-and-forget POST with the same shaped fields', () => {
		const fetchMock = vi.fn().mockResolvedValue( {} );
		vi.stubGlobal( 'fetch', fetchMock );
		trackTryOnCompleted( config, '' );

		const [ endpoint, request ] = fetchMock.mock.calls[ 0 ];
		expect( endpoint ).toBe( config.eventsUrl );
		expect( request.keepalive ).toBe( true );
		expect( request.credentials ).toBe( 'omit' );
		expect( JSON.parse( request.body ) ).toEqual( expect.objectContaining( {
			eventName: 'aisthetix_tryon_completed',
			visitorKey: 'visitor-1',
			customerId: 'customer-2',
			productId: null,
		} ) );
	} );

	it( 'stays inert without fallback credentials and swallows analytics failures', () => {
		const fetchMock = vi.fn();
		vi.stubGlobal( 'fetch', fetchMock );
		trackTryOnCompleted( { ...config, eventsUrl: '' }, '42' );
		expect( fetchMock ).not.toHaveBeenCalled();

		Object.defineProperty( window, 'aisthetixTrackEvent', {
			configurable: true,
			get: () => { throw new Error( 'blocked' ); },
		} );
		expect( () => trackTryOnCompleted( config, '42' ) ).not.toThrow();
	} );
} );