function getWatchUrl(scene) {
	if (scene.url) {
		return scene.url;
	}

	if (scene.channel && (scene.channel.isIndependent || scene.channel.type === 'network')) {
		return scene.channel.url;
	}

	if (scene.network) {
		return scene.network.url;
	}

	return null;
}

export function getAffiliateSceneUrl(scene) {
	const watchUrl = getWatchUrl(scene);

	if (!watchUrl) {
		return null;
	}

	if (!scene.affiliate) {
		return watchUrl;
	}

	if (scene.affiliate.url?.includes('/track')
		&& scene.affiliate.parameters.scene !== false
		&& (!scene.channel.isIndependent || scene.channel.id === scene.affiliate.entityId)) { // standard NATS redirect
		const { pathname, search } = new URL(watchUrl);

		return `${scene.affiliate.url}${pathname.replace(/^\/trial/, '')}${search}`; // replace needed for Jules Jordan, verify behavior on other sites
	}

	if (scene.affiliate.parameters.query) { // used by e.g. Bang
		const newParams = new URLSearchParams({
			...Object.fromEntries(new URL(watchUrl).searchParams),
			...Object.fromEntries(new URLSearchParams(scene.affiliate.parameters.query)),
		});

		return `${watchUrl}?${newParams.toString()}`;
	}

	return watchUrl;
}

export function getAffiliateEntityUrl(entity) {
	if (!entity.affiliate) {
		return entity.url;
	}

	if (entity.id === entity.affiliate.entityId) {
		return entity.affiliate.url;
	}

	if (entity.isIndependent) {
		return entity.url;
	}

	if (entity.affiliate.url?.includes('/track')
		&& entity.affiliate.parameters.channel !== false) {
		const { pathname, search } = new URL(entity.url);

		return `${entity.affiliate.url}${pathname.replace(/^\/trial/, '')}${search}`; // replace needed for Jules Jordan, verify behavior on other sites
	}

	if (entity.affiliate.parameters.query) { // used by e.g. Bang
		const newParams = new URLSearchParams({
			...Object.fromEntries(new URL(entity.url).searchParams),
			...Object.fromEntries(new URLSearchParams(entity.affiliate.parameters.query)),
		});

		return `${entity.url}?${newParams.toString()}`;
	}

	return entity.url;
}