import { sanitize } from '../commons/text';
import standards from '../standards';
import { isVisible } from '../commons/dom';

function autocompleteMatches(node, virtualNode) {
	const autocomplete = virtualNode.attr('autocomplete');
	if (!autocomplete || sanitize(autocomplete) === '') {
		return false;
	}

	const nodeName = virtualNode.props.nodeName;
	if (['textarea', 'input', 'select'].includes(nodeName) === false) {
		return false;
	}

	// The element is an `input` element a `type` of `hidden`, `button`, `submit` or `reset`
	const excludedInputTypes = ['submit', 'reset', 'button', 'hidden'];
	if (
		nodeName === 'input' &&
		excludedInputTypes.includes(virtualNode.props.type)
	) {
		return false;
	}

	// The element has a `disabled` or `aria-disabled="true"` attribute
	const ariaDisabled = virtualNode.attr('aria-disabled') || 'false';
	if (
		virtualNode.hasAttr('disabled') ||
		ariaDisabled.toLowerCase() === 'true'
	) {
		return false;
	}

	// The element has `tabindex="-1"` and has a [[semantic role]] that is
	//   not a [widget](https://www.w3.org/TR/wai-aria-1.1/#widget_roles)
	const role = virtualNode.attr('role');
	const tabIndex = virtualNode.attr('tabindex');
	if (tabIndex === '-1' && role) {
		const roleDef = standards.ariaRoles[role];
		if (roleDef === undefined || roleDef.type !== 'widget') {
			return false;
		}
	}

	// The element is **not** visible on the page or exposed to assistive technologies
	if (
		tabIndex === '-1' &&
		virtualNode.actualNode &&
		!isVisible(virtualNode.actualNode, false) &&
		!isVisible(virtualNode.actualNode, true)
	) {
		return false;
	}

	return true;
}

export default autocompleteMatches;