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<?php
/**
 * Rule processor for sending before a specified date/time.
 */

namespace Automattic\WooCommerce\Admin\RemoteInboxNotifications;

defined( 'ABSPATH' ) || exit;

use Automattic\WooCommerce\Admin\DateTimeProvider\CurrentDateTimeProvider;

/**
 * Rule processor for sending before a specified date/time.
 */
class PublishBeforeTimeRuleProcessor implements RuleProcessorInterface {

/**
	 * The DateTime provider.
	 *
	 * @var DateTimeProviderInterface
	 */
	protected $date_time_provider;

/**
	 * Constructor.
	 *
	 * @param DateTimeProviderInterface $date_time_provider The DateTime provider.
	 */
	public function __construct( $date_time_provider = null ) {
		$this->date_time_provider = null === $date_time_provider
			? new CurrentDateTimeProvider()
			: $date_time_provider;
	}

/**
	 * Process the rule.
	 *
	 * @param object $rule         The specific rule being processed by this rule processor.
	 * @param object $stored_state Stored state.
	 *
	 * @return bool Whether the rule passes or not.
	 */
	public function process( $rule, $stored_state ) {
		return $this->date_time_provider->get_now() <= new \DateTime( $rule->publish_before );
	}

/**
	 * Validates the rule.
	 *
	 * @param object $rule The rule to validate.
	 *
	 * @return bool Pass/fail.
	 */
	public function validate( $rule ) {
		if ( ! isset( $rule->publish_before ) ) {
			return false;
		}

try {
			new \DateTime( $rule->publish_before );
		} catch ( \Throwable $e ) {
			return false;
		}

return true;
	}
}