<?php
/**
 * Rule processor for publishing based on the number of orders.
 */

namespace Automattic\WooCommerce\Admin\RemoteSpecs\RuleProcessors;

defined( 'ABSPATH' ) || exit;

/**
 * Rule processor for publishing based on the number of orders.
 */
class OrderCountRuleProcessor implements RuleProcessorInterface {

	/**
	 * The orders provider.
	 *
	 * @var OrdersProvider
	 */
	protected $orders_provider;

	/**
	 * Constructor.
	 *
	 * @param object $orders_provider The orders provider.
	 */
	public function __construct( $orders_provider = null ) {
		$this->orders_provider = null === $orders_provider
			? new OrdersProvider()
			: $orders_provider;
	}

	/**
	 * Process the rule.
	 *
	 * @param object $rule         The rule to process.
	 * @param object $stored_state Stored state.
	 *
	 * @return bool Whether the rule passes or not.
	 */
	public function process( $rule, $stored_state ) {
		$count = $this->orders_provider->get_order_count();

		return ComparisonOperation::compare(
			$count,
			$rule->value,
			$rule->operation
		);
	}

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

		if ( ! isset( $rule->operation ) ) {
			return false;
		}

		return true;
	}
}