<?php
/**
 * Context factory.
 *
 * @package Extrova
 */

declare( strict_types=1 );

namespace Extrova\Core;

defined( 'ABSPATH' ) || exit;

/**
 * Builds Context objects from the WooCommerce cart and session.
 *
 * @since 1.0.0
 */
final class ContextFactory {

	/**
	 * Builds a context for a cart.
	 *
	 * @param \WC_Cart|null $cart     Cart.
	 * @param string        $location Location.
	 */
	public function from_cart( ?\WC_Cart $cart, string $location ): Context {
		$wc       = function_exists( 'WC' ) ? WC() : null;
		$session  = $wc && $wc->session instanceof \WC_Session ? $wc->session : null;
		$customer = $wc && $wc->customer instanceof \WC_Customer ? $wc->customer : null;

		$shipping = $session ? $session->get( 'chosen_shipping_methods', array() ) : array();
		$shipping = is_array( $shipping ) ? array_values( array_filter( array_map( 'strval', $shipping ) ) ) : array();
		$payment  = $session ? $session->get( 'chosen_payment_method', '' ) : '';

		return new Context(
			$cart,
			$customer,
			$location,
			$shipping,
			is_string( $payment ) ? $payment : '',
			function_exists( 'get_woocommerce_currency' ) ? (string) get_woocommerce_currency() : '',
			null !== $cart && isset( $cart->recurring_cart_key )
		);
	}

	/**
	 * Context for the current cart.
	 *
	 * @param string $location Location.
	 */
	public function current( string $location ): Context {
		$cart = function_exists( 'WC' ) && WC()->cart instanceof \WC_Cart ? WC()->cart : null;
		return $this->from_cart( $cart, $location );
	}
}