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<?php
/**
 * Class that formats metchant URLs for Klarnas API.
 *
 * @package Klarna_Checkout/Classes
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * KCO_Merchant_URLs class.
 *
 * Class that formats gets merchant URLs Klarna API.
 */
class KCO_Merchant_URLs {

/**
	 * Gets formatted merchant URLs array.
	 *
	 * @param string $order_id The WooCommerce order id.
	 * @return array
	 */
	public function get_urls( $order_id = null ) {
		$merchant_urls = array(
			'terms'        => $this->get_terms_url(),                   // Required.
			'checkout'     => $this->get_checkout_url(),                // Required.
			'confirmation' => $this->get_confirmation_url( $order_id ), // Required.
			'push'         => $this->get_push_url(),                    // Required.
			'notification' => $this->get_notification_url(),
		);

return apply_filters( 'kco_wc_merchant_urls', $merchant_urls );
	}

/**
	 * Terms URL.
	 *
	 * Required. URL of merchant terms and conditions. Should be different than checkout, confirmation and push URLs.
	 *
	 * @return string
	 */
	private function get_terms_url() {
		$terms_url = get_permalink( wc_get_page_id( 'terms' ) );

return apply_filters( 'kco_wc_terms_url', $terms_url );
	}

/**
	 * Checkout URL.
	 *
	 * Required. URL of merchant checkout page. Should be different than terms, confirmation and push URLs.
	 *
	 * @return string
	 */
	private function get_checkout_url() {
		$checkout_url = wc_get_checkout_url();
		return apply_filters( 'kco_wc_checkout_url', $checkout_url );
	}

/**
	 * Confirmation URL.
	 *
	 * Required. URL of merchant confirmation page. Should be different than checkout and confirmation URLs.
	 *
	 * @param string $order_id The WooCommerce order id.
	 * @return string
	 */
	private function get_confirmation_url( $order_id ) {
		if ( empty( $order_id ) ) {
			$confirmation_url = add_query_arg(
				array(
					'kco_confirm'  => 'yes',
					'kco_order_id' => '{checkout.order.id}',
				),
				wc_get_checkout_url()
			);
		} else {
			$order            = wc_get_order( $order_id );
			$confirmation_url = add_query_arg(
				array(
					'kco_confirm'  => 'yes',
					'kco_order_id' => '{checkout.order.id}',
					'order_id'     => $order_id,
				),
				$order->get_checkout_order_received_url()
			);
		}

return apply_filters( 'kco_wc_confirmation_url', $confirmation_url );
	}

/**
	 * Push URL.
	 *
	 * Required. URL of merchant confirmation page. Should be different than checkout and confirmation URLs.
	 *
	 * @return string
	 */
	private function get_push_url() {
		$session_id = $this->get_session_id();

$push_url = home_url(
			sprintf(
				'/wc-api/KCO_WC_Push/?kco-action=push&kco_wc_order_id={checkout.order.id}&kco_session_id=%s',
				$session_id
			)
		);

return apply_filters( 'kco_wc_push_url', $push_url );
	}

/**
	 * Shipping option update URL.
	 *
	 * URL for shipping option update, must be https.
	 *
	 * @return string
	 */
	private function get_shipping_option_update_url() {

$shipping_option_update_url = home_url( '/wc-api/KCO_WC_Shipping_Option_Update/' );
		$shipping_option_update_url = str_replace( 'http:', 'https:', $shipping_option_update_url );

return apply_filters( 'kco_wc_shipping_option_update_url', $shipping_option_update_url );
	}

/**
	 * Address update URL.
	 *
	 * URL for shipping, tax and purchase currency updates. Will be called on address changes, must be https.
	 *
	 * @return string
	 */
	private function get_address_update_url() {

$address_update_url = home_url( '/wc-api/KCO_WC_Address_Update/?kco_wc_order_id={checkout.order.id}' );

$address_update_url = str_replace( 'http:', 'https:', $address_update_url );

return apply_filters( 'kco_wc_address_update_url', $address_update_url );
	}

/**
	 * Notification URL.
	 *
	 * URL for notifications on pending orders.
	 *
	 * @return string
	 */
	private function get_notification_url() {
		$notification_url = home_url( '/wc-api/KCO_WC_Notification/?kco_wc_order_id={checkout.order.id}' );
		return apply_filters( 'kco_wc_notification_url', $notification_url );
	}

/**
	 * Country change URL.
	 *
	 * URL for shipping, tax and purchase currency updates. Will be called on purchase country changes, must be https.
	 *
	 * @return string
	 */
	private function get_country_change_url() {

$country_change_url = home_url( '/wp-json/kcowc/v1/address/{checkout.order.id}' );
		$country_change_url = str_replace( 'http:', 'https:', $country_change_url );

return apply_filters( 'kco_wc_country_change_url', $country_change_url );
	}

/**
	 * Get session ID.
	 *
	 * Gets WooCommerce session ID. Used to send in merchant url's to Klarn.
	 * So we can retrieve the cart object in server to server calls from Klarna.
	 *
	 * @return string
	 */
	private function get_session_id() {
		foreach ( $_COOKIE as $key => $value ) {
			if ( strpos( $key, 'wp_woocommerce_session_' ) !== false ) {
				$session_id = explode( '||', $value );
				return $session_id[0];
			}
		}
	}
}