<?php
/*
Author: Overcode LTD
Copyright: © 2014-2025 Overcode LTD. All rights reserved.
License: GNU General Public License v3.0
License URI: http://www.gnu.org/licenses/gpl-3.0.html
*/

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

global $affiliatly_root;

$affiliatly_root = 'https://www.affiliatly.com/';

/*
* ouputs the visitors tracking code into the footer
* $id_affiliatly is taken from the plugin's settings page
*
* @version 3.2.0
* @since   3.2.0
* 
* @return type Bool.
*/
function affiliatly_start_tracking( $id_affiliatly )
{
	$script_arguments = array( 
		'strategy'=>'async', 
		'in_footer'=>true );

	wp_enqueue_script( 'affiliatly', 'https://static.affiliatly.com/v3/affiliatly.js?affiliatly_code='.esc_html( $id_affiliatly ), array(), '3.2.0', $script_arguments );

	return true;
}

/*
* sends the order info to the Affiliatly server when a purchase is completed
* $id_affiliatly and $security hash are taken from the plugin's settings page
*
* @version 3.2.0
* @since   3.2.0
*
* @return type Bool.
*/
function affiliatly_mark_purchase( $id_affiliatly, $order, $price, $security_hash, $coupon_code = '', $skus = array(), $client_email = '' )
{
	global $affiliatly_root;

	if( ( ! isset( $_COOKIE['affiliatly_v3'] ) || empty( $_COOKIE['affiliatly_v3'] ) ) && empty( $coupon_code ) && empty( $client_email ) )
	{
		return false;
	}

	$cookie_data = isset( $_COOKIE['affiliatly_v3'] ) ? sanitize_text_field( wp_unslash( $_COOKIE['affiliatly_v3'] ) ) : '';

	if( !empty($cookie_data) )
	{
		preg_match_all( '/&id_user=([0-9]+)/', $cookie_data, $result );
		$id_user = $result[1][0];
		
		preg_match_all( '/id_token=(.+)/', $cookie_data, $result );
		$id_hash = isset($result[1][0]) ? $result[1][0] : '';

		preg_match_all( '/&aff_uid=([0-9]+)/', $cookie_data, $result );
		$id_affiliate = $result[1][0];
	}
	else
	{
		$id_affiliate = $id_user = 0;
	}

	$id_order = $order;
	$price = $price;
	$coupon_code = $coupon_code;
	$skus = json_encode( $skus );

	// preapre the POST data that will be send
	$post = 'mode=mark_php&id_affiliatly='.$id_affiliatly.'&id_user='.$id_user.'&id_hash='.$id_hash.'&aff_uid='.$id_affiliate;
	$post .= '&order='.$order.'&price='.$price.'&from=php&hash='.$security_hash.'&coupon_code='.$coupon_code.'&skus='.$skus;
	$post .= '&client_email='.$client_email;

	$url_to_listener = $affiliatly_root.'api_request.php';
	$result = affiliatly_call( $url_to_listener, $post );

	return true;
}

/*
* sends order status updates to Affiliatly
*
* @version 3.2.0
* @since   3.2.0
*
* @return type Bool.
*/
function affiliatly_order_status( $id_affiliatly, $order, $status, $security_hash )
{
	global $affiliatly_root;

	if( empty($security_hash) )
	{
		return false;
	}

	$post = 'mode=order_status&id_affiliatly='.$id_affiliatly.'&order='.$order.'&status='.$status.'&from=php&hash='.$security_hash;
	$url_to_listener = $affiliatly_root.'api_request.php';
	return affiliatly_call( $url_to_listener, $post );
}

/*
* calls the app server to update the price of the order on partial refund status changes 
*
* @version 3.2.0
* @since   3.2.0
*
* @return type Bool.
*/
function affiliatly_price_update( $id_affiliatly, $order, $data, $security_hash )
{
	global $affiliatly_root;

	if( empty( $security_hash ) )
	{
		return false;
	}

	$post = 'mode=price_update&id_affiliatly='.$id_affiliatly.'&order='.$order.'&data='.json_encode($data).'&from=php&hash='.$security_hash;
	$url_to_listener = $affiliatly_root.'api_request.php';
	return affiliatly_call( $url_to_listener, $post );
}


/*
* connects to URL using cURL method
*
* @version 3.2.0
* @since   3.2.0
*
* @return type Object.
*/
function affiliatly_call( $url, $post)
{
	$parameters = array(
		'url'=>$url,
		'method'=>'POST',
		'headers'=>array('Content-Type' => 'application/x-www-form-urlencoded'),
		'body'=>$post
	);

	$ch = wp_remote_post( $url, $parameters );

	return $ch;
}


?>