<?php
/**
 * Plugin Name:     Wootrain
 * Plugin URI:      autonomic.zone
 * Description:     woocommerce -> wootrain link
 * Author:          trav n calix
 * Text Domain:     wootrain
 * Domain Path:     /languages
 * Version:         0.1.0
 * @package         Wootrain
 */

add_action( 'woocommerce_thankyou', 'my_api_call');
function my_api_call( $order_id ){

	// Order Setup Via WooCommerce
	$order = new WC_Order( $order_id );

	// if they want to receive the newsletter
	if (get_post_meta( $order->id, 'newsletter_', "No")== "Yes"){

		//get the email
		$email = $order->billing_email;

		// build API payload
        $url = '[your mailtrain URL here]/api/subscribe/[your mailtrain list ID here]?access_token=[your mailtrain API key here]';
		$body = array(
        	'EMAIL' => $email,
        	'FORCE_SUBSCRIBE' => "yes"
		);


		//Call the API
			$response = wp_remote_post( $url,
				array(
					'headers'   => array('Content-Type' => 'application/json; charset=utf-8'),
					'method'    => 'POST',
					'timeout' => 75,
					'body'	=> json_encode($body),
				)
			);

		//see if the response was good
		//$vars = json_decode($response['body'],true);
        }
    }