<?php 

/*
*	Main class file for the integration with core WooCommerce
* 	Takes care of the opt-in checkbox to integrate with WooCommerce on the checkout page
*	
*	since @6.0.0
*/

// Prevent direct access to the file
defined('ABSPATH') or die( __( "Whoops, you shouldn't be accessing this file directly. Abort!" , 'yikes-inc-easy-mailchimp-extender' ) );

class Yikes_Easy_MC_WooCommerce_Checkbox_Class extends Yikes_Easy_MC_Checkbox_Integration_Class {

	/**
	 * @var string
	 */
	protected $type = 'woocommerce_checkout_form';
	
	/**
	 * Constructor
	 */
	public function __construct() {
		
		add_filter( 'woocommerce_checkout_fields', array( $this, 'add_checkout_field' ), 20 );
		add_action( 'woocommerce_checkout_update_order_meta', array( $this, 'save_woocommerce_checkout_checkbox_value' ) );
		add_action( 'woocommerce_checkout_order_processed', array( $this, 'subscribe_from_woocommerce_checkout' ) );
	}
	
	/**
	 * @return string
	 */
	public function get_position() {
		$opts = $this->get_options();
		return $opts['woocommerce_position'];
	}
	
	/**
	 * @param $fields
	 *
	 * @return mixed
	 */
	public function add_checkout_field( $fields ) {
		// get checkbox data
		$checkbox_options = get_option( 'optin-checkbox-init' , '' );
		// only display the field if a list is set
		if( isset( $checkbox_options ) && $checkbox_options[$this->type]['associated-list'] != '-' ) {
			if( $this->is_user_already_subscribed( $this->type ) ) {
				return $fields;
			}
			if( isset( $checkbox_options[$this->type]['precheck'] ) && $checkbox_options[$this->type]['precheck'] == 'true' ) {
				$precheck = '1';
			} else {
				$precheck = '0';
			}
			$fields[ 'billing' ]['yikes_mailchimp_checkbox_'.$this->type] = array(
				'id' => 'yikes_mailchimp_checkbox_'.$this->type,
				'type'    => 'checkbox',
				'class' => array(),
				'label'   => $checkbox_options[$this->type]['label'],
				'default' => $precheck,
			);
		}
		return $fields;
	}
	
	/**
	* @param int $order_id
	*/
	public function save_woocommerce_checkout_checkbox_value( $order_id ) {
		// update the order post meta
		update_post_meta( $order_id, 'yikes_easy_mailchimp_optin', $this->was_checkbox_checked( $this->type ) );
	}
	
	/**
	* @param int $order_id
	* @return boolean
	*/
	public function subscribe_from_woocommerce_checkout( $order_id ) {
		$do_optin = get_post_meta( $order_id, 'yikes_easy_mailchimp_optin', true );
		if( $do_optin == '1' ) {
			$order = new WC_Order( $order_id );
			$email = $order->billing_email;
			$merge_vars = array(
				'NAME' => "{$order->billing_first_name} {$order->billing_last_name}",
				'FNAME' => $order->billing_first_name,
				'LNAME' => $order->billing_last_name,
			);
			// subscribe the user
			$this->subscribe_user_integration( sanitize_email( $email ) , $this->type , $merge_vars );
		}
		return false;
	}
	
}
new Yikes_Easy_MC_WooCommerce_Checkbox_Class;
