<?php

defined( 'ABSPATH' ) or exit;

/**
 * Class MC4WP_Registration_Form_Integration
 *
 * @ignore
 */
class MC4WP_Registration_Form_Integration extends MC4WP_User_Integration {

	/**
	 * @var string
	 */
	public $name = "Registration Form";

	/**
	 * @var string
	 */
	public $description = "Subscribes people from your WordPress registration form.";

	/**
	 * @var bool
	 */ 
	public $shown = false;

	/**
	 * Add hooks
	 */
	public function add_hooks() {
		if( ! $this->options['implicit'] ) {
			add_action( 'login_head', array( $this, 'print_css_reset' ) );
			add_action( 'register_form', array( $this, 'maybe_output_checkbox' ), 20 );
			add_action( 'woocommerce_register_form', array( $this, 'maybe_output_checkbox' ), 20 );
		}

		add_action( 'user_register', array( $this, 'subscribe_from_registration' ), 90, 1 );
	}

	/**
	 * Output checkbox, once.
	 */ 
	public function maybe_output_checkbox() {
		if( ! $this->shown ) {
			$this->output_checkbox();
			$this->shown = true;
		}
	}

	/**
	 * Subscribes from WP Registration Form
	 *
	 * @param int $user_id
	 *
	 * @return bool|string
	 */
	public function subscribe_from_registration( $user_id ) {

		// was sign-up checkbox checked?
		if ( ! $this->triggered() ) {
			return false;
		}

		// gather emailadress from user who WordPress registered
		$user = get_userdata( $user_id );

		// was a user found with the given ID?
		if ( ! $user instanceof WP_User ) {
			return false;
		}

		$data = $this->user_merge_vars( $user );

		return $this->subscribe( $data, $user_id );
	}
	/* End registration form functions */


	/**
	 * @return bool
	 */
	public function is_installed() {
		return true;
	}
}