<?php
/**
 * Mail class.
 */

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

if ( ! class_exists( 'Strong_Mail' ) ) :

	class Strong_Mail {

		public function __construct() {
			add_action( 'wp_loaded', array( $this, 'process_mail_queue' ), 20 );
		}

		/**
		 * Process mail queue
		 *
		 * @since 2.8.0
		 */
		public function process_mail_queue() {
			$current_queue = get_transient( 'wpmtst_mail_queue' );
			if ( ! $current_queue ) {
				return;
			}

			foreach ( $current_queue as $email ) {
				$this->send_mail( $email );
			}

			delete_transient( 'wpmtst_mail_queue' );
		}

		public function send_mail( $email ) {
			if ( defined( 'IS_LOCALHOST' ) && IS_LOCALHOST ) {
				error_log( print_r( $email, true ) );
			} else {
				wp_mail( $email['to'], $email['subject'], $email['message'], $email['headers'] );
			}
		}

		/**
		 * Enqueue mail.
		 *
		 * @since 2.8.0
		 * @param $email
		 */
		public function enqueue_mail( $email ) {
			$current_queue = get_transient( 'wpmtst_mail_queue' );
			if ( $current_queue ) {
				delete_transient( 'wpmtst_mail_queue' );
			} else {
				$current_queue = array();
			}

			$current_queue[] = $email;
			set_transient( 'wpmtst_mail_queue', $current_queue, DAY_IN_SECONDS );
		}
	}

endif;