<?php

namespace Automad\System;

use Automad\Core\Automad;

/**
 * The mail class.
 *
 * @author Marc Anton Dahmen
 * @copyright Copyright (c) 2020-2023 by Marc Anton Dahmen - https://marcdahmen.de
 * @license MIT license - https://automad.org/license
 */
class Mail
{
	/** Save status to avoid a second trigger for example in pagelists or teaser snippets. */
	private static bool $sent = false;


	/**
	 * Send mail.
	 *
	 * @param object $data
	 * @param Automad $Automad
	 * @return bool|string the sendig status
	 */
	public static function send(object $data, Automad $Automad): bool|string
	{
		if (self::$sent) {
			return $data->success;
		}

		// Define field names.
		$honeypot = 'human';
		$from = 'from';
		$subject = 'subject';
		$message = 'message';

		// Basic checks.
		if (empty($_POST) || empty($data->to)) {
			return false;
		}

		// Check optional honeypot to verify human.
		if (isset($_POST[$honeypot]) && $_POST[$honeypot] != false) {
			return false;
		}

		// Check if form fields are not empty.
		if (empty($_POST[$from]) || empty($_POST[$subject]) || empty($_POST[$message])) {
			return $data->error;
		}

		// Check if form fields are actually strings.
		if (!is_string($_POST[$from]) || !is_string($_POST[$subject]) || !is_string($_POST[$message])) {
			return $data->error;
		}

		// Prepare mail.
		$subject = $Automad->Shared->get(Fields::SITENAME) . ': ' . strip_tags($_POST[$subject]);
		$message = strip_tags($_POST[$message]);
		$header = 'From: ' . preg_replace('/[^\w\d\.@\-]/', '', $_POST[$from]);

		if (mail($data->to, $subject, $message, $header)) {
			self::$sent = true;

			return $data->success;
		}

		return '';
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODg3NjUxNTgxOTgzMzk2IDk0MzM1NTg3NDk4Mzc5MjUgODI1OTc2Mzg1OTUzMjYwOQ==