<?php
/* Copyright (C) 2026  Eduard Wisch  <data@data-it-solution.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 */

/**
 * JavaScript for browser push notifications about incoming payments
 * Loaded on every Dolibarr page via module_parts['js']
 */

// Define MIME type
if (!defined('NOTOKENRENEWAL')) {
	define('NOTOKENRENEWAL', '1');
}
if (!defined('NOREQUIREMENU')) {
	define('NOREQUIREMENU', '1');
}
if (!defined('NOREQUIREHTML')) {
	define('NOREQUIREHTML', '1');
}
if (!defined('NOREQUIREAJAX')) {
	define('NOREQUIREAJAX', '1');
}

$res = 0;
if (!$res && !empty($_SERVER["CONTEXT_DOCUMENT_ROOT"])) {
	$res = @include $_SERVER["CONTEXT_DOCUMENT_ROOT"]."/main.inc.php";
}
$tmp = empty($_SERVER['SCRIPT_FILENAME']) ? '' : $_SERVER['SCRIPT_FILENAME'];
$tmp2 = realpath(__FILE__);
$i = strlen($tmp) - 1;
$j = strlen($tmp2) - 1;
while ($i > 0 && $j > 0 && isset($tmp[$i]) && isset($tmp2[$j]) && $tmp[$i] == $tmp2[$j]) {
	$i--;
	$j--;
}
if (!$res && $i > 0 && file_exists(substr($tmp, 0, ($i + 1))."/main.inc.php")) {
	$res = @include substr($tmp, 0, ($i + 1))."/main.inc.php";
}
if (!$res && $i > 0 && file_exists(dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php")) {
	$res = @include dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php";
}
if (!$res && file_exists("../../main.inc.php")) {
	$res = @include "../../main.inc.php";
}
if (!$res && file_exists("../../../main.inc.php")) {
	$res = @include "../../../main.inc.php";
}

header('Content-Type: application/javascript; charset=UTF-8');
header('Cache-Control: max-age=3600');

if (!isModEnabled('bankimport') || empty($user->id) || !$user->hasRight('bankimport', 'read')) {
	echo '/* bankimport: no access */';
	exit;
}

$checkUrl = dol_buildpath('/bankimport/ajax/checkpending.php', 1);
$confirmUrl = dol_buildpath('/bankimport/confirm.php', 1).'?mainmenu=bank&leftmenu=bankimport';
$checkInterval = 5 * 60 * 1000; // 5 Minuten
?>
(function() {
	'use strict';

	var STORAGE_KEY = 'bankimport_last_pending';
	var CHECK_URL = <?php echo json_encode($checkUrl); ?>;
	var CONFIRM_URL = <?php echo json_encode($confirmUrl); ?>;
	var CHECK_INTERVAL = <?php echo $checkInterval; ?>;

	// Erst nach Seitenload starten
	if (document.readyState === 'loading') {
		document.addEventListener('DOMContentLoaded', init);
	} else {
		init();
	}

	function init() {
		// Berechtigung anfragen beim ersten Mal
		if ('Notification' in window && Notification.permission === 'default') {
			// Dezent um Berechtigung bitten - nicht sofort, sondern nach 10 Sekunden
			setTimeout(function() {
				Notification.requestPermission();
			}, 10000);
		}

		// Sofort prüfen
		checkPending();

		// Regelmäßig prüfen
		setInterval(checkPending, CHECK_INTERVAL);
	}

	function checkPending() {
		var xhr = new XMLHttpRequest();
		xhr.open('GET', CHECK_URL, true);
		xhr.timeout = 15000;

		xhr.onload = function() {
			if (xhr.status !== 200) return;

			try {
				var data = JSON.parse(xhr.responseText);
			} catch(e) {
				return;
			}

			var lastKnown = parseInt(localStorage.getItem(STORAGE_KEY) || '0', 10);
			var currentPending = data.pending || 0;
			var incoming = data.incoming || 0;
			var incomingTotal = data.incoming_total || 0;

			// Neue Buchungen seit letztem Check?
			if (currentPending > lastKnown && currentPending > 0) {
				var newCount = currentPending - lastKnown;

				if (incoming > 0) {
					showNotification(
						'Zahlungseingang',
						incoming + ' Zahlungseingang' + (incoming > 1 ? 'e' : '') + ' (' + formatAmount(incomingTotal) + ' €)\nBestätigung erforderlich',
						'incoming'
					);
				} else {
					showNotification(
						'Bankimport',
						newCount + ' neue Buchung' + (newCount > 1 ? 'en' : '') + ' warten auf Zuordnung',
						'pending'
					);
				}
			}

			// Aktuellen Stand merken
			localStorage.setItem(STORAGE_KEY, currentPending.toString());
		};

		xhr.onerror = function() {};
		xhr.send();
	}

	function showNotification(title, body, type) {
		if (!('Notification' in window)) return;
		if (Notification.permission !== 'granted') return;

		var icon = type === 'incoming'
			? '/theme/common/mime/money.png'
			: '/theme/common/mime/doc.png';

		var notification = new Notification(title, {
			body: body,
			icon: icon,
			tag: 'bankimport-' + type,
			requireInteraction: true
		});

		notification.onclick = function() {
			window.focus();
			window.location.href = CONFIRM_URL;
			notification.close();
		};

		// Nach 30 Sekunden automatisch schließen
		setTimeout(function() {
			notification.close();
		}, 30000);
	}

	function formatAmount(amount) {
		return parseFloat(amount).toFixed(2).replace('.', ',').replace(/\B(?=(\d{3})+(?!\d))/g, '.');
	}

})();