<?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.
 */

/**
 * \file    mahnung/admin/tracking_patterns.php
 * \ingroup mahnung
 * \brief   Konfigurations-Seite für Tracking-Pattern (Regex + URL-Template).
 *          Live-Vorschau via /custom/mahnung/ajax/regex_preview.php.
 */

$res = 0;
if (!$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 && file_exists("../../main.inc.php")) {
	$res = @include "../../main.inc.php";
}
if (!$res && file_exists("../../../main.inc.php")) {
	$res = @include "../../../main.inc.php";
}
if (!$res) {
	die("Include of main fails");
}

require_once DOL_DOCUMENT_ROOT.'/custom/mahnung/class/mahnungtrackingpattern.class.php';

global $langs, $user, $db;
$langs->loadLangs(array('admin', 'mahnung@mahnung'));

if (!$user->admin && !$user->hasRight('mahnung', 'setup')) {
	accessforbidden();
}

$action = GETPOST('action', 'aZ09');
$rowid = GETPOSTINT('rowid');

// POST: Speichern (Neu oder Update)
if (($action === 'save_new' || $action === 'save_edit') && $user->hasRight('mahnung', 'setup')) {
	$p = new MahnungTrackingPattern($db);
	if ($action === 'save_edit' && $rowid > 0) {
		if ($p->fetch($rowid) <= 0) {
			setEventMessages($langs->trans('MahnungPatternNichtGefunden'), null, 'errors');
			header('Location: '.$_SERVER['PHP_SELF']);
			exit;
		}
	}
	$p->provider = trim(GETPOST('provider', 'aZ09'));
	$p->label = trim(GETPOST('label', 'alphanohtml'));
	$p->regex = (string) GETPOST('regex', 'nohtml'); // Regex kann Sonderzeichen enthalten
	$p->url_template = trim(GETPOST('url_template', 'alphanohtml'));
	$p->priority = GETPOSTINT('priority');
	if ($p->priority <= 0) {
		$p->priority = 100;
	}
	$p->active = GETPOST('active', 'int') ? 1 : 0;

	// Basis-Validierung
	$errors = array();
	if ($p->provider === '') {
		$errors[] = $langs->trans('MahnungTrackingPatternProviderRequired');
	}
	if ($p->label === '') {
		$errors[] = $langs->trans('MahnungTrackingPatternLabelRequired');
	}
	if (!MahnungTrackingPattern::isValidRegex($p->regex)) {
		$errors[] = $langs->trans('MahnungTrackingPatternRegexInvalid');
	}
	if (strpos($p->url_template, 'https://') !== 0) {
		$errors[] = $langs->trans('MahnungTrackingPatternUrlMustHttps');
	}
	if (strpos($p->url_template, '{nr}') === false) {
		$errors[] = $langs->trans('MahnungTrackingPatternUrlMissingPlaceholder');
	}
	if (!empty($errors)) {
		setEventMessages('', $errors, 'errors');
	} else {
		$ret = ($action === 'save_new') ? $p->create() : $p->update();
		if ($ret > 0) {
			setEventMessages($langs->trans('MahnungTrackingPatternSaved'), null, 'mesgs');
			header('Location: '.$_SERVER['PHP_SELF']);
			exit;
		} else {
			setEventMessages($p->error ?: $langs->trans('MahnungSpeichernFehlgeschlagen'), null, 'errors');
		}
	}
}

// POST/GET: Löschen
if ($action === 'delete' && $rowid > 0 && $user->hasRight('mahnung', 'setup')) {
	$p = new MahnungTrackingPattern($db);
	if ($p->fetch($rowid) > 0 && $p->delete() > 0) {
		setEventMessages($langs->trans('MahnungTrackingPatternDeleted'), null, 'mesgs');
	}
	header('Location: '.$_SERVER['PHP_SELF']);
	exit;
}

// Toggle active
if ($action === 'toggle_active' && $rowid > 0 && $user->hasRight('mahnung', 'setup')) {
	$p = new MahnungTrackingPattern($db);
	if ($p->fetch($rowid) > 0) {
		$p->active = $p->active ? 0 : 1;
		$p->update();
	}
	header('Location: '.$_SERVER['PHP_SELF']);
	exit;
}

llxHeader('', $langs->trans('MahnungTrackingPatternsSetup'));

print load_fiche_titre($langs->trans('MahnungTrackingPatternsSetup'), '<a class="butAction" href="'.DOL_URL_ROOT.'/custom/mahnung/admin/setup.php">'.dol_escape_htmltag($langs->trans('Back')).'</a>', 'fa-route');

print '<div class="opacitymedium" style="margin-bottom:12px;">'.$langs->trans('MahnungTrackingPatternsIntro').'</div>';

$service = new MahnungTrackingPattern($db);
$all = $service->fetchAll(false);

// Edit-Modus laden
$editP = null;
if ($action === 'edit' && $rowid > 0) {
	$tmp = new MahnungTrackingPattern($db);
	if ($tmp->fetch($rowid) > 0) {
		$editP = $tmp;
	}
}

// Liste der bestehenden Patterns
print '<table class="noborder centpercent">';
print '<tr class="liste_titre">';
print '<th>'.$langs->trans('MahnungTrackingPatternLabel').'</th>';
print '<th>'.$langs->trans('MahnungTrackingPatternProvider').'</th>';
print '<th>'.$langs->trans('MahnungTrackingPatternRegex').'</th>';
print '<th>'.$langs->trans('MahnungTrackingPatternUrlTemplate').'</th>';
print '<th class="center">'.$langs->trans('MahnungTrackingPatternPriority').'</th>';
print '<th class="center">'.$langs->trans('Status').'</th>';
print '<th></th>';
print '</tr>';
if (empty($all)) {
	print '<tr><td colspan="7" class="opacitymedium center">'.$langs->trans('MahnungTrackingPatternsEmpty').'</td></tr>';
}
foreach ($all as $p) {
	print '<tr class="oddeven">';
	print '<td>'.dol_escape_htmltag($p['label']).'</td>';
	print '<td>'.dol_escape_htmltag($p['provider']).'</td>';
	print '<td><code>'.dol_escape_htmltag($p['regex']).'</code></td>';
	print '<td><span class="opacitymedium small">'.dol_escape_htmltag($p['url_template']).'</span></td>';
	print '<td class="center">'.((int) $p['priority']).'</td>';
	print '<td class="center">';
	$toggleLabel = $p['active'] ? $langs->trans('Active') : $langs->trans('Disabled');
	$toggleColor = $p['active'] ? 'badge-status4' : 'badge-status8';
	print '<a class="badge '.$toggleColor.'" href="'.$_SERVER['PHP_SELF'].'?action=toggle_active&rowid='.((int) $p['rowid']).'&token='.newToken().'">'.dol_escape_htmltag($toggleLabel).'</a>';
	print '</td>';
	print '<td class="right nowrap">';
	print '<a href="'.$_SERVER['PHP_SELF'].'?action=edit&rowid='.((int) $p['rowid']).'#editform">'.img_picto($langs->trans('Edit'), 'edit').'</a> ';
	print '<a href="'.$_SERVER['PHP_SELF'].'?action=delete&rowid='.((int) $p['rowid']).'&token='.newToken().'" onclick="return confirm(\''.dol_escape_js($langs->trans('ConfirmDelete')).'\');">'.img_picto($langs->trans('Delete'), 'delete').'</a>';
	print '</td>';
	print '</tr>';
}
print '</table>';

// Formular: Neu / Edit
$isEdit = ($editP !== null);
$formAction = $isEdit ? 'save_edit' : 'save_new';
$valProv  = $editP ? $editP->provider : '';
$valLabel = $editP ? $editP->label : '';
$valRegex = $editP ? $editP->regex : '/\\b(\\d{14})\\b/';
$valUrl   = $editP ? $editP->url_template : 'https://example.com/track?nr={nr}';
$valPrio  = $editP ? (int) $editP->priority : 100;
$valActive = $editP ? (int) $editP->active : 1;

print '<br><h3 id="editform">'.dol_escape_htmltag($isEdit ? $langs->trans('MahnungTrackingPatternEditTitle') : $langs->trans('MahnungTrackingPatternNewTitle')).'</h3>';
print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'" id="patternForm">';
print '<input type="hidden" name="token" value="'.newToken().'">';
print '<input type="hidden" name="action" value="'.dol_escape_htmltag($formAction).'">';
if ($isEdit) {
	print '<input type="hidden" name="rowid" value="'.((int) $editP->id).'">';
}

print '<table class="border centpercent">';
print '<tr><td class="titlefield">'.$langs->trans('MahnungTrackingPatternLabel').'</td><td>';
print '<input type="text" name="label" id="pat_label" value="'.dol_escape_htmltag($valLabel).'" size="50" required>';
print '</td></tr>';

print '<tr><td>'.$langs->trans('MahnungTrackingPatternProvider').'</td><td>';
print '<input type="text" name="provider" id="pat_provider" value="'.dol_escape_htmltag($valProv).'" size="20" required ';
print 'placeholder="dhl|dpag|dpd|hermes|ups|custom">';
print '</td></tr>';

print '<tr><td>'.$langs->trans('MahnungTrackingPatternRegex').'</td><td>';
print '<input type="text" name="regex" id="pat_regex" value="'.dol_escape_htmltag($valRegex).'" size="60" required ';
print 'style="font-family:monospace;">';
print '<div id="regex_status" class="opacitymedium small" style="margin-top:4px;">&nbsp;</div>';
print '</td></tr>';

print '<tr><td>'.$langs->trans('MahnungTrackingPatternUrlTemplate').'</td><td>';
print '<input type="text" name="url_template" id="pat_url" value="'.dol_escape_htmltag($valUrl).'" size="60" required ';
print 'placeholder="https://...?nr={nr}">';
print '<div class="opacitymedium small">'.$langs->trans('MahnungTrackingPatternUrlHint').'</div>';
print '</td></tr>';

print '<tr><td>'.$langs->trans('MahnungTrackingPatternPriority').'</td><td>';
print '<input type="number" name="priority" value="'.((int) $valPrio).'" size="4"> ';
print '<span class="opacitymedium small">'.$langs->trans('MahnungTrackingPatternPriorityHint').'</span>';
print '</td></tr>';

print '<tr><td>'.$langs->trans('Status').'</td><td>';
print '<input type="checkbox" name="active" value="1"'.($valActive ? ' checked' : '').'> '.$langs->trans('Active');
print '</td></tr>';

print '<tr><td>'.$langs->trans('MahnungTrackingPatternSample').'</td><td>';
print '<textarea id="pat_sample" rows="3" style="width:100%; font-family:monospace;" placeholder="'.dol_escape_htmltag($langs->trans('MahnungTrackingPatternSamplePlaceholder')).'"></textarea>';
print '<div id="pat_preview" class="info" style="margin-top:6px; padding:6px; min-height:20px;">&nbsp;</div>';
print '</td></tr>';
print '</table>';

print '<div style="margin-top:8px;">';
print '<button type="submit" class="button">'.dol_escape_htmltag($langs->trans('Save')).'</button> ';
if ($isEdit) {
	print '<a class="butActionRefused" href="'.$_SERVER['PHP_SELF'].'">'.dol_escape_htmltag($langs->trans('Cancel')).'</a>';
}
print '</div>';
print '</form>';

// Live-Vorschau-JS
$ajaxUrl = DOL_URL_ROOT.'/custom/mahnung/ajax/regex_preview.php';
$labelInvalid = dol_escape_js($langs->trans('MahnungTrackingPatternRegexInvalid'));
$labelValid = dol_escape_js($langs->trans('MahnungTrackingPatternRegexValid'));
$labelMatch = dol_escape_js($langs->trans('MahnungTrackingPatternMatch'));
$labelNoMatch = dol_escape_js($langs->trans('MahnungTrackingPatternNoMatch'));

print <<<EOT
<script>
(function() {
	var regexEl = document.getElementById('pat_regex');
	var urlEl = document.getElementById('pat_url');
	var sampleEl = document.getElementById('pat_sample');
	var statusEl = document.getElementById('regex_status');
	var previewEl = document.getElementById('pat_preview');
	var debounceTimer = null;

	function update() {
		clearTimeout(debounceTimer);
		debounceTimer = setTimeout(function() {
			var regex = regexEl.value;
			var sample = sampleEl.value;
			var url = urlEl.value;
			if (!regex) {
				statusEl.textContent = '';
				previewEl.innerHTML = '&nbsp;';
				return;
			}
			var fd = new FormData();
			fd.append('regex', regex);
			fd.append('sample', sample);
			fd.append('url_template', url);
			fetch('$ajaxUrl', { method: 'POST', body: fd, credentials: 'same-origin' })
				.then(function(r) { return r.json(); })
				.then(function(data) {
					if (!data.valid) {
						statusEl.textContent = '✗ ' + '$labelInvalid' + (data.error ? ' — ' + data.error : '');
						statusEl.style.color = '#c33';
						previewEl.innerHTML = '&nbsp;';
						return;
					}
					statusEl.textContent = '✓ ' + '$labelValid';
					statusEl.style.color = '#2a8';
					if (data.match) {
						var html = '$labelMatch' + ': <code><strong>' + escapeHtml(data.match) + '</strong></code>';
						if (data.preview_url) {
							html += ' → <a href="' + escapeAttr(data.preview_url) + '" target="_blank" rel="noopener">' + escapeHtml(data.preview_url) + '</a>';
						}
						previewEl.innerHTML = html;
					} else if (sample.trim() !== '') {
						previewEl.innerHTML = '<span class="opacitymedium">$labelNoMatch</span>';
					} else {
						previewEl.innerHTML = '&nbsp;';
					}
				})
				.catch(function() { statusEl.textContent = '(Preview-Fehler)'; });
		}, 300);
	}

	function escapeHtml(s) {
		return String(s).replace(/[&<>"']/g, function(c) {
			return { '&':'&amp;', '<':'&lt;', '>':'&gt;', '"':'&quot;', "'":'&#39;' }[c];
		});
	}
	function escapeAttr(s) { return escapeHtml(s); }

	if (regexEl && urlEl && sampleEl) {
		[regexEl, urlEl, sampleEl].forEach(function(el) {
			el.addEventListener('input', update);
			el.addEventListener('change', update);
		});
		// Initial-Preview falls Sample schon befüllt
		update();
	}
})();
</script>
EOT;

llxFooter();
$db->close();