<?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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

/**
 *  \file       netdiag/api/applog.php
 *  \ingroup    netdiag
 *  \brief      API-Endpunkt: Debug-Log der mobilen App entgegennehmen.
 *
 *  Die App schickt erfasste Fehler/Meldungen per POST hierher; sie landen
 *  in llx_netdiag_applog und sind so serverseitig auswertbar — ohne Kabel
 *  und ohne Logcat. Authentifizierung über das normale App-JWT.
 */

require_once __DIR__.'/netdiag_api.lib.php';

netdiag_api_bootstrap();

/**
 * @var Conf   $conf
 * @var DoliDB $db
 */

$user = netdiag_api_authenticate($db);

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
	netdiag_api_error('Nur POST erlaubt', 405);
}

$body = netdiag_api_read_body();
$entries = (isset($body['entries']) && is_array($body['entries'])) ? $body['entries'] : array();
if (empty($entries)) {
	netdiag_api_respond(array('ok' => true, 'stored' => 0));
}

$appVersion = isset($body['appVersion']) ? mb_substr((string) $body['appVersion'], 0, 32) : '';
$device     = isset($body['device']) ? mb_substr((string) $body['device'], 0, 128) : '';

$prefix = $db->prefix();

// Tabelle bei Bedarf anlegen — das Modul kann in Prod schon vor diesem
// Feature installiert worden sein, dann lief die sql/-Datei nie.
$db->query(
	"CREATE TABLE IF NOT EXISTS ".$prefix."netdiag_applog("
	." rowid integer AUTO_INCREMENT PRIMARY KEY NOT NULL,"
	." entity integer DEFAULT 1 NOT NULL,"
	." fk_user integer,"
	." app_version varchar(32),"
	." device varchar(128),"
	." level varchar(8),"
	." message text,"
	." date_log datetime,"
	." date_creation datetime NOT NULL,"
	." INDEX idx_netdiag_applog_creation(date_creation)"
	.") ENGINE=innodb"
);

// Schutz gegen überlange Requests
$entries = array_slice($entries, 0, 500);

$now = $db->idate(dol_now());
$stored = 0;
$db->begin();
foreach ($entries as $e) {
	if (!is_array($e)) {
		continue;
	}
	$level = isset($e['level']) ? mb_substr((string) $e['level'], 0, 8) : 'info';
	$msg   = isset($e['msg']) ? mb_substr((string) $e['msg'], 0, 2000) : '';
	// Client-Zeitstempel in ms -> Sekunden -> DB-Datetime
	$ts = isset($e['ts']) ? (int) $e['ts'] : 0;
	$dateLog = $ts > 0 ? $db->idate((int) ($ts / 1000)) : $now;

	$sql = "INSERT INTO ".$prefix."netdiag_applog"
		." (entity, fk_user, app_version, device, level, message, date_log, date_creation)"
		." VALUES (".((int) $conf->entity).", ".((int) $user->id).","
		." '".$db->escape($appVersion)."', '".$db->escape($device)."',"
		." '".$db->escape($level)."', '".$db->escape($msg)."',"
		." '".$db->escape($dateLog)."', '".$db->escape($now)."')";
	if ($db->query($sql)) {
		$stored++;
	}
}
$db->commit();

netdiag_api_respond(array('ok' => true, 'stored' => $stored));