<?php
header('Content-Type: application/json');
$R = ['ts' => date('c'), 'files' => [], 'total_replacements' => 0, 'ok' => true];
$TS = date('Ymd-Hi');

$files = [
    '/var/www/html/cron-control.html',
    '/var/www/html/enterprise-management.html',
    '/var/www/html/enterprise-model.html',
    '/var/www/html/ops-center.html',
    '/var/www/html/wiki.html',
    // faq déjà fixé
];

foreach ($files as $f) {
    $info = ['path' => $f, 'exists' => file_exists($f)];
    if (!$info['exists']) { $R['files'][] = $info+['skip'=>'missing']; continue; }
    
    // Check chattr
    exec('lsattr ' . escapeshellarg($f) . ' 2>&1', $lsa);
    $immut = isset($lsa[0]) && strpos($lsa[0], '-i-') !== false;
    $info['chattr_i'] = $immut;
    
    if ($immut) {
        $R['files'][] = $info + ['skip' => 'chattr_i_root_needed'];
        continue;
    }
    
    $content = @file_get_contents($f);
    $before = substr_count($content, '11435');
    if ($before === 0) { $R['files'][] = $info+['skip'=>'no_11435']; continue; }
    
    $GOLD = "/opt/wevads/vault/" . basename($f) . ".GOLD-pre-11434-{$TS}";
    @copy($f, $GOLD);
    
    $new = str_replace('11435', '11434', $content);
    $temp = $f . '.tmp-opus5';
    file_put_contents($temp, $new);
    $renamed = @rename($temp, $f);
    
    clearstatcache();
    $after = substr_count(@file_get_contents($f), '11435');
    
    $info += [
        'before' => $before,
        'after' => $after,
        'renamed' => $renamed,
        'gold' => $GOLD
    ];
    $R['files'][] = $info;
    if ($after === 0) $R['total_replacements'] += $before;
    else $R['ok'] = false;
    
    $lsa = []; // reset for next iter
}

echo json_encode($R, JSON_PRETTY_PRINT|JSON_UNESCAPED_SLASHES);