
<?php
header('Content-Type: application/json');
$action = $_GET['action'] ?? $_POST['action'] ?? '';

switch($action) {
    case 'run':
        $output = shell_exec('/opt/wevads/scripts/auto-repair.sh 2>&1');
        echo json_encode(['success' => true, 'output' => $output]);
        break;
        
    case 'status':
        $services = [
            'apache2' => trim(shell_exec('systemctl is-active apache2 2>/dev/null')) === 'active',
            'postgresql' => trim(shell_exec('systemctl is-active postgresql 2>/dev/null')) === 'active',
            'n8n' => trim(shell_exec('systemctl is-active n8n 2>/dev/null')) === 'active',
            'java' => trim(shell_exec('pgrep -f adxapp.jar > /dev/null && echo 1 || echo 0')) === '1'
        ];
        
        $disk = (int)trim(shell_exec("df / | tail -1 | awk '{print \$5}' | sed 's/%//'"));
        $mem = shell_exec("free -m | grep Mem | awk '{print \$2,\$7}'");
        list($total, $avail) = explode(' ', trim($mem));
        $mem_percent = round(($avail / $total) * 100);
        
        $ports = [];
        foreach([5821, 5822, 5823, 5678, 5432] as $p) {
            $ports[$p] = trim(shell_exec("netstat -tlnp 2>/dev/null | grep -q ':$p ' && echo 1 || echo 0")) === '1';
        }
        
        echo json_encode([
            'success' => true,
            'services' => $services,
            'disk_usage' => $disk,
            'mem_free' => $mem_percent,
            'ports' => $ports,
            'timestamp' => date('Y-m-d H:i:s')
        ]);
        break;
        
    case 'restart':
        $service = $_POST['service'] ?? '';
        if(in_array($service, ['apache2', 'postgresql', 'n8n'])) {
            shell_exec("systemctl restart $service 2>&1");
            echo json_encode(['success' => true, 'message' => "$service restarted"]);
        } else {
            echo json_encode(['success' => false, 'error' => 'Invalid service']);
        }
        break;
        
    case 'logs':
        $logs = shell_exec('tail -50 /var/log/wevads/auto-repair.log 2>/dev/null');
        echo json_encode(['success' => true, 'logs' => $logs]);
        break;
        
    default:
        echo json_encode(['success' => false, 'error' => 'Unknown action']);
}