
<?php
header('Content-Type: application/json');
error_reporting(E_ALL);
ini_set('display_errors', 0);

// Database connection (if needed)
$db = null;
try {
    $db = pg_connect("host=localhost dbname=adx_system user=admin password=admin123");
    if ($db) {
        pg_query($db, "SET search_path TO admin, public");
    }
} catch (Exception $e) {
    // Database connection optional for stubs
}

// Get parameters
$action = $_GET['action'] ?? $_POST['action'] ?? 'status';
$input = json_decode(file_get_contents('php://input'), true) ?: $_POST;

$response = [
    'success' => true,
    'endpoint' => basename(__FILE__, '.php'),
    'action' => $action,
    'timestamp' => date('c'),
    'server' => gethostname()
];

switch ($action) {
    case 'status':
        $response['status'] = 'operational';
        $response['stats'] = [
            'uptime' => '24h',
            'requests_today' => rand(100, 1000),
            'success_rate' => rand(85, 99) . '%',
            'queue_size' => rand(0, 50)
        ];
        break;
        
    case 'info':
        $response['info'] = [
            'description' => 'API endpoint for cvc',
            'version' => '1.0.0',
            'available_actions' => ['status', 'info', 'execute', 'config'],
            'requires_auth' => false
        ];
        break;
        
    case 'execute':
        $response['message'] = 'Execution simulated for cvc';
        $response['execution_id'] = uniqid('exec_');
        $response['estimated_time'] = '5s';
        break;
        
    case 'config':
        $response['config'] = [
            'enabled' => true,
            'auto_start' => false,
            'max_concurrent' => 5,
            'retry_count' => 3
        ];
        break;
        
    default:
        $response['success'] = false;
        $response['error'] = 'Unknown action: ' . $action;
        $response['available_actions'] = ['status', 'info', 'execute', 'config'];
}

echo json_encode($response, JSON_PRETTY_PRINT);
?>