<?php
/**
 * generate_mock_data.php
 * Standalone JWT generator for stress testing.
 * Does NOT use connect.php (which requires HTTP context and JWT auth).
 * Reads the JWT secret the same way driver_socket.php does.
 */
error_reporting(0);
ini_set('display_errors', '0');

// Load JWT library from loction_server vendor
require_once dirname(__DIR__) . '/loction_server/vendor/autoload.php';

use Firebase\JWT\JWT;

// ── Load .env (same parser as driver_socket.php) ──
function loadEnvFile(string $path): void {
    if (!file_exists($path)) return;
    foreach (file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) as $line) {
        if (str_starts_with(trim($line), '#') || !str_contains($line, '=')) continue;
        [$name, $value] = explode('=', $line, 2);
        putenv(trim($name) . '=' . trim($value, "\"'"));
    }
}

// Try location server env first (same source driver_socket.php uses)
loadEnvFile('/home/location/env/.env');
// Fallback: try backend .env
loadEnvFile(dirname(__DIR__) . '/backend/.env');

// ── Resolve JWT secret (same logic as driver_socket.php) ──
function getJwtSecret(): string {
    $keyPath = getenv('JWT_SECRET_KEY_PATH');
    if ($keyPath && file_exists($keyPath)) {
        return trim(file_get_contents($keyPath));
    }
    $key = getenv('JWT_SECRET_KEY');
    if ($key) return $key;
    // backend .env uses JWT_SECRET (without _KEY suffix)
    $key = getenv('JWT_SECRET');
    if ($key) return $key;
    return '';
}

$secret = getJwtSecret();
if (empty($secret)) {
    echo json_encode(['error' => 'JWT secret not found', 'jwt' => '']);
    exit(1);
}

$driverId = $argv[1] ?? '999999';

$payload = [
    'sub'  => (string)$driverId,
    'role' => 'driver',
    'iat'  => time(),
    'exp'  => time() + 86400,
];

$jwt = JWT::encode($payload, $secret, 'HS256');

echo json_encode([
    'driver_id' => $driverId,
    'jwt'       => $jwt,
]);