<?php
declare(strict_types=1);

namespace AttHc\Server;

// Hand-rolled PSR-4-ish autoloader. No composer dependency.
spl_autoload_register(static function (string $class): void {
    $prefix = 'AttHc\\Server\\';
    if (strncmp($class, $prefix, strlen($prefix)) !== 0) return;
    $relative = substr($class, strlen($prefix));
    $path = __DIR__ . '/' . str_replace('\\', '/', $relative) . '.php';
    if (is_file($path)) require $path;
});

error_reporting(E_ALL);
ini_set('display_errors', '0');
ini_set('log_errors', '1');

set_error_handler(static function (int $severity, string $message, string $file, int $line): bool {
    if (!(error_reporting() & $severity)) return false;
    throw new \ErrorException($message, 0, $severity, $file, $line);
});

set_exception_handler(static function (\Throwable $e): void {
    error_log('[att-hc-server] ' . $e::class . ': ' . $e->getMessage() . ' @ ' . $e->getFile() . ':' . $e->getLine());
    if (!headers_sent()) {
        http_response_code(500);
        header('Content-Type: application/json');
    }
    echo json_encode(['error' => 'internal server error', 'code' => 'internal']);
});

$configPath = __DIR__ . '/../config.php';
if (!is_file($configPath)) {
    http_response_code(500);
    header('Content-Type: application/json');
    echo json_encode(['error' => 'server not configured: missing config.php', 'code' => 'no_config']);
    exit;
}
Config::load(require $configPath);