start

src/App/Config.php

@@ -0,0 +1,60 @@
+<?php
+declare(strict_types=1);
+
+namespace App;
+
+final class Config
+{
+    public function __construct(
+        public readonly string $env,
+        public readonly string $prefix,
+        public readonly string $primaryDomain,
+        public readonly string $primaryUrl,
+        public readonly string $apiBase,
+        public readonly string $assetVersion,
+        public readonly bool   $dbEnabled,
+        public readonly array  $db,
+    ) {}
+
+    public static function fromPhpConstants(string $configDir): self
+    {
+        // config.php defines these constants.
+        $env          = defined('APP_ENV') ? (string) APP_ENV : 'prod';
+        $prefix       = defined('APP_PREFIX') ? (string) APP_PREFIX : 'app';
+        $primaryDom   = defined('APP_DOMAIN_PRIMARY') ? (string) APP_DOMAIN_PRIMARY : 'example.test';
+        $primaryUrl   = defined('APP_URL_PRIMARY') ? (string) APP_URL_PRIMARY : 'https://example.test';
+        $apiBase      = defined('APP_API_BASE') ? (string) APP_API_BASE : ($primaryUrl . '/api');
+        $assetVersion = defined('ASSET_VERSION') ? (string) ASSET_VERSION : '';
+
+        $dbEnabled    = defined('APP_DB_ENABLED') ? (bool) APP_DB_ENABLED : false;
+
+        $dbFile = rtrim($configDir, '/\\') . DIRECTORY_SEPARATOR . 'db.php';
+        $db     = file_exists($dbFile) ? (array) require $dbFile : [];
+
+        return new self(
+            env: $env,
+            prefix: $prefix,
+            primaryDomain: $primaryDom,
+            primaryUrl: rtrim($primaryUrl, '/'),
+            apiBase: rtrim($apiBase, '/'),
+            assetVersion: $assetVersion,
+            dbEnabled: $dbEnabled,
+            db: $db
+        );
+    }
+
+    public function cookiePrefix(): string
+    {
+        // Example: add suffix for staging
+        if ($this->env === 'staging') {
+            return $this->prefix . '_stg_';
+        }
+        return $this->prefix . '_';
+    }
+
+    public function cookieDomain(): string
+    {
+        // Leading dot for subdomain-wide cookies
+        return '.' . ltrim($this->primaryDomain, '.');
+    }
+}