Config stuff, docs

bin/mercureactd

@@ -3,10 +3,60 @@
 
 use NoccyLabs\Mercureact\Configuration;
 use NoccyLabs\Mercureact\Daemon;
+use PHPUnit\TextUI\Help;
 
 require_once __DIR__."/../vendor/autoload.php";
 
-$opts = getopt("c:");
+$opts = getopt("c:C:h");
+
+if (isset($opts['h'])) {
+    fwrite(STDERR, <<<HELP
+    Mercureact Realtime SSE Daemon
+    (c) 2024, NoccyLabs - Distributed under GNU GPL v3 or later.
+
+      Options:
+
+        -c config     Read configuration from file
+        -C config     Write a new configuration to file and open with editor
+    
+    
+    HELP);
+    exit(0);
+}
+
+if (isset($opts['C'])) {
+    $file = $opts['C'];
+    if (file_exists($file)) {
+        fwrite(STDERR, "File {$file} already exists. Will not overwrite.\n");
+        exit(1);
+    }
+    file_put_contents($file, <<<DEFAULTS
+    listeners:
+    - address: 0.0.0.0:9000
+      cors:
+        allow_origin: '*'
+        csp: "default-src * 'self' http: 'unsafe-eval' 'unsafe-inline'; connect-src * 'self'"
+      encryption:
+        cert: foo.pem
+        key: foo.key
+
+    websocket:
+      enable: true
+
+    publish:
+      overwrite_id: false
+      reject_duplicates: true
+
+    subscribe:
+      allow_anonymous: true
+
+    security:
+      jwt_secret: "!ChangeThisMercureHubJWTSecretKey!"
+
+    DEFAULTS);
+    passthru("editor ".escapeshellarg($file));
+    exit(1);
+}
 
 if (isset($opts['c'])) {
     $config = Configuration::fromFile($opts['c']);