improved token generator

generators/token.js

@@ -1,5 +1,19 @@
 const uuid = require('uuid').v4;
+const fs = require('fs-extra');
+const path = require('path');
+
 module.exports = () => uuid().replace(/-/g, '');
 
 // If directly called on the command line, generate a new token
-require.main === module && console.log(`Here is your new token:\n\n ${module.exports()}\n\nThis token has been automatically applied and is ready for use. You do not need to restart 'ass'.`);
+if (require.main === module) {
+	let token = module.exports();
+	let authPath = path.join(__dirname, '..', 'auth.json');
+
+	fs.readJson(authPath)
+		.then((auth) => {
+			auth.tokens.push(token);
+			fs.writeJsonSync(authPath, auth, { spaces: 4 });
+		})
+		.then(() => console.log(`A new token has been generated and automatically applied. You do not need to restart 'ass'.\n\nYour token: ${token}`))
+		.catch(console.error);
+}