Fix Twitch OAuth redirect URI and update setup instructions

SETUP_AND_TESTING.md

@@ -31,7 +31,7 @@ This document provides instructions to set up and test the MultiChat Overlay app
 ## 3. Configure Twitch API Credentials
 
 1.  **Create Twitch Application:** Go to the Twitch Developer Console (dev.twitch.tv/console/apps) and create a new application.
-    *   Set the **OAuth Redirect URLs** to `http://localhost/auth/twitch/callback.php` (or `http://localhost:PORT/auth/twitch/callback.php` if you're using a different port for your PHP server).
+    *   Set the **OAuth Redirect URLs** to `http://localhost/auth.php` (or `http://localhost:PORT/auth.php` if you're using a different port for your PHP server).
 2.  **Get Client ID and Secret:** Note down your Client ID and generate a Client Secret.
 3.  **Update `php/config.php`:** Open `/home/joe/MultiChatOverlay/php/config.php` and update the `TWITCH_CLIENT_ID`, `TWITCH_CLIENT_SECRET`, and `TWITCH_REDIRECT_URI` constants with your application's credentials.
 

php/auth/twitch/login.php

@@ -0,0 +1,19 @@
+<?php
+// php/auth/twitch/login.php - Initiates Twitch OAuth flow
+
+require_once '../../config.php';
+
+// Scopes required to get user's email and channel info
+$scopes = "user:read:email chat:read"; // Ensure chat:read is included
+
+$auth_url = (
+    "https://id.twitch.tv/oauth2/authorize" .
+    "?client_id=" . TWITCH_CLIENT_ID .
+    "&redirect_uri=" . TWITCH_REDIRECT_URI .
+    "&response_type=code" .
+    "&scope=" . urlencode($scopes)
+);
+
+header("Location: " . $auth_url);
+exit();
+?>

php/config.php

@@ -0,0 +1,24 @@
+<?php
+// php/config.php
+
+// Database credentials
+define('DB_HOST', 'localhost');
+define('DB_USER', 'multichat_user'); // Replace with your MySQL username
+define('DB_PASS', '!Bdsbkh2!'); // Replace with your MySQL password
+define('DB_NAME', 'multichat_overlay');
+
+// Twitch API credentials
+define('TWITCH_CLIENT_ID', 'hf00cu69zzjxbmtmjipzebrmsexuxt'); // Replace with your Twitch Client ID
+define('TWITCH_CLIENT_SECRET', '9iqweehbkx113hqmrhigk3rsaoiyqa'); // Replace with your Twitch Client Secret
+define('TWITCH_REDIRECT_URI', 'http://localhost/auth.php'); // Replace with your redirect URI
+
+// Session secret for secure cookies
+define('SESSION_SECRET', 'o2LuCTQHN1JMlR0HeciJTNTx9OMFg5zXBiEpes26ouo='); // IMPORTANT: Change this to a strong, random string
+
+// WebSocket server address
+define('WEBSOCKET_HOST', 'localhost');
+define('WEBSOCKET_PORT', 8080);
+
+// Base URL for the application
+define('BASE_URL', 'http://localhost'); // Replace with your application's base URL
+?>