Small environment variable improvements (#38)

* Fix twitch env vars in .env.example

* Add comments to .env.example

* Allow overriding twitch channels and twitch id

Author: pjeweb

.env.example

@@ -1,21 +1,34 @@
-TWITCH_CLIENT_ID=xxxxxxxxxxxxx
-TWITCH_CLIENT_SECRET=xxxxxxxxxx
-TWITCH_TOKEN_PATH=/tokens/tokens.json
+# Twitch API Client ID and Secret
+ALVEUS_CLIENT_ID=xxxxxxxxxxxxx
+ALVEUS_CLIENT_SECRET=xxxxxxxxxx
+ALVEUS_TOKEN_PATH=/tokens/tokens.json
 
+# Alveus Twitch Account ID for some API calls (Stream Info and Markers)
+#ALVEUS_TWITCH_ID=123456789
+
+# Comma separated list of twitch channels to monitor
+#TWITCH_CHANNELS="xxx,yyy"
+
+# Local OBS Websocket URL and Key
 OBS_WS="ws://127.0.0.1:12345"
 OBS_KEY="xxxxxxx"
 
+# OBS Bot Host and Port
 OBSBOT_HOST="127.0.0.1"
 OBSBOT_PORT=12345
 
+# Courier API Key for sending messages
 COURIER_KEY="xxxxxxxxx"
 
+# Axis
 AXIS_USERNAME=xxxxxx
 AXIS_PASSWORD=xxxxxxxx
 
-AXIS_CAMERA_IP="127.0.0.1"
-
+# Axis Camera IPs (see axisCameras in config)
+#AXIS_PASTURE_IP="georgie.local"
+#AXIS_GEORGIE_IP="georgie.local"
 
+# Unifi
 UNIFI_AP_MACS="{"ee:ee:ee:ee:ee:ee":"test"}"
 UNIFI_IP="127.0.0.1"
 UNIFI_USERNAME='xxxx'

src/config/config.js

@@ -2,9 +2,14 @@
 const devPrefix = process.env.NODE_ENV == 'development' ? `$` : '!';
 const commandPrefix = devPrefix;
 
-const twitchChannelList = ["spacevoyage", "alveussanctuary", "alveusgg"];
+const twitchChannelList = process.env.TWITCH_CHANNELS ?
+    process.env.TWITCH_CHANNELS.split(",").map((channel) => channel.trim()) :
+    ["spacevoyage", "alveussanctuary", "alveusgg"];
+
+const alveusTwitchID = process.env.ALVEUS_TWITCH_ID ?
+    Number.parseInt(process.env.ALVEUS_TWITCH_ID) :
+    636587384;
 
-const alveusTwitchID = 636587384;
 const pauseNotify = true;
 const pauseGameChange = true;
 const pauseTwitchMarker = true;