From e8525f76ac6a3397dd8546e9237719353a324a57 Mon Sep 17 00:00:00 2001
From: Kuba Orlik <kontakt@kuba-orlik.name>
Date: Mon, 5 Feb 2024 21:38:15 +0100
Subject: [PATCH] Add support for specifying custom config using env variable

---
 env.js          | 3 ++-
 get-config.js   | 7 +++++++
 index.js        | 7 ++++---
 latest_color.js | 4 +++-
 light-loop.js   | 3 ++-
 5 files changed, 18 insertions(+), 6 deletions(-)
 create mode 100644 get-config.js

diff --git a/env.js b/env.js
index 1550184..4deed25 100644
--- a/env.js
+++ b/env.js
@@ -2,5 +2,6 @@ const TOKEN = process.env.HA_TOKEN;
 const HA_URL = process.env.HA_URL || "http://127.0.0.1:8123";
 const PORT = parseInt(process.env.HA_BRIDGE_PORT || "41234");
 const TRANSITION_DURATION_DIVIDER = parseInt(process.env.HA_DURATION_DIVIDER || "1");
+const CONFIG_FILE = process.env.CONFIG_FILE || "./config.js" ;
 
-module.exports = { TOKEN, HA_URL, PORT, TRANSITION_DURATION_DIVIDER };
+module.exports = { TOKEN, HA_URL, PORT, TRANSITION_DURATION_DIVIDER, CONFIG_FILE };
diff --git a/get-config.js b/get-config.js
new file mode 100644
index 0000000..c5d81a1
--- /dev/null
+++ b/get-config.js
@@ -0,0 +1,7 @@
+const { CONFIG_FILE } = require("./env.js");
+
+module.exports = {
+  getConfig: function getConfig() {
+    return require(CONFIG_FILE);
+  },
+};
diff --git a/index.js b/index.js
index 295220d..9eddf5b 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,8 @@
 const dgram = require("node:dgram");
 const server = dgram.createSocket("udp4");
+const { getConfig } = require("./get-config.js");
 
-const { lights } = require("./config.js");
+const { lights } = getConfig();
 const light_loop = require("./light-loop.js");
 const latest_color = require("./latest_color.js");
 const { TOKEN, PORT } = require("./env.js");
@@ -16,12 +17,12 @@ const max_brightness = 0.8;
 
 if (!TOKEN) {
   throw new Error(
-    "Provide the Home Assistant Long Lived Token as a HA_TOKEN environment variable. Go to /profile in Home Assistant and scroll down.",
+    "Provide the Home Assistant Long Lived Token as a HA_TOKEN environment variable. Go to /profile in Home Assistant and scroll down."
   );
 }
 
 console.log(
-  `Remember to set the Hyperion output controller type to UDPRAW and set it to output ${lights.length} lights`,
+  `Remember to set the Hyperion output controller type to UDPRAW and set it to output ${lights.length} lights`
 );
 
 server.on("message", (msg, rinfo) => {
diff --git a/latest_color.js b/latest_color.js
index a399640..09403a9 100644
--- a/latest_color.js
+++ b/latest_color.js
@@ -1,4 +1,6 @@
-const { lights } = require("./config.js");
+const { getConfig } = require("./get-config.js");
+
+const { lights } = getConfig();
 
 let latest_color = [];
 
diff --git a/light-loop.js b/light-loop.js
index 5025741..60e97c9 100644
--- a/light-loop.js
+++ b/light-loop.js
@@ -2,7 +2,8 @@ const { HA_URL, TOKEN, TRANSITION_DURATION_DIVIDER } = require("./env.js");
 
 const { sleep } = require("./util.js");
 const latest_color = require("./latest_color.js");
-const { lights } = require("./config.js");
+const { getConfig } = require("./get-config.js");
+const { lights } = getConfig();
 
 async function send_color(
   light_data,