From a59dd3fe6fee8c8ee5553fdbbfa99d29224514f8 Mon Sep 17 00:00:00 2001
From: Skylar Grant <sky@vfsh.dev>
Date: Sat, 30 Nov 2024 16:19:47 -0500
Subject: [PATCH] Changed interface switching to use .env

---
 src/custom_modules/VoidGPIO.js | 26 +++++++++++++-------------
 src/main.js                    |  2 ++
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/src/custom_modules/VoidGPIO.js b/src/custom_modules/VoidGPIO.js
index f83f272..b7ce4f9 100644
--- a/src/custom_modules/VoidGPIO.js
+++ b/src/custom_modules/VoidGPIO.js
@@ -1,21 +1,21 @@
 const { exec } = require('child_process');
-const config = require('./config.json');
+let gpioScript = new String();
+
+if (process.env.GPIO_MODE === 'EMULATED') {
+    gpioScript = 'src/python/fake_gpio_interface.py';
+} else if (process.env.GPIO_MODE === 'PHYSICAL') {
+    gpioScript = 'src/python/gpio_interface.py';
+} else {
+    throw new Error('GPIO_MODE environment variable not set');
+}
+
+console.log(`GPIO_MODE: ${process.env.GPIO_MODE}`);
 
 module.exports = {
-    // Calls the GPIO Interface script to toggle a pin's state opposite of its current state
-    // togglePin(pin) {
-    //     return new Promise((resolve, reject) => {
-    //         exec(`python3 ${config.gpioScript} toggle ${pin}`, (error, stdout, stderr) => {
-    //             if (error) reject(error);
-    //             if (stderr) reject(new Error(stderr));
-    //             resolve();
-    //         });
-    //     });
-    // },
     // Calls the GPIO Interface script to read a pin's state
     readPin(pin) {
         return new Promise((resolve, reject) => {
-            exec(`python3 ${config.gpioScript} read ${pin}`, (error, stdout, stderr) => {
+            exec(`python3 ${gpioScript} read ${pin}`, (error, stdout, stderr) => {
                 if (error) reject(error);
                 if (stderr) reject(new Error(stderr));
                 resolve(stdout.trim());
@@ -25,7 +25,7 @@ module.exports = {
     // Calls the GPIO Interface script to set a pin's state regardless of its current state
     setPin(pin, state) {
         return new Promise((resolve, reject) => {
-            exec(`python3 ${config.gpioScript} set ${pin} ${state}`, (error, stdout, stderr) => {
+            exec(`python3 ${gpioScript} set ${pin} ${state}`, (error, stdout, stderr) => {
                 if (error) {
                     reject(error);
                 }
diff --git a/src/main.js b/src/main.js
index 27954fd..3db81b1 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,6 +1,8 @@
 /***************************************************************************************/
 // Import modules
 /***************************************************************************************/
+const dotenv = require('dotenv');
+dotenv.config();
 const gpio = require('./custom_modules/VoidGPIO.js');
 const config = require('./custom_modules/config.json');
 const fn = require('./custom_modules/functions.js');