From 563134b0fe40abe281bec27c37a9c2cfce548056 Mon Sep 17 00:00:00 2001
From: Janis Hutz <development@janishutz.com>
Date: Tue, 25 Aug 2026 10:57:49 +0200
Subject: [PATCH] feat: systemd unit, simple install script, clean up todos

---
 config.yml               |  2 --
 install.sh               |  5 +++++
 mqtt-remote-gpio.service |  7 +++++++
 src/main.rs              | 20 +++++++++++++-------
 src/mqtt.rs              |  3 ---
 5 files changed, 25 insertions(+), 12 deletions(-)
 create mode 100755 install.sh
 create mode 100644 mqtt-remote-gpio.service

diff --git a/config.yml b/config.yml
index 5a86ec8..8d1e438 100644
--- a/config.yml
+++ b/config.yml
@@ -6,8 +6,6 @@ mqtt:
   password: "234"
   user: "mqtt"
 
-# TODO: Consider adding an auto-off setting for out mode
-# Add default setting (also only for out)
 topics:
   - topic: "" # The pin id is appended as /<id> to the topic.
     pin: 0
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..f95377b
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+cargo install
+sudo cp ./config.yml /etc/mqtt-remote-gpio.config.yml
+sudo cp ./mqtt-remote-gpio.service /etc/systemd/system/
diff --git a/mqtt-remote-gpio.service b/mqtt-remote-gpio.service
new file mode 100644
index 0000000..47fb26b
--- /dev/null
+++ b/mqtt-remote-gpio.service
@@ -0,0 +1,7 @@
+[Service]
+Type=simple
+ExecStart=/usr/bin/mqtt-remote-gpio
+
+[Unit]
+Restart=always
+RestartSec=10
diff --git a/src/main.rs b/src/main.rs
index a2a4530..ea2613a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,17 +1,23 @@
+use std::fs;
+
 mod conf;
 mod gpio_utils;
 mod mqtt;
 
 fn main() {
-    // TODO: Proper cli interface and start screen
-    // CLI interface should allow setting the config file
-    println!("mqtt-remote-gpio");
+    println!(r"
+        __ _  _    _                                _               __ _  _ __  _      
+ _ __  / _` || |_ | |_        _ _  ___  _ __   ___ | |_  ___       / _` || '_ \(_) ___ 
+| '  \ \__. ||  _||  _|      | '_|/ -_)| '  \ / _ \|  _|/ -_)      \__. || .__/| |/ _ \
+|_|_|_|   |_| \__| \__|      |_|  \___||_|_|_|\___/ \__|\___|      |___/ |_|   |_|\___/
+        ");
 
-    // let config = conf::load_config("config.yml").unwrap();
-    let config = conf::load_config("config.secret.yml").unwrap();
+    let mut conf_path = std::env::args().nth(1).unwrap_or("config.yml".to_string());
+    if fs::exists(conf_path).unwrap_or(false) {
+        conf_path = "/etc/mqtt-remote-gpio.config.yml".to_string();
+    }
 
-    // TODO: Remove this when done
-    println!("{:#?}", config);
+    let config = conf::load_config(&conf_path).unwrap();
 
     mqtt::handler(config);
 }
diff --git a/src/mqtt.rs b/src/mqtt.rs
index 29e4c12..64e9029 100644
--- a/src/mqtt.rs
+++ b/src/mqtt.rs
@@ -36,7 +36,6 @@ pub fn handler(config: Config) {
         loop {
             let mut i = 0;
             for topic in input_pins.iter_mut() {
-                // TODO: handle fails
                 let val = read_pin(&mut topic.gpio);
                 if val != pin_state[i] {
                     pin_state[i] = val;
@@ -65,8 +64,6 @@ pub fn handler(config: Config) {
                 controller.handle_event(&content);
             }
         }
-        // println!("Notification {:?}", msg);
         thread::sleep(Duration::from_millis(config.poll_interval / 2));
-        // TODO: Handle pin value change instructions
     }
 }