From 46672786ab4192cd8c2fdfc218666baefed210fd Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Fri, 25 Nov 2022 14:59:49 -0500
Subject: [PATCH] Add temperature to waybar in FreeBSD.

---
 ansible/roles/sway/files/style.css            |  1 +
 ansible/roles/sway/files/waybar_config.json   |  7 ++-
 .../waybar_temperature_freebsd.bash           | 46 +++++++++++++++++++
 ansible/roles/sway/tasks/freebsd.yaml         |  2 +
 4 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 ansible/roles/sway/files/waybar_scripts/waybar_temperature_freebsd.bash

diff --git a/ansible/roles/sway/files/style.css b/ansible/roles/sway/files/style.css
index 7acad3b..fd0f687 100644
--- a/ansible/roles/sway/files/style.css
+++ b/ansible/roles/sway/files/style.css
@@ -59,6 +59,7 @@
 #custom-battery,
 #custom-clock,
 #custom-sound,
+#custom-temperature,
 #idle_inhibitor,
 #memory,
 #mode,
diff --git a/ansible/roles/sway/files/waybar_config.json b/ansible/roles/sway/files/waybar_config.json
index 564cf37..d6949c3 100644
--- a/ansible/roles/sway/files/waybar_config.json
+++ b/ansible/roles/sway/files/waybar_config.json
@@ -1,7 +1,7 @@
 {
   // "height": 10, // Waybar height (to be removed for auto height)
   "modules-left": ["sway/workspaces", "sway/mode"],
-  "modules-right": ["custom/sound", "custom/available_memory", "custom/battery", "idle_inhibitor", "custom/clock", "tray"],
+  "modules-right": ["custom/temperature", "custom/sound", "custom/available_memory", "custom/battery", "idle_inhibitor", "custom/clock", "tray"],
   "sway/workspaces": {
     "disable-scroll": true
   },
@@ -38,5 +38,10 @@
     "exec": "waybar_custom_sound",
     "return-type": "json",
     "restart-interval": 30
+  },
+  "custom/temperature": {
+    "exec": "waybar_custom_temperature",
+    "return-type": "json",
+    "restart-interval": 30
   }
 }
diff --git a/ansible/roles/sway/files/waybar_scripts/waybar_temperature_freebsd.bash b/ansible/roles/sway/files/waybar_scripts/waybar_temperature_freebsd.bash
new file mode 100644
index 0000000..25c9310
--- /dev/null
+++ b/ansible/roles/sway/files/waybar_scripts/waybar_temperature_freebsd.bash
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+#
+# Read temperature status in FreeBSD
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+SLEEP_INTERVAL=${SLEEP_INTERVAL:-30}
+
+while true; do
+    current_cpu_temps=$(sysctl 'dev.cpu' | grep -E 'dev\.cpu\.[0-9]+\.temperature')
+    sum_temperature=0
+    num_temperature=0
+    max_temperature=0
+    while read temp; do
+        numeric_temp=$(echo "$temp" | cut -d ':' -f 2 | grep -oE '[0-9]+(\.[0-9]+)?')
+        sum_temperature=$(bc -s <<<"$sum_temperature + $numeric_temp")
+        num_temperature=$((num_temperature + 1))
+        max_temperature=$(bc <<EOF
+define max(a,b){
+  if(a>b)
+  {
+   return(a)
+  }else{
+   return(b)
+  }
+}
+max($max_temperature,$numeric_temp)
+EOF
+)
+    done<<<"$current_cpu_temps"
+    avg_temperature=$(bc -s <<<"$sum_temperature / $num_temperature")
+    tooltip="<tt>$current_cpu_temps</tt>"
+    class=""
+    icon="🌡"
+
+    jq --unbuffered --compact-output <<EOF
+{
+"text":"${max_temperature}℃ ${icon}",
+"tooltip":"${tooltip//$'\n'/\\n}",
+"percentage":50,
+"class":"${class}"
+}
+EOF
+    sleep $SLEEP_INTERVAL
+done
diff --git a/ansible/roles/sway/tasks/freebsd.yaml b/ansible/roles/sway/tasks/freebsd.yaml
index 891449c..edf30e2 100644
--- a/ansible/roles/sway/tasks/freebsd.yaml
+++ b/ansible/roles/sway/tasks/freebsd.yaml
@@ -63,3 +63,5 @@
       dest: /usr/local/bin/waybar_custom_available_memory
     - src: waybar_sound_freebsd.bash
       dest: /usr/local/bin/waybar_custom_sound
+    - src: waybar_temperature_freebsd.bash
+      dest: /usr/local/bin/waybar_custom_temperature