1 files changed, 48 insertions, 0 deletions

diff --git a/services/battery.nix b/services/battery.nix
new file mode 100644
index 0000000..a871e8f
--- /dev/null
+++ b/services/battery.nix
@@ -0,0 +1,48 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.battery-alert;
+  bat = pkgs.writeScriptBin "bat"
+    ''
+    '';
+in
+{
+  options.services.battery-alert = {
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        If enabled, NixOS will periodically check battery levels and report
+        if it is below a threshold value.
+      '';
+    };
+  };
+
+  config = {
+    systemd.user.timers.battery-alert = mkIf cfg.enable {
+      description = "Periodically check battery status and alert if required";
+      timerConfig.OnBootSec = "1m";
+      timerConfig.OnUnitInactiveSec = "1m";
+      timerConfig.Unit = "battery-alert.service";
+      wantedBy = [ "timers.target" ];
+    };
+
+    systemd.user.services.battery-alert = {
+      description = "Check battery levels";
+      path = [ pkgs.libnotify pkgs.coreutils ];
+      serviceConfig = {
+        PassEnvironment = "DISPLAY XAUTHORITY";
+      };
+      script = ''
+        bat_status=$( ${pkgs.coreutils}/bin/cat /sys/class/power_supply/BAT0/capacity )
+        charging_status=$( ${pkgs.coreutils}/bin/cat /sys/class/power_supply/BAT0/status )
+
+        # if [[ $bat_status -ge 10 ]]; then
+        ${pkgs.libnotify}/bin/notify-send "Battery low: $bat_status%" "$charging_status"
+        # fi
+      '';
+    };
+
+  };
+}