random bg (ty gemini)

machines/latitude/hardware-configuration.nix

@@ -63,7 +63,7 @@
 
   # Define time delay for hibernation
   systemd.sleep.settings.Sleep = {
-    HibernateDelaySec = 900;
+    HibernateDelaySec = 300;
   };
 
   # facial recognition

modules/sway/home.nix

@@ -114,7 +114,7 @@
         };
       };
       startup = [
-        { command = "swaybg -i ~/.background-image -m fill"; }
+        # { command = "swaybg -i ~/.background-image -m fill"; }
         { command = "discord --enable-features=UseOzonePlatform --ozone-platform=wayland"; }
         { command = "trilium"; }
         { command = "jami"; }
@@ -140,6 +140,73 @@
         }
       ];
     };
+    extraConfig = ''
+      exec_always swaymsg output "*" bg ~/.background-image fill
+    '';
+  };
+
+  # yeah this was written by ai if it wasn't obvious
+  systemd.user.services.random-background = {
+    Unit = {
+      Description = "Update ~/.background_image with a random wallpaper";
+    };
+    Service = {
+      Type = "oneshot";
+      # pkgs.writeShellScript creates an executable script in the nix store
+      ExecStart = "${pkgs.writeShellScript "random-bg-script" ''
+        # Nix uses 'set -e' by default, meaning any command failure kills the script.
+        # We use native bash features to safely handle finding the image and socket.
+
+        WALLPAPER_DIR="$HOME/wallpapers"
+        TARGET="$HOME/.background_image"
+
+        if [ ! -d "$WALLPAPER_DIR" ]; then
+          echo "Wallpaper directory not found."
+          exit 0
+        fi
+
+        # 1. Get a random image safely (|| true prevents set -e crashes if find returns nothing)
+        RANDOM_IMG=$(${pkgs.findutils}/bin/find "$WALLPAPER_DIR" -type f \( -iname \*.jpg -o -iname \*.png -o -iname \*.jpeg \) 2>/dev/null | ${pkgs.coreutils}/bin/shuf -n 1 || true)
+
+        if [ -n "$RANDOM_IMG" ]; then
+          # 2. Update symlink
+          ${pkgs.coreutils}/bin/ln -sf "$RANDOM_IMG" "$TARGET"
+          
+          # 3. Safely find the socket using native Bash globbing.
+          # systemd user services natively provide the correct $XDG_RUNTIME_DIR (/run/user/1000)
+          shopt -s nullglob
+          SOCKETS=("$XDG_RUNTIME_DIR"/sway-ipc.*.sock)
+          
+          # 4. Check if the bash array found any socket files
+          if [ ''${#SOCKETS[@]} -gt 0 ]; then
+            export SWAYSOCK="''${SOCKETS[0]}"
+            echo "Using socket: $SWAYSOCK"
+            
+            # 5. Execute swaymsg
+            ${pkgs.sway}/bin/swaymsg output "*" bg "$RANDOM_IMG" fill
+            echo "Updated background to $RANDOM_IMG"
+          else
+            echo "Error: Could not find any sway socket in $XDG_RUNTIME_DIR"
+            exit 1
+          fi
+        else
+          echo "No images found in $WALLPAPER_DIR"
+        fi
+      ''}";
+    };
+  };
+
+  systemd.user.timers.random-background = {
+    Unit = {
+      Description = "Run random-background service every hour";
+    };
+    Timer = {
+      OnCalendar = "minutely";
+      Persistent = true;
+    };
+    Install = {
+      WantedBy = [ "timers.target" ];
+    };
   };
 
   programs.waybar = {
@@ -237,4 +304,5 @@
     QT_STYLE_OVERRIDE = "org.kde.breezedark.desktop";
     GTK_THEME = "Materia-dark-compact";
   };
+
 }