some refactoring and modularizing locale

modules/nixos/hardware/bluetooth/default.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.nixos.hardware.bluetooth;
+in {
+  options = {
+    nixos.hardware.bluetooth.enable = mkEnableOption "Enables bluetooth";
+  };
+  config = mkIf cfg.enable {
+    hardware = {
+      bluetooth = {
+        enable = true;
+        powerOnBoot = false;
+      };
+    };
+  };
+}

modules/nixos/hardware/graphics/amd/default.nix

@@ -0,0 +1,32 @@
+{
+  # pkgs,
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.nixos.hardware.graphics.amd;
+in {
+  options = {
+    nixos.hardware.graphics.amd.enable = mkEnableOption "Enables AMD graphics";
+  };
+  config = mkIf cfg.enable {
+    hardware = {
+      graphics = {
+        enable = true;
+        enable32Bit = true;
+        # extraPackages = with pkgs; [
+        #   libva
+        #   vaapiVdpau
+        #   libvdpau-va-gl
+        #   amdvlk
+        #   vulkan-tools
+        # ];
+        # extraPackages32 = with pkgs.pkgsi686Linux; [
+        #   vaapiVdpau
+        #   libvdpau-va-gl
+        # ];
+      };
+    };
+  };
+}

modules/nixos/hardware/graphics/nvidia/default.nix

@@ -0,0 +1,72 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  nvidia-offload = pkgs.writeShellScriptBin "nvidia-offload" ''
+    export LIBVA_DRIVER_NAME=nvidia
+    export GBM_BACKEND=nvidia-drm
+    export __GLX_VENDOR_LIBRARY_NAME=nvidia
+    export __GL_VRR_ALLOWED=1
+    export XDG_SESSION_TYPE=wayland
+    export NVD_BACKEND=direct
+    export ELECTRON_OZONE_PLATFORM_HINT=auto
+        exec "$@"
+  '';
+  inherit (lib) types mkIf mkEnableOption mkOption;
+  cfg = config.nixos.hardware.graphics.nvidia;
+in {
+  options = {
+    nixos.hardware.graphics.nvidia = {
+      enable = mkEnableOption "Enables NVidia graphics";
+      package = mkOption {
+        type = types.enum ["stable" "beta" "production" "latest"];
+        default = "stable";
+        description = "Choose between the stable, beta, latest, or production NVidia driver package";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      egl-wayland
+    ];
+    hardware = {
+      graphics = {
+        enable = true;
+        enable32Bit = true;
+        extraPackages = with pkgs; [
+          nvidia-offload
+          libva
+          vaapiVdpau
+          libvdpau-va-gl
+          intel-media-driver
+          nvidia-vaapi-driver
+          vulkan-tools
+        ];
+        extraPackages32 = with pkgs.pkgsi686Linux; [
+          vaapiVdpau
+          libvdpau-va-gl
+        ];
+      };
+      nvidia = {
+        package =
+          if cfg.package == "beta"
+          then config.boot.kernelPackages.nvidiaPackages.beta
+          else if cfg.package == "latest"
+          then config.boot.kernelPackages.nvidiaPackages.latest
+          else if cfg.package == "production"
+          then config.boot.kernelPackages.nvidiaPackages.prodution
+          else config.boot.kernelPackages.nvidiaPackages.stable;
+        modesetting.enable = true;
+        powerManagement = {
+          enable = false;
+          finegrained = false;
+        };
+        open = true;
+        nvidiaSettings = true;
+      };
+    };
+  };
+}

modules/nixos/hardware/logitech/default.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.nixos.hardware.logitech;
+in {
+  options = {
+    nixos.hardware.logitech.enable = mkEnableOption "Enables logitech";
+  };
+  config = mkIf cfg.enable {
+    hardware = {
+      logitech.wireless = {
+        enable = true;
+        enableGraphical = true;
+      };
+    };
+  };
+}

modules/nixos/hardware/network/default.nix

@@ -0,0 +1,62 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption mkOption types;
+  cfg = config.nixos.hardware.network;
+in {
+  options = {
+    nixos = {
+      hardware = {
+        network = {
+          enable = mkEnableOption "Enable the custom networking module";
+
+          hostName = mkOption {
+            type = types.str;
+            default = "default-hostname";
+            description = "Hostname for the nixos.";
+          };
+
+          interfaces = mkOption {
+            type = types.attrsOf (types.submodule {
+              options = {
+                allowedTCPPorts = mkOption {
+                  type = types.listOf types.int;
+                  default = [];
+                  description = "List of allowed TCP ports for this interface.";
+                };
+              };
+            });
+            default = {};
+            description = "Network interface configurations.";
+          };
+          nm-applet = {
+            enable = mkEnableOption "Enables the nm-applet service.";
+            indicator = mkOption {
+              type = types.bool;
+              default = false;
+              description = "Enables the nm-applet indicator.";
+            };
+          };
+        };
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    networking = {
+      networkmanager.enable = true;
+      inherit (cfg) hostName;
+      nftables.enable = true;
+      firewall = {
+        enable = true;
+        inherit (cfg) interfaces;
+      };
+    };
+    programs.nm-applet = {
+      enable = cfg.nm-applet.enable;
+      indicator = cfg.nm-applet.indicator;
+    };
+  };
+}