Move from features to option based configuration

modules/nix/audio.nix

@@ -0,0 +1,78 @@
+{ lib
+, pkgs
+, config
+, ...
+}:
+
+with lib; let
+    cfg = config.simmer.audio;
+in
+{
+
+    options.simmer.audio = {
+        pipewire = {
+            enable = mkOption {
+                description = "Enable pipewire";
+                type = types.bool;
+                default = false;
+            };
+            pulseSupport = mkOption {
+                description = "Enable pulse support for pipewire";
+                type = types.bool;
+                default = true;
+            };
+            alsaSupport = mkOption {
+                description = "Enable alsa support for pipewire";
+                type = types.bool;
+                default = true;
+            };
+        };
+
+        music = {
+            enable = mkOption {
+                description = "Install music player";
+                type = types.bool;
+                default = false;
+            };
+        };
+
+        tools = {
+            helvum = mkOption {
+                description = "Install helvum";
+                type = types.bool; 
+                default = false;
+            };
+            easyeffects = mkOption {
+                description = "Install easyeffects";
+                type = types.bool; 
+                default = false;
+            };
+            pavucontrol = mkOption {
+                description = "Install pavucontrol";
+                type = types.bool; 
+                default = cfg.pipewire.enable;
+            };
+        };
+    };
+
+    config = {
+        environment.systemPackages = 
+        with pkgs; []
+            ++ optional cfg.tools.helvum helvum
+            ++ optional cfg.tools.easyeffects easyeffects
+            ++ optional cfg.tools.pavucontrol pavucontrol
+            ++ optional cfg.pipewire.pulseSupport pulseaudio
+            ++ optional cfg.music.enable feishin;
+
+
+        security.rtkit.enable = mkIf cfg.pipewire.enable true;
+        services.pipewire = mkIf cfg.pipewire.enable {
+            enable = true;
+            alsa = mkIf cfg.pipewire.alsaSupport {
+                enable = true;
+                support32Bit = true;
+            };
+            pulse.enable = mkIf cfg.pipewire.pulseSupport true;
+        };
+    };
+}