audio: refactor with argc

Signed-off-by: Myned <dev@bjork.tech>

options/custom/desktops/hyprland/binds.nix

@@ -180,7 +180,7 @@ in {
         (key "Up" "Super" "movewindow" "u")
         (key "Up" "Super+Shift" "movewindoworgroup" "u")
 
-        (key "0" "Super" "exec" "${audio}")
+        (key "0" "Super" "exec" "${audio} --bypass")
         (key "0" "Super+Shift" "exec" "${zoom}")
         (key "1" "Ctrl+Alt" "exec" "lifx state --brightness 0.01")
         (key "1" "Super" "workspace" "1")

options/custom/desktops/hyprland/settings.nix

@@ -6,6 +6,7 @@
 }:
 with lib; let
   _1password = "${config.programs._1password-gui.package}/bin/1password";
+  audio = config.home-manager.users.${config.custom.username}.home.file.".local/bin/audio".source;
   clipse = "${pkgs.clipse}/bin/clipse";
   firefox-esr = "${
     config.home-manager.users.${config.custom.username}.programs.firefox.finalPackage
@@ -72,6 +73,7 @@ in {
         optionals config.custom.wallpaper ["wallpaper"]
         ++ [
           sway-audio-idle-inhibit # Inhibit idle while audio is playing
+          "${audio} --init" # Enforce audio profile state
           "${clipse} --clear" # Clear clipboard history
           "${clipse} --listen" # Monitor clipboard
           "${_1password} --silent" # Launch password manager in background

options/custom/scripts/audio.sh

@@ -1,11 +1,68 @@
 #! /usr/bin/env bash
 
-if [[ -v 1 ]]; then
-  easyeffects --load-preset "$1" &&
-    easyeffects --bypass 2
-  notify-send '> audio' "$1" --urgency low
+# @describe Wrapper for toggling between audio profiles
+#
+# https://github.com/sigoden/argc
+
+# HACK: Condition based on file content, requires execution at login to set state
+#?? exec-once = audio --init
+
+# @meta combine-shorts
+# @arg profile=Normalizer EasyEffects profile to toggle to
+# @option -F --flat=`_default_flat` Flat profile to toggle from
+# @option -f --file=`_default_file` Specify file for state
+# @flag -b --bypass Toggle bypass instead of flat profile
+# @flag -i --init Enforce state without toggling
+
+_default_file() {
+  echo "$HOME/.audio"
+}
+
+_default_flat() {
+  echo Flat
+}
+
+eval "$(argc --argc-eval "$0" "$@")"
+
+# Get current profile from file
+if [[ -f "${argc_file:-}" ]]; then
+  profile="$(cat "${argc_file:-}")"
 else
-  easyeffects --load-preset Flat &&
-    easyeffects --bypass 1
-  notify-send '> audio' 'Bypass' --urgency low
+  # Create file with flat profile if missing
+  profile="${argc_flat:-}"
+  echo "$profile" > "${argc_file:-}"
 fi
+
+# Toggle profile
+if ! [[ "${argc_init:-}" ]]; then
+  if [[ "$profile" == "${argc_profile:-}" ]]; then
+    # Flat or bypass
+    if [[ "${argc_bypass:-}" ]]; then
+      profile=1
+    else
+      profile="${argc_flat:-}"
+    fi
+  else
+    # Specified profile
+    profile="${argc_profile:-}"
+  fi
+fi
+
+# Enforce profile
+if [[ "$profile" == 1 ]]; then
+  easyeffects --bypass 1 # Enable
+
+  if ! [[ "${argc_init:-}" ]]; then
+    notify-send "> audio" "Bypass" --urgency low
+  fi
+else
+  easyeffects --load-preset "$profile"
+  easyeffects --bypass 2 # Disable
+
+  if ! [[ "${argc_init:-}" ]]; then
+    notify-send "> audio" "$profile" --urgency low
+  fi
+fi
+
+# Save state
+echo "$profile" > "${argc_file:-}"

options/custom/scripts/default.nix

@@ -48,6 +48,8 @@ in {
           [
             # Bash files with extension .sh
             (bash "audio" [
+              argc
+              coreutils
               easyeffects
               libnotify
             ])