nix-files/hosts/common/programs/swaynotificationcenter/buttons.nix

{ pkgs }:
let
  systemctl-toggle' = pkgs.writeShellApplication {
    name = "systemctl-toggle";
    runtimeInputs = [
      pkgs.systemd
    ];
    text = ''
      if systemctl is-active "$@"; then
        systemctl stop "$@"
      else
        systemctl start "$@"
      fi
    '';
  };
  systemctl-toggle = "${systemctl-toggle'}/bin/systemctl-toggle";

  print-is-active' = pkgs.writeShellApplication {
    name = "print-is-active";
    runtimeInputs = [
      pkgs.systemd
    ];
    text = ''
      if systemctl is-active "$@"; then
        echo true
      else
        echo false
      fi
    '';
  };
  print-is-active = "${print-is-active'}/bin/print-is-active";
in
{
  gps = {
    type = "toggle";
    label = "";  # GPS services; other icons: gps, ⌖, 🛰, 🌎, 
    command = "/run/wrappers/bin/sudo ${systemctl-toggle} eg25-control-gps";
    update-command = "${print-is-active} eg25-control-gps.service";
    active = true;
  };
  cell-modem = {
    type = "toggle";
    label = "󰺐";  # icons: 5g, 📡, 📱, ᯤ, ⚡, , 🌐, 📶, 🗼, 󰀂, , 󰺐, 󰩯
    # modem and NetworkManager auto-establishes a connection when powered.
    # though some things like `wg-home` VPN tunnel will remain routed over the old interface.
    command = "/run/wrappers/bin/sudo ${systemctl-toggle} eg25-control-powered";
    update-command = "${print-is-active} eg25-control-powered.service";
    active = true;
  };
  vpn = {
    type = "toggle";
    label = "vpn::hn";  # route all traffic through servo; useful to debug moby's networking
    command = "/run/wrappers/bin/sudo ${systemctl-toggle} wg-quick-vpn-servo";
    update-command = "${print-is-active} wg-quick-vpn-servo.service";
    active = true;
  };
  gnome-calls = {
    type = "toggle";
    label = "SIP";
    command = "${systemctl-toggle} --user gnome-calls";
    update-command = "${print-is-active} --user gnome-calls";
    active = true;
  };
  geary = {
    type = "toggle";
    label = "󰇮";  # email (Geary); other icons: ✉, [E], 📧, 󰇮
    command = "${systemctl-toggle} --user geary";
    update-command = "${print-is-active} --user geary";
    active = true;
  };
  abaddon = {
    type = "toggle";
    label = "󰊴";  # Discord chat client; icons: 󰊴, 🎮
    command = "${systemctl-toggle} --user abaddon";
    update-command = "${print-is-active} --user abaddon";
    active = true;
  };
  dissent = {
    type = "toggle";
    label = "󰊴";  # Discord chat client; icons: 󰊴, 🎮
    command = "${systemctl-toggle} --user dissent";
    update-command = "${print-is-active} --user dissent";
    active = true;
  };
  signal-desktop = {
    type = "toggle";
    label = "💬";  # Signal messenger; other icons: 󰍦
    command = "${systemctl-toggle} --user signal-desktop";
    update-command = "${print-is-active} --user signal-desktop";
    active = true;
  };
  dino = {
    type = "toggle";
    label = "XMPP";  # XMPP calls (jingle)
    command = "${systemctl-toggle} --user dino";
    update-command = "${print-is-active} --user dino";
    active = true;
  };
  fractal = {
    type = "toggle";
    label = "[m]";  # Matrix messages
    command = "${systemctl-toggle} --user fractal";
    update-command = "${print-is-active} --user fractal";
    active = true;
  };
}