nixfiles/hosts/raspberry/services/music-friend/process-media-controls.nix

{pkgs, ...}: let
  process-media-controls =
    pkgs.writeText "process-media-controls"
    (builtins.readFile ./process-media-controls.py);
in {
  systemd.services.process-media-controls = {
    requires = ["network.target" "pulseaudio.service"];
    after = ["network.target" "pulseaudio.service"];
    wantedBy = ["multi-user.target"];
    path = [pkgs.pulseaudio];
    script = let
      python =
        pkgs.python39.withPackages
        (ps: with ps; [pkgs.python39Packages.evdev]);
    in ''
      export PULSE_SERVER=127.0.0.1
      (${python.interpreter} ${process-media-controls}) || true
    '';
    serviceConfig = {
      Restart = "always";
      StartLimitAction = "none";
    };
  };
}