{ config, pkgs, lib, ... }:

{
  environment.systemPackages = with pkgs; [
    pipewire
    wireplumber
    alsa-utils
    pulseaudio
    pamixer
    pavucontrol
  ];

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
    wireplumber.enable = true;
  };

  security.rtkit.enable = true;

  # Helps on many laptops (Intel SOF etc.)
  hardware.enableRedistributableFirmware = true;

  # Prefer analog over HDMI/DP in a machine-agnostic way
  services.pipewire.wireplumber.extraConfig."51-audio-priorities" = {
    "monitor.alsa.rules" = [
      # De-prioritize HDMI / DisplayPort sinks
      {
        matches = [
          { "node.name" = "~alsa_output\\..*HDMI.*"; }
          { "node.name" = "~alsa_output\\..*DisplayPort.*"; }
        ];
        actions.update-props = {
          "priority.session" = 100;
          "priority.driver" = 100;
        };
      }

      # Prefer analog sinks (speakers/headphones)
      {
        matches = [
          { "node.name" = "~alsa_output\\..*analog.*"; }
          { "node.name" = "~alsa_output\\..*Headphones.*"; }
          { "node.name" = "~alsa_output\\..*Speaker.*"; }
        ];
        actions.update-props = {
          "priority.session" = 2000;
          "priority.driver" = 2000;
        };
      }
    ];
  };

  # Optional: clear "sticky" user-selected defaults so priority rules win
  systemd.user.services.wireplumber-clear-default-nodes = {
    description = "Clear WirePlumber saved default nodes (avoid HDMI becoming sticky)";

    after = [ "wireplumber.service" ];
    partOf = [ "wireplumber.service" ];
    wantedBy = [ "default.target" ];

    serviceConfig = {
      Type = "oneshot";
      ExecStart = "${pkgs.coreutils}/bin/rm -f %h/.local/state/wireplumber/default-nodes";
    };
  };
}