{
  config,
  pkgs,
  lib,
  homeDirectory,
  ...
}:
{
  imports = [
    ./gui.nix
    ./progs/niri.nix
  ];

  home.packages = with pkgs; [
    wdisplays
    intel-gpu-tools
    swaylock

    # manage bluetooth devices
    blueman

    xwayland-satellite-unstable
  ];

  # bluetooth manager
  services.blueman-applet.enable = true;

  # notification daemon
  services.dunst = {
    enable = true;
    package = pkgs.dunst;
  };

  programs.swaylock = {
    enable = true;
    settings = import ./progs/swaylock.nix;
  };

  # waybar for status bar
  programs.waybar = import ./progs/waybar.nix { inherit pkgs; };

  # rofi for application launcher
  programs.rofi = {
    enable = true;
    package = pkgs.rofi-wayland;
    extraConfig = {
      modi = "window,drun,ssh,combi";
      combi-modi = "window,drun,ssh";
    };
  };

  age.secrets.borg-laptop-password = {
    file = ./secrets/borg-laptop-password.age;
    path = "${homeDirectory}/.secrets/borg_bak_pass";
  };

  # backup utility
  programs.borgmatic = {
    enable = true;
    package = pkgs.borgmatic;
    backups =
      let
        borgPasswordFile = config.age.secrets.borg-laptop-password.path;
      in
      import ./progs/borg.nix { inherit homeDirectory borgPasswordFile; };
  };

  # https://community.frame.work/t/speakers-sound-quality/1078/83
  # Filter: ON HPQ  Fc 100.0   Hz   Gain  0.0   dB  Q 1.0
  # Filter: ON PK   Fc 150.0   Hz   Gain  4.02  dB  Q 3.0
  # Filter: ON PK   Fc 600.0   Hz   Gain -5.07  dB  Q 4.000000000000008
  # Filter: ON PK   Fc 1200.0  Hz   Gain -3.49  dB  Q 4.17
  # Filter: ON PK   Fc 2000.0  Hz   Gain  1.43  dB  Q 4.0
  # Filter: ON PK   Fc 5300.0  Hz   Gain  3.84  dB  Q 2.64
  # Filter: ON HSC  Fc 6000.0  Hz   Gain  4.02  dB  Q 4.36
  # Filter: ON PK   Fc 7500.0  Hz   Gain -2.09  dB  Q 3.0
  # Filter: ON PK   Fc 8000.0  Hz   Gain  2.01  dB  Q 4.36
  # Filter: ON PK   Fc 900.0   Hz   Gain -4.12  dB  Q 5.909999999999967
  home.file.".config/easyeffects/output/framework.json".text =
    let
      baseBand = {
        mode = "RLC (BT)";
        mute = false;
        solo = false;
        slope = "1x";
        type = "Bell";
      };

      bandList = [
        {
          frequency = 100.0;
          gain = 0.0;
          q = 1.0;
          slope = "x4";
          type = "Hi-pass";
        }
        {
          frequency = 150.0;
          gain = 4.02;
          q = 3.0;
        }
        {
          frequency = 600.0;
          gain = -5.07;
          q = 4.000000000000008;
        }
        {
          frequency = 1200.0;
          gain = -3.49;
          q = 4.17;
        }
        {
          frequency = 2000.0;
          gain = 1.43;
          q = 4.0;
        }
        {
          frequency = 5300.0;
          gain = 3.84;
          q = 2.64;
        }
        {
          frequency = 6000.0;
          gain = 4.02;
          q = 4.36;
          type = "Hi-shelf";
        }
        {
          frequency = 7500.0;
          gain = -2.09;
          q = 3.0;
        }
        {
          frequency = 8000.0;
          gain = 2.01;
          q = 4.36;
        }
        {
          frequency = 900.0;
          gain = -4.12;
          q = 5.909999999999967;
        }
      ];

      bands = builtins.listToAttrs (
        map (f: {
          name = "band${toString f.snd}";
          value = baseBand // f.fst;
        }) (lib.lists.zipLists bandList (lib.range 0 (lib.length (bandList))))
      );

    in
    builtins.toJSON {
      output = {
        blocklist = [ ];
        equalizer = {
          balance = 0.0;
          bypass = false;
          input-gain = 0.0;
          left = bands;
          right = bands;
          mode = "IIR";
          num-bands = 10;
          output-gain = -1.5;
          pitch-left = 0.0;
          pitch-right = 0.0;
          split-channels = false;
        };
        plugins_order = [
          "equalizer"
        ];
      };
    };

  services.easyeffects = {
    enable = true;
    package = pkgs.easyeffects;
    preset = "framework";
  };
}