{ config, pkgs, options, ... }:
{
  imports = [
    ./users.nix
    ./fonts.nix
  ];

  nixpkgs.overlays = [
    (import ./overlays.nix)
    (import ../dotfiles/config/taffybar/taffybar/overlay.nix)
    (import ../dotfiles/config/xmonad/overlay.nix)
    (import ../dotfiles/config/taffybar/overlay.nix)
  ];

  # Allow all the things
  nixpkgs.config.allowUnfree = true;
  nixpkgs.config.android_sdk.accept_license = true;
  nixpkgs.config.permittedInsecurePackages = [
    "openssl-1.0.2u"
  ];

  # Disabling these waits disables the stuck on boot up issue
  systemd.services.systemd-udev-settle.enable = false;
  systemd.services.NetworkManager-wait-online.enable = false;
  networking.firewall.enable = false;

  # Security
  programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
  services.pcscd.enable = true;

  # Networking
  environment.etc."ipsec.secrets".text = ''
    include ipsec.d/ipsec.nm-l2tp.secrets
  '';
  networking.networkmanager = {
    enable = true;
  };

  # Audio
  sound.enable = true;
  hardware.pulseaudio.enable = true;

  # Bluetooth
  hardware.bluetooth.enable = true;
  services.blueman.enable = true;

  # Keyboard
  console.keyMap = "us";

  # Update timezone automatically
  services.tzupdate.enable = true;

  environment.systemPackages = with pkgs; [

    # Applications
    alacritty
    emacs
    firefox
    google-chrome
    yubikey-manager

    # Haskell Desktop
    haskellPackages.imalison-xmonad
    haskellPackages.imalison-taffybar
    # notifications-tray-icon
    haskellPackages.status-notifier-item
    haskellPackages.xmonad
    haskellPackages.dbus-hslogger

    # Desktop
    autorandr
    libnotify
    lxqt.lxqt-powermanagement
    networkmanagerapplet
      notify-osd-customizable
      pasystray
      picom
      pinentry
      pommed_light
      rofi
      rofi-pass
      rofi-systemd
      udiskie
      volnoti

      # xorg
      wmctrl
      xclip
      xdotool
      xorg.xev
      xorg.xkbcomp
      xorg.xwininfo
      xsettingsd


      # Haskell
      cabal-install
      cabal2nix
      ghc
      # stack
      haskellPackages.hpack
      haskellPackages.hasktags
      haskellPackages.hoogle

      # Rust
      cargo
      rustc
      rustfmt

      # Tools
      automake
      bind
      binutils
      cmake
      dex
      direnv
      dpkg
      fd
      file
      gcc
      gdb
      gitAndTools.git-crypt
      gitAndTools.git-extras
      gitAndTools.hub
      gitFull
      glxinfo
      gnumake
      gnupg
      gparted
      htop
      inetutils
      inotify-tools
      ispell
      jq
      libtool
      lsof
      ncdu
      openvpn
      parallel
      pass
      patchelf
      pciutils
      prometheus
      pscircle
      pstree
      rcm
      scrot
      silver-searcher
      swig
      tmux
      tzupdate
      unzip
      usbutils
      wget
      yubikey-manager

      # Nix
      nix-prefetch-git
      cachix

      # Miscellaneous
      android-udev-rules
      librsvg

      ic-keysmith
      quill
  ];

  programs.zsh.enable = true;

  # TODO: Add a comment explaining what this does.
  services.gnome.at-spi2-core.enable = true;

    services.xserver = {
    exportConfiguration = true;
    enable = true;
    layout = "us";
    desktopManager = {
      plasma5.enable = true;
    };
    windowManager = {
      session = [
        {
          name = "xmonad";
          start = ''
            /usr/bin/env imalison-xmonad &
            waitPID=$!
          '';
        }
      ];
    };
    displayManager = {
      sddm = {
        enable = true;
      };
      sessionCommands = ''
        systemctl --user import-environment GDK_PIXBUF_MODULE_FILE DBUS_SESSION_BUS_ADDRESS PATH
      '';
    };
    };

    users.extraUsers = let
    extraGroups = [
      "audio"
      "adbusers"
      "disk"
      "docker"
      "networkmanager"
      "plugdev"
      "systemd-journal"
      "video"
      "wheel"
    ];
    userDefaults = {
      inherit extraGroups;
      group = "users";
      isNormalUser = true;
      createHome = true;
      shell = pkgs.zsh;
    };
  in {
    imalison = userDefaults // {
      name = "imalison";
      uid = 1000;
      home = "/home/imalison";
      shell = pkgs.zsh;
    };
    kat = userDefaults // {
      name = "kat";
      uid = 1001;
      home = "/home/kat";
      shell = pkgs.zsh;
    };
  };

  nix.trustedUsers = ["imalison" "kat"];
}