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

{
  nix.binaryCachePublicKeys = [ "hydra.nixos.org-1:CNHJZBh9K4tP3EKF6FkkgeVYsS3ohTl+oS0Qa8bezVs=" ];
  nix.binaryCaches = [ 
    "https://cache.nixos.org"
    "http://hydra.nixos.org"
  ];
  nix.trustedBinaryCaches = [ 
    "https://cache.nixos.org"
    "http://hydra.nixos.org"
  ];

  # The NixOS release to be compatible with for stateful data such as databases.
  # system.stateVersion = "unstable";
  networking.hostName = "steveej-laptop"; # Define your hostname.

  networking.firewall.enable = false;
  networking.networkmanager = {
    enable = true;
    unmanaged = [
      "interface-name:veth*"
      "interface-name:virbr*"
      "interface-name:br*"
      "interface-name:*vbox*"
      "interface-name:*cni*"
    ];
  };

  programs.bash = {
    enableCompletion = true;
    promptInit = ''
          if test "$TERM" != "dumb"; then
            # Provide a nice prompt.
            BLUE="\[\033[0;34m\]"
            RED="\[\033[1;31m\]"
            GREEN="\[\033[1;32m\]"
            NO_COLOR="\[\033[0m\]"

            PROMPT_COLOR=$RED
            let $UID && PROMPT_COLOR=$GREEN
            PS1=" $BLUE\W/ $PROMPT_COLOR\\$ $NO_COLOR"
            if test "$TERM" = "xterm"; then
              PS1="\[\033]2;\h:\u:\w\007\]$PS1"
            fi
          fi
        '';
  };

   # Package configuration
   environment.systemPackages = with pkgs; [
     xorg.xmodmap
   ];

  environment.sessionVariables = {
    EDITOR = "vim";
    NIXPKGS_ALLOW_UNFREE = "1";

    # Don't create .pyc files.
    PYTHONDONTWRITEBYTECODE = "1";
  };

  environment.etc."lvm/lvm.conf".text = ''
    devices {
      issue_discards = 1
    }
  '';

  # Fonts, I18N, Date ...
  fonts = {
    enableCoreFonts = true;
  };

  i18n = {
    consoleFont = "lat9w-16";
    defaultLocale = "en_US.UTF-8";
  };
  time.timeZone = "Europe/Berlin";

  # Services
  services.gpm.enable = true;
  services.openssh.enable = true;
  services.openssh.permitRootLogin = "yes";

  services.teamviewer.enable = true;

  services.printing = {
    enable = true;
    drivers = [ pkgs.hplip ];
  };

  services.xserver = {
    synaptics.enable = true;
    synaptics.palmDetect = true;
    synaptics.horizEdgeScroll = true;
    synaptics.horizontalScroll = true;
    synaptics.twoFingerScroll = true;
    synaptics.vertEdgeScroll = true;

    videoDrivers = [ "qxl" "intel" ];
    enable = true;
    layout = "us";

    windowManager.qtile.enable = true;
    windowManager.default = "qtile";
    desktopManager = {
      xterm.enable = false;
      xfce.enable = true;
    };

    displayManager = {
             slim = {
                enable = true;
                theme = /home/steveej/src/github/steveej/nixos-slim-theme;
#                theme = pkgs.fetchurl {
#                  url = "mirror://sourceforge/project/slim.berlios/slim-rear-window.tar.gz";
#                  sha256 = "04cmwdgcvxd3srhwcnqmmfdj0avkql7570y14vv98zmnrh33f4hb";
#                };
#                autoLogin = {
#                  enable = true;
#                  user = "steveej";
#                  delay = 0;
#               };
            };
            sessionCommands = ''
              xscreensaver -no-splash &
              ${pkgs.networkmanagerapplet}/bin/nm-applet &
              $(sleep 2; xmodmap /home/steveej/.Xmodmap) &
            '';
    };
  };

  services.udev.extraRules = ''
    # OnePlusOne
    ATTR{idVendor}=="05c6", ATTR{idProduct}=="6764", SYMLINK+="libmtp-%k", MODE="660", GROUP="audio", ENV{ID_MTP_DEVICE}="1", ENV{ID_MEDIA_PLAYER}="1", TAG+="uaccess"
    ATTR{idVendor}=="05c6", ATTR{idProduct}=="6765", SYMLINK+="libmtp-%k", MODE="660", GROUP="audio", ENV{ID_MTP_DEVICE}="1", ENV{ID_MEDIA_PLAYER}="1", TAG+="uaccess"
  '';

  hardware = {
    bluetooth.enable = true;
    pulseaudio = {
      enable = true;
      package = pkgs.pulseaudioFull;
      support32Bit = true;
    };
  };

  virtualisation.libvirtd.enable = true;
  virtualisation.virtualbox.host.enable = true;
  virtualisation.virtualbox.host.addNetworkInterface = true;
}