# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

{
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    # Cachix caches
    ./cachix.nix
    # Overlays
    <home-manager/nixos>
  ];

  # Bootloader
  boot.loader.systemd-boot.enable = true;
  boot.loader.systemd-boot.configurationLimit = 64;
  boot.loader.efi.canTouchEfiVariables = true;

  boot.earlyVconsoleSetup = true;

  system.autoUpgrade.enable = true;

  networking = {
    hostName = "nixpad"; # Define your hostname.
    networkmanager = {
      enable = true;
      wifi.scanRandMacAddress = false;
    };

    # The global useDHCP flag is deprecated, therefore explicitly set to false here.
    # Per-interface useDHCP will be mandatory in the future, so this generated config
    # replicates the default behaviour.
    useDHCP = false;
    interfaces = {
      enp0s25.useDHCP = true;
      wlp3s0.useDHCP = true;
      wwp0s20u4c2i12.useDHCP = true;
    };
  };
  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  fonts = {
    enableDefaultFonts = true;
    fonts = with pkgs; [
      source-code-pro
      fira-code
      fira-code-symbols
      font-awesome_5
      aileron
    ];
    fontconfig = {
      enable = true;
      defaultFonts = { monospace = [ "Fira Code" ]; };
    };
  };

  # Select internationalisation properties.
  i18n = {
    consoleKeyMap = "us";
    defaultLocale = "en_US.UTF-8";
  };

  # Set your time zone.
  time.timeZone = "America/New_York";

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    # System utilities
    curl
    fish
    git
    htop
    tmux
    tree
    vim
    wget
  ];

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };

  programs = {
    fish.enable = true;
    light.enable = true;
    nm-applet.enable = true;
    seahorse.enable = true;
    ssh = { startAgent = true; };
  };

  # List services that you want to enable:
  services = {
    fprintd.enable = true;
    openssh.enable = true;
    clipmenu.enable = true;
    geoclue2.enable = true;
    printing.enable = true;
    gnome3.gnome-keyring.enable = true;
    xserver = {
      enable = true;
      layout = "us";

      config = ''
        Section "Device"
          Identifier "Intel Graphics"
          Driver "intel"

          Option "TearFree" "true"
        EndSection
      '';

      # Enable touchpad support.
      libinput = {
        enable = true;
        naturalScrolling = true;
      };

      desktopManager = {
        default = "home-manager";
        session = [{
          name = "home-manager";
          start = ''
            ${pkgs.runtimeShell} $HOME/.hm-xsession &
            waitPID=$!
          '';
        }];
      };
      displayManager = {
        lightdm = {
          enable = true;
          autoLogin = {
            enable = true;
            user = "mat";
          };
        };
      };
    };
  };

  # Enable sound.
  sound.enable = true;

  # Hardware switches
  hardware = {
    opengl = {
      driSupport32Bit = true;
      extraPackages32 = [ pkgs.pkgsi686Linux.libva ];
    };
    pulseaudio = {
      enable = true;
      support32Bit = true;
    };
  };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.mat = {
    isNormalUser = true;
    shell = pkgs.fish;
    extraGroups = [
      "wheel" # Enable ‘sudo’ for the user.
      "networkmanager"
      "audio"
      "video"
    ];
  };
  home-manager.users.mat = import ./home.nix;

  # Don't ask for my password *quite* as often.
  security.sudo.extraConfig = "Defaults timestamp_timeout=60";

  nix = {
    binaryCaches = [ "https://hydra.iohk.io" ];
    binaryCachePublicKeys =
      [ "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" ];
  };

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "19.09"; # Did you read the comment?

}