{ config, lib, pkgs, ... }:
{
  imports = [ ./overlays/packages.nix ./configuration-cross.nix ];
  nixpkgs.config.allowUnfree = true;

  nix.settings.extra-experimental-features = "nix-command flakes";
  nix.settings.trusted-users = [ "audrey" ];
  nix.settings.max-jobs = 1;
  nix.settings.cores = 0;
  nix.settings.secret-key-files = [ "/var/lib/nix/binary-cache-key" ];

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  # Configure keymap in X11
  services.xserver.xkb.layout = "us";
  services.xserver.xkb.options = "caps:escape";

  users.defaultUserShell = pkgs.zsh;
  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.audrey = {
    uid = 1000;
    description = "Audrey Dutcher";
    isNormalUser = true;
    extraGroups = [ "wheel" "docker" ];
    openssh.authorizedKeys.keyFiles = [ ./dotfiles/authorized_keys ];
  };

  environment.systemPackages = with pkgs; [
    wget
    ripgrep
    fd
    curl
    btop
    file
    patchelf
    gdb

    (python3.withPackages (p: with p; [
      virtualenvwrapper
      pylint
      pytest
      ipdb
      ipython
    ]))
  ];

  programs = {
    zsh = {
      enable = true;
      enableCompletion = true;
      syntaxHighlighting.enable = true;
      vteIntegration = true;
      enableLsColors = true;
      histSize = 10000;
      promptInit = ''
        . ${pkgs.python3Packages.virtualenvwrapper}/bin/virtualenvwrapper.sh
      '' + builtins.readFile ./dotfiles/zsh-prompt.sh;
      shellInit = builtins.readFile ./dotfiles/zsh-init.sh;
      shellAliases = {
        grep = "grep --color=auto";
        egrep = "egrep --color=auto";
        objdump = "objdump -M intel";
        gits = "git status";
        pag = "ps aux | grep -v grep | grep -i";
        hd = "hexdump -C";
        man = "MAN_POSIXLY_CORRECT=1 man";
        nose = "pytest -v --capture=no --pdbcls=IPython.terminal.debugger:TerminalPdb";
        mkvirtualenv = "mkvirtualenv -r /etc/venv-default.txt";
      };
    };
    tmux = {
      enable = true;
      extraConfig = builtins.readFile ./dotfiles/tmux.conf;
    };
    direnv.enable = true;
    htop.enable = true;
    git = {
      enable = true;
      lfs.enable = true;
      config = {
        user.email = "audrey@rhelmot.io";
        user.name = "Audrey Dutcher";
        init.defaultBranch = "main";
        blame.markUnblamableLines = true;
        credential.helper = "store";
        url."ssh://git@".insteadOf = "git://";
      };
    };
  };

  environment.etc."gdb/gdbinit".source = ./dotfiles/gdb-init.gdb;
  environment.etc."venv-default.txt".source = ./dotfiles/venv-default.txt;

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;
}