# NixOps configuration for dionach
{
  config,
  pkgs,
  ...
}: {
  imports = [
    ../hardware/purism_librem_15.nix # Include results of the hardware scan.
    ../profiles/android.nix # Provide an Android dev environment
    ../profiles/cron-craige.nix # Provide Craige's cron jobs
    ../profiles/daedalus.nix # The open source cryptocurrency wallet for ADA
    ../profiles/desktop-feeds.nix # Tools for news feeds and podcasts
    ../profiles/desktopCraige.nix # Craige's desktop tools and apps
    ../profiles/haskell-dev.nix # Haskell dev environment
    ../profiles/host_common.nix # Common host configuration options
    ../profiles/iog.nix # IOHK environment
    ../profiles/keyboard.nix
    ../profiles/neomutt.nix # Neomutt email
    ../profiles/nix-community.nix # Nix community aarch64 tooling
    ../profiles/nix-mio-ops.nix # mio-ops Nix tooling
    ../profiles/nixpkgs-dev.nix # Nix pkgs dev tools
    ../profiles/openssh.nix # Enable and configure openssh
    ../profiles/powerManagement.nix # Power management for laptops
    ../profiles/qemu.nix # Qemu virtualisation
    ../profiles/typingTutor.nix # Typing tutorials
    ../profiles/weechat.nix # Weechat environment
    ../profiles/xmonad.nix # Xmonad desktop environment
    ../profiles/yubikey.nix # Yubikey tooling
    ../secrets/craige.nix # Ssshhhhh!
    ../secrets/root.nix # Ssshhhhh!
    ../secrets/wireless.nix # Hey look! A squirrel!
  ];

  deployment.targetHost = "localhost";

  nixpkgs.config = {
    allowUnfree = true;
    permittedInsecurePackages = ["openssl-1.0.2u" "minecraft"];
  };

  # Use the GRUB 2 boot loader.
  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "/dev/nvme0n1"; # or "nodev" for efi only
  boot.kernel.sysctl."net.ipv4.ip_forward" = "1";
  boot.extraModprobeConfig = "options kvm_intel nested=1";

  networking = {
    hostName = "dionach"; # Define your hostname.
  };

  systemd.network.networks.enp0s20f0u4u4i5.ipv6SendRAConfig = {
    EmitDNS = true;
    Managed = true;
    OtherInformation = true;
  };

  fonts.fonts = with pkgs; [
    dejavu_fonts # A typeface family based on the Bitstream Vera fonts
    fira-code # Monospace font with programming ligatures
    #monoid         # Customisable coding font with alternates, ligatures and contextual positioning
    nerdfonts # Iconic font aggregator, collection, & patcher
    xkcd-font # Font based handwriting in xkcd comics
  ];

  # List packages installed in system profile. To search, run:
  environment.systemPackages = with pkgs; [
    bash
    binutils
    bluez-tools
    brave # Privacy-oriented browser
    bridge-utils # for brctl
    chromium
    clang
    ddrescue
    docutils # Python Documentation Utilities
    electrum # Bitcoin wallet
    element-desktop # A feature-rich client for Matrix.org
    evince
    exiftool # A tool to read, write and edit EXIF meta information
    ffmpeg-full # record, convert and stream audio and video
    file
    firefox
    gcc
    gimp
    gnome2.gvfs
    gnumake
    gnused
    google-authenticator # 2FA
    google-chrome # A freeware web browser developed by Google
    googleearth # A world sphere viewer
    graphviz # Graph visualization tools
    gvfs
    imagemagick
    inetutils # Common network utilies
    inotify-tools
    iptables # iptables
    libmtp
    libgphoto2
    libreoffice-fresh # Libreoffice - fresh version
    lxmenu-data
    minecraft
    mkpasswd
    mp3info # MP3 tag editor / query tool
    mpd
    mtpfs
    multimc
    ncmpcpp
    nextcloud-client
    nvme-cli # NVM-Express user space tooling for Linux
    obs-studio # Free and open source software for video recording and live streaming
    openjdk8
    openssl # A cryptographic library that implements the SSL and TLS protocols
    p7zip
    pandoc
    pavucontrol
    pcmanfm
    pstree # Show the set of running processes as a tree
    pwgen
    python3Full
    python39Packages.restview # ReStructuredText viewer
    python39Packages.sphinx # A tool that makes it easy to create intelligent and beautifulul documentation for Python projects
    radiotray-ng # Internet radio player
    rdiff-backup # External backups
    shared_mime_info
    shotwell
    signal-desktop
    smartmontools # Tools for monitoring the health of hard drives
    sshfs
    taskwarrior # Highly flexible command-line tool to manage TODO lists
    tcpdump # tcpdump
    tectonic
    tdesktop # Telegram Desktop messaging app
    termonad-with-packages
    texlive.combined.scheme-full
    tmate # Instant Terminal Sharing
    tpm-tools
    #tor-browser-bundle-bin
    tree # Command to produce a depth indented directory listing
    udevil
    unrar
    unzip
    vcsh
    vgo2nix # Required for packaging Golang applications
    wget
    wesnoth # Turn-based strategy game
    xorg.xev
    zip # zip all the zip's
    zlib
    zlib.dev
  ];

  environment.variables = {
    GIO_EXTRA_MODULES = ["${pkgs.gvfs}/lib/gio/modules"];
  };

  services.acpid.enable = true;
  services.blueman.enable = true;
  services.kbfs.enable = true;

  services.xserver.desktopManager.enlightenment.enable = true;

  networking.firewall = {
    enable = true;
    checkReversePath = false; # Needed for libvirtd
    allowedTCPPorts = [15000];
  };

  # Virtualisation configuration:
  virtualisation = {
    libvirtd = {
      enable = true; # Enable libvirtd
      qemu = {
        #package = pkgs.qemu_kvm;   # Enable guest only for the same arch
        package = pkgs.qemu; # Enable full emulation
        verbatimConfig = ''
          user = "craige"
          group = "libvirtd"
        '';
      };
      onShutdown = "shutdown"; # Set gust VMs to shutdown on host shutdown
      extraConfig = ''
        disk_bus = "virtio"
      '';
    };
  };

  # Enable sound.
  sound.enable = true;
  hardware = {
    pulseaudio = {
      enable = true;
      systemWide = false;
      extraModules = [pkgs.pulseaudio-modules-bt];
      package = pkgs.pulseaudioFull;
    };
    bluetooth = {
      enable = true;
      hsphfpd.enable = true;
      settings = {Policy = {AutoEnable = "true";};};
    };
    opengl.enable = true;
  };

  # The below pair are set to overcome flakey connections / busy servers that
  # fail to respond to ssh keep alive requests, sometimes triggering:
  # client_loop: send disconnect: Broken pipe
  programs.ssh.extraConfig = ''
    ServerAliveInterval 20
    TCPKeepAlive no
  '';

  users.groups = {lp.members = ["messagebus"];};

  # 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 = "20.03"; # Did you read the comment?
}