# 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, lib, inputs, ... }:

let
  unstable = inputs.nixos-unstable;
  localfork = import /home/spiollinux/src/nixpkgs { };

in
{
  imports =
    [
      # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ./packages.nix
    ];

  services.davfs2.enable = true;

  # try newer kernels
  boot.kernelPackages = pkgs.linuxPackages_latest;

  # use old kernel because 5.4 and 5.5 might be buggy with intel graphics
  #boot.kernelPackages = pkgs.linuxPackages_4_19;

  services.fstrim.enable = true;
  services.btrfs.autoScrub =
    {
      enable = true;
      fileSystems = [ "/" "/home" ];
    };

  # exfat support
  #boot.extraModulePackages = [ config.boot.kernelPackages.exfat-nofuse ];

  zramSwap =
    {
      enable = true;
      memoryPercent = 20;
    };
  boot.kernel.sysctl."vm.swappiness" = 9;

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # make the boot look good
  boot.plymouth.enable = true;

  networking.hostName = "thinknix";
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # configure console
  console = {
    font = "Lat2-Terminus16";
    keyMap = "de";
  };

  # Select internationalisation properties.
  i18n = {
    defaultLocale = "de_DE.UTF-8";
  };

  # Set your time zone.
  time.timeZone = "Europe/Berlin";

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  programs.bash.enableCompletion = true;
  programs.wireshark =
    {
      enable = true;
      package = pkgs.wireshark;
    };

  programs.adb.enable = true;

  # programs.mtr.enable = true;
  # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };

  # List services that you want to enable:

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

  #programs.ssh.startAgent = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  networking.firewall.allowedTCPPortRanges = [{ from = 1714; to = 1764; }];
  networking.firewall.allowedUDPPortRanges = [{ from = 1714; to = 1764; }]; # for KDE connect
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  networking.networkmanager.enable = true;

  services.avahi.enable = true;

  # Enable CUPS to print documents.
  services.printing =
    {
      enable = true;
      drivers = [ pkgs.hplip ];
    };
  # scanners
  hardware.sane =
    {
      enable = true;
      extraBackends = [ pkgs.hplip ];
    };

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio = {
    enable = true;
    # decouple pulseaudio application and sink volumes
    daemon.config = { flat-volumes = "no"; };
    # C3D2 hq music
    zeroconf.discovery.enable = true;
    zeroconf.publish.enable = true;
  };


  # Bluetooth
  hardware.bluetooth = {
    enable = true;
    settings.General.Disable = "Headset"; # disable headset profile
  };
  hardware.pulseaudio = {
    package = pkgs.pulseaudioFull;
  };

  # Nitrokey support
  services.udev.packages = [ pkgs.nitrokey-udev-rules ];

  # Enable the X11 windowing system.
  services.xserver.enable = true;
  services.xserver.layout = "de";
  services.xserver.xkbOptions = "eurosign:e";

  # Enable touchpad support.
  services.xserver.libinput.enable = true;

  # while libinput also supports graphic tablets, enable more-specific wacom driver
  services.xserver.wacom.enable = true;

  # Enable the KDE Desktop Environment.
  services.xserver.displayManager.sddm.enable = true;
  services.xserver.desktopManager.plasma5.enable = true;

  # dconf required for several Gnome applications like Cawbird
  programs.dconf.enable = true;

  # Flatpak support
  services.flatpak.enable = true;
  xdg.portal.extraPortals = [ pkgs.xdg-desktop-portal-kde ];

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.spiollinux = {
    isNormalUser = true;
    uid = 1000;
    extraGroups = [ "vboxusers" "wheel" "networkmanager" "scanner" "lp" "wireshark" "dialout" "cdrom" "input" "adbusers" ];
    shell = pkgs.zsh;
  };

  # enable virtualbox support
  virtualisation.virtualbox.host = {
    enable = true;
    #enableExtensionPack = true;
  };
  # allow PUEL license
  nixpkgs.config.whitelistedLicenses = [ pkgs.lib.licenses.virtualbox-puel ];
  users.extraGroups.vboxusers.members = [ "spiollinux" ];

  programs.zsh =
    {
      enable = true;
      autosuggestions.enable = true;
    };

  # profile sync daemon
  services.psd.enable = true;

  services.smartd =
    {
      enable = true;
      devices = [{ device = "/dev/sda"; } { device = "/dev/sdb"; }];
    };

  # block certain sites to prevent procrastination
  systemd.services.procrastinationstop = {
    serviceConfig.Type = "oneshot";
    wantedBy = [ ];
    script = ''
      ln -sf ${pkgs.writeText "blockedHosts" ''
        127.0.0.1 localhost
        ::1 localhost
        127.0.0.2 ${config.networking.hostName}
        ::1 ${config.networking.hostName}

        ::1   twitter.com
        127.0.0.1   twitter.com
        ::1   api.twitter.com
        127.0.0.1   api.twitter.com
        ::1   toot.matereal.eu
        127.0.0.1   toot.matereal.eu
        ::1   tagesschau.de
        127.0.0.1   tagesschau.de
        ::1   dnn.de
        127.0.0.1   www.dnn.de
        ::1   www.dnn.de
        127.0.0.1   dnn.de
        ''} /etc/hosts
    '';
  };

  systemd.services.procrastinationstart = {
    serviceConfig.Type = "oneshot";
    wantedBy = [ ];
    script = ''
      ln -sf /etc/static/hosts /etc/hosts
    '';
  };

  fonts = {
    fontDir.enable = true;
    fontconfig.enable = true;
    fontconfig.includeUserConf = true;
  };

  # Enable all sysrq functions (useful to recover from some issues):
  boot.kernel.sysctl."kernel.sysrq" = 1; # NixOS default: 16 (only the sync command)

  nix = {
    # expose all flake inputs through nix Path and registry
    registry = (lib.mapAttrs (_: value: { flake = value; }) inputs) // {
      nixpkgs.flake = inputs.nixpkgs;
    };
    nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;
  # keep build-time deps around for offline-rebuilding
    settings = {
      # keep around all inputs necessary for offline-rebuilding the system
      keep-outputs = true;
      keep-derivations = true;
      trusted-users = [ "spiollinux" ];
      experimental-features = [ "nix-command" "flakes" ];
      # use all cores for building
      cores = 0;
    };
  };
  # override tmpdir for daemon
  #systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";

  # remote builders
  #nix.buildMachines = [
  #  {
  #    hostName = "build01.nix-community.org";
  #    sshUser = "ssh-ng://schmittlauch";
  #    sshKey = "/root/.ssh/remote_builder_key";
  #    system = "x86_64-linux";
  #    maxJobs = 64;
  #    supportedFeatures = [
  #      "big-parallel"
  #      "kvm"
  #      "nixos-test"
  #    ];
  #  }
  #];
  programs.ssh.knownHosts."build01.nix-community.org".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIElIQ54qAy7Dh63rBudYKdbzJHrrbrrMXLYl7Pkmk88H";

  # package debugging
  # programs.sysdig.enable = true;

  # declarative containers
  containers = {
    #  hash2PubSim = import ./Hash2PubTestbed.nix
    #    {
    #      inherit pkgs config;
    #      experimentUid = config.users.users.spiollinux.uid;
    #      projectDir = "/home/spiollinux/Seafile/Studium/Semester11/INF-PM-FP-ANW";
    #    };
  };

  # stop NetworkManager from managing virtual interfaces
  networking.networkmanager.unmanaged = [ "interface-name:ve-*" ];

  # 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 = "18.09"; # Did you read the comment?

}