# 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
      ./lenovo-configuration.nix
    ];

  # Use the systemd-boot EFI boot loader.

  fileSystems.boot.device = "/dev/sda1";
  fileSystems.boot.mountPoint = "/boot";

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.efi.efiSysMountPoint = "/boot/efi";
  boot.loader.grub = {
    enable = true;
    device = "nodev";
    version =   2;
    efiSupport = true;
    enableCryptodisk = true;
    useOSProber = true;
    splashImage = "/home/anton/pics/nix-dark-small-red.png";
  };
  boot.initrd.luks.devices = [
    {
      name = "root";
      device = "/dev/disk/by-uuid/02799bea-98ce-4a38-8772-886303170455";
      preLVM = true;
      allowDiscards = true;
    }
  ];
  boot.kernelParams = [ "noapic" ];
  boot.tmpOnTmpfs = true;

  networking.hostName = "hostname"; # Define your hostname.
  networking.networkmanager = {
    wifi.macAddress = "random";
    wifi.scanRandMacAddress = true;

   # ethernet.macAddress = "random";
    enable = true;
  };
  networking.nameservers = [
      "194.150.168.168"
      "212.82.226.212"
      "1.1.1.1"
  ];
  

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

  # 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
  # networking.useDHCP = false;
  networking.interfaces.enp2s0.useDHCP = true;
  networking.interfaces.wlp4s0.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";

  # Select internationalisation properties.
  i18n = {
    consoleFont = "Lat2-Terminus16";
    consoleKeyMap = "de";
    defaultLocale = "en_US.UTF-8";
  };

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

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  nixpkgs.config.allowUnfree = true;
  
  environment.systemPackages = with pkgs; [
    wget vim neovim manpages termite pass coreutils
    unzip gzip htop nload firefox ghc vlc gcc python3
    fish git file ripgrep os-prober vscode thunderbird
    mate.atril xorg.xbacklight gnupg lxqt.pavucontrol-qt
    inkscape xorg.xrandr redshift tree flameshot
    # file system utils
    exfat-utils fuse_exfat ntfs3g 
    jmtpfs # android
    (texlive.combine { 
      inherit(texlive) scheme-full; 
    })
  ];
  environment.variables = {
    EDITOR = "nvim";
    TERMINAL = [ "termite" ];
  };

  # 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; };

  # List services that you want to enable:

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

  services = {
    #redshift = {
    #  enable = true;
    #  temperature.night = 2300;
    #  extraOptions = [ "-l 50.11552:8.68417" ];
    #};

    xserver = {
      enable = true;
      layout = "de";
      xkbVariant = "nodeadkeys";

      windowManager.i3 = {
        enable = true;
        package = pkgs.i3-gaps;
      };

      windowManager.default = "i3";
      displayManager.lightdm.enable = true;
      libinput.enable = true;
      desktopManager.xterm.enable = false;
    };

    compton.enable = true;

    timesyncd.servers = [ "0.nixos.pool.ntp.org" ];
  };
 
  programs = {
    fish.enable = true;
    bash.enableCompletion = true;
  };

  location = { 
    latitude = 50.11552;
    longitude = 8.68417;
  };

  # bat state service
  # started after xserver is initiated
  systemd.user.services.batstate = {    
    description = "Handles redshift, but flashes the screen red, if the batery level jump below a specific level";
    wantedBy = [ "graphical-session.target" ];
    enable = true;
    environment = { BAT_CRITICAL_LEVEL = "8"; BAT_ALARM_TEMP = "1800"; DISPLAY = ":0"; };
    script = "/home/anton/.bin/bat-state";
    path = with pkgs; [ fish redshift xorg.xrandr ];
  };

  systemd.user.services.flameshot = {
    description = "Flameshot screenshot service";
    wantedBy = [ "graphical-session.target" ];
    enable = true;
    script = "flameshot";
    path = with pkgs; [ flameshot ];
  };


  # Docker
  virtualisation.docker.enable = true;

  # Open ports in the firewall.
  networking.firewall.allowedTCPPortRanges = [ {from= 4000; to= 5000;} ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  networking.firewall.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.anton = {
    isNormalUser = true;
    extraGroups = [ "wheel" "networkmanager" "power" "audio" "video" "plugdev" ];
    uid = 1000;
    createHome = true;
    home = "/home/anton";
    shell = pkgs.fish;
  };

  # 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?
}