core_conf.nix

{ config, pkgs, ... }:
let
  unstable = import <nixos-unstable> {};
in
{
  imports =
    [ # Include the results of the hardware scan.
      /etc/nixos/hardware-configuration.nix
      #./hardware-configuration.nix
    ];

  boot = {
    kernelPackages = pkgs.linuxPackages_latest;
    kernelModules = [ "kvm-intel" "it87" "i2c-dev" ];

    plymouth.enable = true;

    cleanTmpDir = true;
  };

  networking.hostName = "core"; # Define your hostname.

  #networking.useDHCP = false;
  #networking.interfaces.enp0s31f6.useDHCP = true;
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # Enable sound.
  sound.enable = true;

  hardware = {
    cpu.intel.updateMicrocode = true;
    enableRedistributableFirmware = true;

    opengl.extraPackages = with pkgs; [
      vaapiIntel
      vaapiVdpau
      libvdpau-va-gl
      intel-media-driver
    ];

    pulseaudio.enable = true;

    fancontrol = {
      enable = true;
      config = ''
        INTERVAL=5
        DEVPATH=hwmon0=devices/platform/it87.2608 hwmon4=devices/pci0000:00/0000:00:01.0/0000:01:00.0
        DEVNAME=hwmon0=it8728 hwmon2=coretemp hwmon4=amdgpu
        FCTEMPS=hwmon0/pwm3=hwmon2/temp1_input hwmon0/pwm2=hwmon4/temp1_input
        FCFANS=hwmon0/pwm3=hwmon0/fan1_input hwmon0/pwm2=hwmon0/fan2_input

        MINTEMP=hwmon0/pwm3=30 hwmon0/pwm2=40
        MAXTEMP=hwmon0/pwm3=70 hwmon0/pwm2=85
        MINSTART=hwmon0/pwm3=50 hwmon0/pwm2=60
        MINSTOP=hwmon0/pwm3=45 hwmon0/pwm2=50
      '';
    };
  };

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

  # tty keymap
  console.useXkbConfig = true;

  environment.variables = {
    # firefox scroll fix
    MOZ_USE_XINPUT2 = "1";
  };

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

  fonts = {
    fonts = with pkgs; [
      fira-code
      noto-fonts
      noto-fonts-emoji
      source-code-pro
      weather-icons
      jetbrains-mono
    ];
  
    fontconfig = {
      penultimate.enable = false;
      defaultFonts = {
        serif     = [ "Tinos" ];
        sansSerif = [ "Arimo" ];
        monospace = [ "Cousine" ];

        #serif     = [ "Noto Serif" ];
        #sansSerif = [ "Noto Sans" ];
        #monospace = [ "Noto Mono" ];
      };
    };
  };

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.vim.defaultEditor = true;

  # Silent fans
  #systemd.services.myfanpwm = {
  #  script = ''
  #    cd /sys/devices/platform/it87.2608/hwmon/hwmon0
  #    echo 1 > pwm2_enable
  #    echo 80 > pwm2
  #    echo 1 > pwm3_enable
  #    echo 100 > pwm3
  #  '';
  #  wantedBy = [ "default.target" ];
  #};

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

  # Open ports in the firewall.
  networking.firewall.allowedTCPPorts = [ ];
  networking.firewall.allowedUDPPorts = [ ];

  # For redshift
  location = {
    latitude = 45.55;
    longitude = 18.70;
  };

  services = {
    # fwupd.enable = true;

    physlock = {
      allowAnyUser = true;
      enable = true;
    };

    redshift = {
      enable = true;
      temperature.night = 3200;
    };

    xserver = {
      enable = true;
      layout = "us";
      xkbVariant = "colemak";
      xkbOptions = "ctrl:nocaps";

      libinput = {
        enable = true;
        naturalScrolling = true;
        accelProfile = "adaptive";
      };

      displayManager.lightdm = {
        enable = true;
        greeters.gtk.enable = true;
        greeters.gtk.cursorTheme.size = 32;
      };

      windowManager.bspwm = {
        enable = true;
      };

      displayManager.defaultSession = "none+bspwm";
    };
  };


  # Enable for completion
  programs.zsh = {
    enable = true;
    promptInit = "";

    interactiveShellInit = ''

      HISTFILESIZE=500000
      HISTSIZE=500000

      # oh-my-zsh
      export ZSH=${pkgs.oh-my-zsh}/share/oh-my-zsh/
      plugins=(git)
      ZSH_THEME="lambda"
      COMPLETION_WAITING_DOTS="true"
      source $ZSH/oh-my-zsh.sh

      # leave bg jobs
      setopt NO_HUP
      setopt HIST_IGNORE_ALL_DUPS
      setopt HIST_IGNORE_DUPS
      setopt INC_APPEND_HISTORY

    '';
  };

  # Define a user account.
  users.users.b = {
    isNormalUser = true;
    extraGroups = [ "wheel" "audio" ]; # Enable ‘sudo’ for the user.
    uid = 1000;
    shell = pkgs.zsh;
  };

  # TODO: use home manager
  # home-manager.users.b = import ./home.nix { inherit pkgs config; };

  # TODO: Write out all installed system packages
  # environment.etc."current-system-packages".text =
  #   let
  #     packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
  #     sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
  #     formatted = builtins.concatStringsSep "\n" sortedUnique;
  #   in formatted;

  # System packages
  environment.systemPackages = with pkgs; [

    # Essential
    wget
    htop
    tmux
    git

    # Deno
    #unstable.deno

    # Files
    nnn
    lf
    mc

    # Edit
    #vscodium
    #emacs
    vim

    # Term
    alacritty
    #termite
    xclip
    #xst

    # Desk
    (dunst.override {
     dunstify = true; })
    hsetroot
    polybar
    gparted
    zathura
    firefox
    i3lock
    picom
    rofi

    # Themes
    arc-icon-theme
    arc-theme
    #nordic

    # Audio
    pulsemixer
    pavucontrol
    audacious
    playerctl
    deadbeef
    pamixer

    # Video
    #mpv
    #vlc

    # Utils
    lm_sensors
    libnotify
    dnsutils
    nvme-cli
    ddcutil
    ripgrep
    arandr
    hdparm
    iperf
    whois
    dstat
    iotop
    unzip
    ncdu
    file
    fzf
    zip
    bat
    exa
    fd
    pv
    jq

    # FS
    sshfs-fuse
    cifs-utils

    # Rust
    #rustc
    #cargo

    # VM
    qemu

    # LaTeX
    #texlive.combined.scheme-small

  ];

  system.stateVersion = "20.03";
}