nix/void.nix

# 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 = [
    ./hardware-configuration-void.nix
    ./common.nix
  ];

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

  services.samba = {
    enable = true;
    openFirewall = true;
    securityType = "user";
    extraConfig = ''
      workgroup = WORKGROUP
      server string = void
      netbios name = void
      security = user
      hosts allow = 0.0.0.0/0
      guest account = nobody
      map to guest = bad user
      log level = 4
      #smb encrypt = mandatory
    '';
    shares."Music" = {
      path = "/pile/Music";
      browsable = "yes";
      "read only" = "yes";
      "guest ok" = "no";
      "read list" = "@music";
    };
  };

  users.users.music = {
    group = "music";
    isNormalUser = true;
  };

  # enqble i2c-dev kernel module for control of backlight in external monitor
  # https://discourse.nixos.org/t/how-to-enable-ddc-brightness-control-i2c-permissions/20800/3
  boot.extraModulePackages = [
    config.boot.kernelPackages.ddcci-driver
  ];
  boot.kernelModules = ["i2c-dev" "ddcci_backlight"];
  hardware.i2c.enable = true;

  # package for controlling brightness on external monitor
  environment.systemPackages = [
    pkgs.ddcutil
  ];

  # mount external drive
  fileSystems."/external".label = "external";

  # bluetooth
  hardware.bluetooth.enable = true;
  hardware.bluetooth.powerOnBoot = true;
  # gui for configuration
  services.blueman.enable = true;
  hardware.bluetooth.settings = {
    General = {
      # support for modern headsetes
      Enable = "Source,Sink,Media,Socket";
      # show battery level
      Experimental = true;
    };
  };

  # bluetooth mpris play-pause media control
  systemd.user.services.mpris-proxy = {
    description = "Mpris proxy";
    after = [ "network.target" "sound.target" ];
    wantedBy = [ "default.target" ];
    serviceConfig.ExecStart = "${pkgs.bluez}/bin/mpris-proxy";
  };

  # backup
  services.borgbackup.jobs."external" = {
    paths = [
      "/home"
      "/var"
      "/pile"
    ];
    exclude = [
      "/home/*/.local/share/Steam"
      "**/*cache"
      "**/*Cache"
      "**/*trash"
      "**/*Trash"
      "/home/*/.mozilla/firefox"
      "/home/*/GOG Games"
      "**/target"
      "**/result"
    ];
    repo = "/external/voidbackup";
    encryption = {
      mode = "repokey-blake2";
      passCommand = "cat /root/borgbackup/passphrase";
    };
    compression = "auto,lzma";
    startAt = "daily";
    persistentTimer = true;
  };
  systemd.services."borgbackup-job-external" = {
    unitConfig = {
      RequiresMountsFor = "/external";
      Requires = "external.mount";
    };
  };
}