{ pkgs, ... }:
{

  imports =
    [
      ./hardware-configuration.nix
      ./modules/backup
      ./modules/graphics
      ./modules/greetd
      ./modules/networks
      ./modules/security
      ./modules/sound
      ./modules/virtualisation
    ];
  nix.settings.system-features = [ "gccarch-tigerlake" ];
  systemd.additionalUpstreamSystemUnits = [
    "soft-reboot.target"
    "systemd-soft-reboot.service"
  ];
  # Use the systemd-boot EFI boot loader.
  boot = {
    kernelModules = [ "v4l2loopback" ];
    kernelPackages = pkgs.linuxPackages_latest;
    tmp.useTmpfs = true;
  };

  environment.persistence."/nix/persist/system" = {
    directories = [
      "/etc/nixos" # bind mounted from /nix/persist/system/etc/nixos to /etc/nixos
      "/etc/ssh"
      "/etc/secureboot"
      "/root/.ssh"
      "/root/.borgmatic"
      "/root/.local/share/zsh"
      "/root/.local/share/atuin"
      "/root/.config/atuin"
    ];
    files = [
      "/etc/machine-id"
      # fix for systemd v257 panicking when /usr is empty
      "/usr/dummy"
    ];
  };

  time.timeZone = "Europe/Berlin";
  i18n.defaultLocale = "en_US.UTF-8";
  programs.direnv = {
    enable = true;
  };

  console.keyMap = "dvorak";
  services = {
    envfs.enable = true; #usr/bin fixes
    blueman.enable = true; # bluetooth
    devmon.enable = true; # automount stuff
    upower.enable = true;
    fwupd.enable = true; # firmware updates
    avahi.enable = true;
    btrfs.autoScrub.enable = true;
  };
  hardware.bluetooth = {
    enable = true;
    settings = {
      General = {
        Experimental = true;
      };
    };
  };

  services.logind = {
    lidSwitch = "suspend-then-hibernate";
    lidSwitchDocked = "suspend";
    lidSwitchExternalPower = "suspend";
    extraConfig = ''
      HandlePowerKey = ignore
    '';
  };

  services.tlp = {
    enable = true;
    settings = {
      START_CHARGE_THRESH_BAT0 = 70;
      STOP_CHARGE_THRESH_BAT0 = 90;
      RESTORE_DEVICE_STATE_ON_STARTUP = 1;
    };
  };

  documentation = {
    dev.enable = true;
  };
  environment.systemPackages = [ pkgs.man-pages ];
  system.stateVersion = "22.11";
}