{ config, pkgs, nixpkgs, nixpkgs-unstable, nixos-hardware, ... }:

{ imports = [
    (nixos-hardware + "/common/pc/ssd")
    (nixos-hardware + "/common/cpu/amd")

    ./settings/satoshipay.nix
    ./settings/base.nix
    ./settings/configuration/berlin.nix
    ./settings/configuration/british-english.nix
    ./settings/configuration/nix.nix
    ./settings/configuration/user.nix
    ./settings/hardware/audio.nix
    ./settings/hardware/bare-metal.nix
    ./settings/hardware/personal-computer.nix
    ./settings/hardware/bluetooth.nix
    ./settings/hardware/nvme-root.nix
    ./settings/hardware/iwd.nix
    ./settings/hardware/mouse.nix
    ./settings/hardware/grub2.nix
    ./settings/hardware/nvidia-gpu.nix
    ./settings/hardware/keyboard.nix
    ./settings/hardware/keyboardio-model01.nix
    ./settings/hardware/trackball.nix
    ./settings/hardware/trezor.nix
    ./settings/services/airplay-sink.nix
    ./settings/services/samba.nix
    ./settings/services/syncthing.nix
    ./settings/services/virtualisation.nix
    ./settings/services/zeroconf.nix
    ./settings/user-interface.nix
    ./settings/programs/base.nix
    ./settings/programs/gnupg.nix
    ./settings/programs/kde.nix
    ./settings/programs/shell.nix
    ./settings/gaming.nix
    ./settings/programs/tor.nix
    ./settings/programs/barrier.nix
  ];

  services.xserver.screenSection = ''
    Option "MetaModes" "2560x1440_165 +0+0 { ForceCompositionPipeline=On }"
  '';
  services.xserver.monitorSection = ''
    Option "DPMS"
  '';
  boot.loader.grub.useOSProber = false;
  boot.loader.grub.extraEntries = ''
    menuentry "Windows" {
      chainloader ($drive1)//EFI/Microsoft/Boot/bootmgfw.efi
    }
  '';

  boot.kernelPackages = pkgs.linuxPackages_zen;
  boot.extraModulePackages = with config.boot.kernelPackages; [
    zenpower
  ];

  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "sd_mod" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-amd" ];

  fileSystems = {
    "/" = {
      device = "/dev/disk/by-partlabel/nixos-root";
      fsType = "f2fs";
      options = [ "atgc" "gc_merge" "lazytime" "nodiscard" ];
    };

    "/boot" = {
      device = "/dev/disk/by-partlabel/efi-boot";
      fsType = "vfat";
    };

    "/home" = {
      device = "/dev/disk/by-partlabel/home";
      fsType = "ext4";
      options = [ "lazytime" "nodiscard" ];
    };

    "/mnt/data" = {
      device = "/dev/disk/by-partlabel/data";
      fsType = "ntfs3";
      options = [ "uid=1000" "gid=100" "x-systemd-automount" "nofail" ];
    };

    "/mnt/games" = {
      device = "/dev/disk/by-partlabel/games";
      fsType = "ntfs3";
      options = [ "uid=1000" "gid=100" "x-systemd-automount" "nofail" ];
    };

    "/mnt/windows" = {
      device = "/dev/disk/by-partlabel/windows";
      fsType = "ntfs3";
      options = [ "x-systemd-automount" "nofail" ];
    };
  };

  swapDevices = [ { label = "swap"; discardPolicy = "once"; } ];

  services.xserver = {
    xautolock.enable = pkgs.lib.mkForce false;
  };
  services.postgresql = {
    enableTCPIP = true;
    authentication = ''
      # TYPE  DATABASE        USER            ADDRESS                 METHOD
      host    all             all             samenet                 md5
    '';
  };

  services.openssh = {
    enable = true;
    openFirewall = false;
    startWhenNeeded = true;
  };
  networking.firewall.extraCommands = ''
    iptables  -A nixos-fw -p udp --source 172.30.42.0/24       -j nixos-fw-accept
    iptables  -A nixos-fw -p tcp --source 172.30.42.0/24       -j nixos-fw-accept
  '';

  hardware.firmware = with pkgs; [
    linux-firmware # for iwlwifi
  ];
  networking = {
    hostName = "prefect";
  };

  system.stateVersion = "22.05";
}