{ config, inputs, pkgs, username, ... }:
{
  system.stateVersion = "25.05";

  imports = [
      inputs.disko.nixosModules.disko

      ./hardware-configuration.nix
      ../../os/default.nix
    ];

  os = {
    core = {
      allowUnfree.enable = true;
      flatpak.enable = true;
      hardwareTools.enable = true;

      audio.enable = true;
      bootloader = "systemd-boot";
      drivers = {
        enable = true;
        amdgpu.enable = true;
        stability = "unstable";
      };
      fonts.enable = true;
      greet.enable = true;
      home-manager = {
        enable = true;
        users.${username}.path = ./home.nix;
      };
      locale.enable = true;
      memory = {
        zram = {
          enable = true;
          percent = 25;
        };
        swapfile = {
          enable = true;
          size = 32;
        };
      };
      network.enable = true;
      security.enable = true;
      ssh.enable = true;
      storage = {
        enable = true;
        cleanDates = "monthly";
      };
      users.enable = true;
    };
    srv = {
      files = {
        thunar.enable = true;
        utils.enable = true;
      };
      gaming = {
        enable = true;
        steam.enable = true;
        vr.enable = true;
      };
      kvm.enable = true;
      nix-helper.enable = true;
      ollama.enable = true;
    };
    wm = {
      enable = true;
      niri.enable = true;
    };
  };

  boot = {
    kernelParams = [ "video=DP-1:2560x1440@240" ];
    kernelModules = [ "nct6687" ];
    extraModulePackages = [ 
      config.boot.kernelPackages.nct6687d 
    ];
  };
  services.pipewire.wireplumber.extraConfig."99-disable-useless-devices"."monitor.alsa.rules" = [{
    matches = [
      { "device.name" = "~alsa_card.pci-0000_03_00.1*"; }
      { "device.description" = "~USB Audio*"; }
    ];
    actions.update-props = { "device.disabled" = true; };
  }];

  systemd.user.services.zzz-presence = {
    description = "Zenless Zone Zero Discord Rich Presence";
    wantedBy = [ "default.target" ];

    serviceConfig = {
      ExecStart = "${pkgs.python3.withPackages (ps: [ ps.pypresence ])}/bin/python3 /etc/nixos/hosts/desktop/resources/zzz.py";
      Restart = "always";
      RestartSec = "10";
    };
  };
}