{ config, lib, pkgs, modulesPath, ... }: {
  networking.hostName = "framework";

  fileSystems."/" =
    { device = "/dev/disk/by-partlabel/primary";
      fsType = "ext4";
    };
  fileSystems."/boot" =
    { device = "/dev/disk/by-partlabel/ESP";
      fsType = "vfat";
    };

  # CPU Settings
  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;

  boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod" ];
  boot.initrd.kernelModules = [ "amdgpu" ];
  boot.kernelModules = [ "kvm-amd" ]; # Include kvm-amd for virtualization support
  boot.extraModulePackages = [];
  boot.kernelParams = [
    "amdgpu.dc=1"
    "usbcore.autosuspend=-1"
    "nvme_core.default_ps_max_latency_us=0"
    "pcie_aspm=off" "pcie_port_pm=off"
  ];

  networking.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";

  # Modified TLP for power management with less aggressive settings
#  services.tlp = {
#    enable = true;
#    settings = {
#      CPU_BOOST_ON_BAT = 0;
#      CPU_SCALING_GOVERNOR_ON_BATTERY = "powersave";
#      CPU_SCALING_GOVERNOR_ON_AC = "performance";
#      CPU_ENERGY_PERF_POLICY_ON_AC = "balance_performance";
#      START_CHARGE_THRESH_BAT0 = 90;
#      STOP_CHARGE_THRESH_BAT0 = 97;
#      RUNTIME_PM_ON_BAT = "on"; # Less aggressive power management
#      HANDLE_LID_SWITCH = 1; # Suspend on lid close
#      HANDLE_LID_SWITCH_DOCKED = 0; # Do nothing when docked
      # Disable USB autosuspend
#      USB_AUTOSUSPEND = 0;
#    };
#  };

# Powersac

  # Swap
  swapDevices = [
    {
      device = "/swapfile";
      size = 102400;
      # optional: set up file with correct permissions at activation
      priority = 0;
    }
  ];

  systemd.tmpfiles.rules = [
    "f /swapfile 0600 root root - -"
  ];



  # Disable power-profiles-daemon to resolve conflict
 # services.power-profiles-daemon.enable = false;

  # GPU settings
 # services.xserver.videoDrivers = [ "amdgpu" ];
 # environment.variables = {
 #   DRI_PRIME = "1"; # Ensure iGPU is default
 # };

  # Brightness control
  hardware.acpilight.enable = lib.mkDefault true;

  # SSD optimization
  services.fstrim.enable = lib.mkDefault true;

  # Logind lid-switch configuration
 # services.logind = {
 #   lidSwitch = "suspend";
 #   lidSwitchDocked = "ignore"; # Prevent suspend when connected to a dock
 #   lidSwitchExternalPower = "ignore";
 #   powerKey = "poweroff"; # Optional: configure behavior for the power key
 #   suspendKey = "suspend"; # Optional: configure behavior for the suspend key
 # };

  # Suspend-then-hibernate configuration
 # systemd.services.suspendThenHibernate = {
 #   description = "Suspend and then hibernate";
 #   after = [ "suspend.target" ];
 #   serviceConfig = {
 #     ExecStart = "/bin/sh -c 'sleep 3600 && systemctl hibernate'"; # Hibernate after 60 minutes
 #     Type = "oneshot";
 #   };
 #   wantedBy = [ "suspend.target" ];
 # };

  # Modified udev rules for runtime PM - disable problematic USB autosuspend
#  services.udev.extraRules = ''
#    ACTION=="add", SUBSYSTEM=="pci", ATTR{power/control}="auto"
#    # ACTION=="add", SUBSYSTEM=="usb", ATTR{power/autosuspend}="10"
#  '';

  # ACPI lid event handler
#  environment.etc."acpi/events/lid".source = pkgs.writeText "lid-event-handler" ''
#    event=button/lid.*
#    action=/etc/acpi/actions/lid.sh
#  '';
#  environment.etc."acpi/actions/lid.sh".source = pkgs.writeText "lid-sh-handler" ''
#    #!/bin/bash
#    systemctl suspend
#  '';

  environment.systemPackages = with pkgs; [
    via
    radeontop
    amdvlk
  ];
}