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

  # 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
  ];
}