{ inputs, config, lib, pkgs, modulesPath, ... }:

{
  imports =
    [ 
      inputs.hardware.nixosModules.common-cpu-intel
      inputs.hardware.nixosModules.common-pc-laptop-ssd
      inputs.hardware.nixosModules.common-pc-laptop
      # this will override your kernel!!!
      # use this on macs with t2 chips to get screen, keyboard, trackpad, 
      # camera, touchbar, and experimental suspend and audio
      inputs.hardware.nixosModules.apple-t2
    
      (modulesPath + "/installer/scan/not-detected.nix")
    ];

  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sdhci_pci" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-intel" ];
  boot.extraModulePackages = [ ];
  
  boot.loader = {
    # use systemd-boot over grub
    grub.enable = lib.mkForce false;
    systemd-boot.enable = true;
    efi.canTouchEfiVariables = true;
  };

  # support power features such as suspend to ram
  powerManagement.enable = true;
  # tune power saving options on boot
  powerManagement.powertop.enable = true;
  # thermald proactively prevents overheating on intel CPUs and works well with other tools
  services.thermald.enable = true;
  # power-profile-daemon for power management
  services.power-profiles-daemon.enable = true;
  # manage fans for macbook devices
  services.mbpfan.enable = true;

  # better performance than the actual intel driver
  services.xserver.videoDrivers = [ "modesetting" ];

  # needed for our broadcom/brcm 4377b chip to work
  hardware.firmware = with pkgs; [
    my.apple-firmware
  ];

  # VA-API
  hardware.opengl = {
    extraPackages = with pkgs; [
      intel-media-driver
      intel-vaapi-driver
      libvdpau-va-gl
    ];

    extraPackages32 = with pkgs.pkgsi686Linux; [
      intel-media-driver
      intel-vaapi-driver
      libvdpau-va-gl
    ];
  };

  environment.variables = {
    LIBVA_DRIVER_NAME= "iHD";
    VDPAU_DRIVER = "va_gl";
    # VA-API on firefox
    MOZ_DISABLE_RDD_SANDBOX = "1";
  };

  environment.systemPackages = with pkgs; [ intel-gpu-tools ];

  boot.kernelParams = [
    # enable the i915 sandybridge framebuffer compression (475mw savings)
    "i915.i915_enable_fbc=1"
    "i915.fastboot=1"
    "enable_gvt=1"
  ];

  fileSystems."/" =
    { device = "/dev/disk/by-uuid/0f09afdc-88e4-4764-818b-77828931278f";
      fsType = "ext4";
    };

  fileSystems."/boot" =
    { device = "/dev/disk/by-uuid/5659-4909";
      fsType = "vfat";
      options = [ "fmask=0022" "dmask=0022" ];
    };

  swapDevices =
    [ { device = "/dev/disk/by-uuid/f54a2257-f498-4ca0-82af-58f31705cce7"; }
    ];

  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
  # (the default) this is the recommended approach. When using systemd-networkd it's
  # still possible to use this option, but it's recommended to use it in conjunction
  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
  networking.useDHCP = lib.mkDefault true;
  # networking.interfaces.end0.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlan0.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
}