{ config, pkgs, ... }:

{
  imports =
    [
      ./hardware-configuration.nix
    ];

  networking.hostName = "malachite";

  time.timeZone = "America/Los_Angeles";

  let
    passthrough = pkgs.writeShellScript "pasthrough.sh" ''
      #/usr/bin/env bash

      GUEST_NAME="$1"
      HOOK_NAME="$2"
      STATE_NAME="$3"

      set -e
      set -x
      
      # For the windows 10 VM
      if[$GUEST_NAME == 'win10']; then

        # Prepare hook
        if["$HOOK_NAME/$STATE_NAME" == "prepare/begin"]; then

          # Remove Hyprland
          pkill Hyprland

          # Unbind VTconsoles
          echo 0 > /sys/class/vtconsole/vtcon0/bind
          echo 0 > /sys/class/vtconsole/vtcon1/bind

          # Unbind EFI-Framebuffer
          echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind

          # Unload Modules
          modprobe -r nvidia_drm nvidia_modeset nvidia_uvm nvidia

          # Unbind the GPU from display driver
          virsh nodedev-detach pci_0000_01_00_0
          virsh nodedev-detach pci_0000_01_00_1

          # Load VFIO Kernel Module 
          modprobe vfio_pci

        elif["$HOOK_NAME/$STATE_NAME" == "release/end"]; then

          # Re-Bind GPU to Nvidia Driver (replace the pci addresses with yours)
          virsh nodedev-reattach pci_0000_01_00_0
          virsh nodedev-reattach pci_0000_01_00_1

          modprobe -r vfio-pci

          #bind efi
          echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/bind

          # Reload nvidia modules
          modprobe nvidia_drm
          modprobe nvidia_modeset
          modprobe nvidia_uvm
          modprobe nvidia

          # Rebind VT consoles
          echo 1 > /sys/class/vtconsole/vtcon0/bind
          echo 1 > /sys/class/vtconsole/vtcon1/bind

        fi

      fi

    '';
  in {
    virtualization.libvirtd.hooks.qemu = {
      passthrough = "${passthrough}";
    };
  };

  # Read the Docs before Changing
  system.stateVersion = "23.05"; # Did you read the comment?
}