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

{
  # Add i2c_hid_acpi kernel module for proper input device support
  boot.kernelModules = [ "i2c_hid_acpi" ];

  # Systemd service to reload i2c_hid_acpi module after resume
  # This fixes keyboard and touchpad not working after suspend
  systemd.services.reload-i2c-hid-after-resume = {
    description = "Reload i2c_hid_acpi module after resume to fix keyboard/touchpad";
    after = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
    wantedBy = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
    serviceConfig = {
      Type = "oneshot";
      ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.kmod}/bin/rmmod i2c_hid_acpi; ${pkgs.kmod}/bin/modprobe i2c_hid_acpi'";
    };
  };

  # Systemd service to remount /nix/persist if it becomes read-only after resume
  # This fixes the btrfs read-only issue that can occur with LUKS + btrfs on suspend/resume
  systemd.services.remount-persist-after-resume = {
    description = "Remount /nix/persist read-write if needed after resume";
    after = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
    wantedBy = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
    serviceConfig = {
      Type = "oneshot";
      ExecStart = "${pkgs.util-linux}/bin/mount -o remount,rw /nix/persist";
      # Don't fail if already mounted rw
      SuccessExitStatus = [ 0 32 ];
    };
  };
}