#!/bin/sh

# Load uhid for descriptor-driven gamepad emulation
echo "Loading uhid kernel module for gamepad emulation."
modprobe uhid

# Homebrew installs host integration files inside its Cellar. Copy them to
# host directories that systemd-udevd and systemd-modules-load monitor.
script_dir=$(CDPATH='' cd -- "$(dirname -- "$0")" && pwd)
packaged_udev_rule="$script_dir/../lib/udev/rules.d/60-sunshine.rules"
packaged_modules_file="$script_dir/../lib/modules-load.d/60-sunshine.conf"
if [ -f "$packaged_udev_rule" ]; then
  echo "Installing Sunshine udev rules."
  install -Dm644 "$packaged_udev_rule" /etc/udev/rules.d/60-sunshine.rules
fi
if [ -f "$packaged_modules_file" ]; then
  echo "Installing Sunshine modules-load configuration."
  install -Dm644 "$packaged_modules_file" /etc/modules-load.d/60-sunshine.conf
fi

# Ensure Sunshine can grab images from KMS
path_to_setcap=$(which setcap)
if [ -x "$script_dir/sunshine" ]; then
  path_to_sunshine=$(readlink -f "$script_dir/sunshine")
else
  path_to_sunshine=$(readlink -f "$(which sunshine)")
fi
if [ -x "$path_to_setcap" ] ; then
  echo "Setting CAP_SYS_ADMIN, CAP_SYS_NICE capabilities on Sunshine binary."
  echo "$path_to_setcap cap_sys_admin,cap_sys_nice+p $path_to_sunshine"
  $path_to_setcap cap_sys_admin,cap_sys_nice+p "$path_to_sunshine"
  echo "CAP_SYS_ADMIN, CAP_SYS_NICE capabilities set on Sunshine binary."
else
  echo "error: setcap not found or not executable."
fi

# Reload the rules and reapply them to both virtual device factories and any
# gamepad child nodes that already exist.
path_to_udevadm=$(which udevadm)
if [ -x "$path_to_udevadm" ] ; then
  echo "Reloading udev rules."
  $path_to_udevadm control --reload-rules
  $path_to_udevadm trigger --property-match=DEVNAME=/dev/uinput
  $path_to_udevadm trigger --property-match=DEVNAME=/dev/uhid
  $path_to_udevadm trigger --subsystem-match=hidraw
  $path_to_udevadm trigger --subsystem-match=input
  echo "Udev rules reloaded successfully."
else
  echo "error: udevadm not found or not executable."
fi