#!/bin/sh

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2018-present Team CoreELEC (https://coreelec.org)

remap_keys () {
  [ ! -f "$1" ] && return

  sed -i 's/ 15[^0-9]*$/ 1/
          s/ 63[^0-9]*$/ 90/
          s/ 97[^0-9]*$/ 28/
          s/ 102[^0-9]*$/ 172/
          s/ 125[^0-9]*$/ 46/
          s/ 128[^0-9]*$/ 45/
          s/ 139[^0-9]*$/ 46/
          s/ 142[^0-9]*$/ 116/
          s/ 143[^0-9]*$/ 116/
          s/ 158[^0-9]*$/ 1/
          s/ 183[^0-9]*$/ 59/
          s/ 184[^0-9]*$/ 399/
          s/ 185[^0-9]*$/ 400/
          s/ 186[^0-9]*$/ 60/
          s/ 232[^0-9]*$/ 28/
          s/ 240[^0-9]*$/ 164/
          s/ 241[^0-9]*$/ 163/
          s/ 242[^0-9]*$/ 165/
          s/ 244[^0-9]*$/ 208/
          s/ 245[^0-9]*$/ 168/
          s/ 264[^0-9]*$/ 63/
          s/ 704[^0-9]*$/ 116/' \
    "$1"
}

[ ! -e "/proc/device-tree/meson-ir/compatible" -o ! -e "/proc/device-tree/meson-remote/compatible" ] && exit

if [ -f "/flash/remote.disable" -o -f "/storage/.config/remote.disable" ]; then
  echo "remote control disabled by user"
  exit 0
fi

if [ -f "/flash/remote.force_meson_ir" -o -f "/storage/.config/remote.force_meson_ir" ]; then
  force_meson_ir="yes"
else
  force_meson_ir="no"
fi

if [ -f "/flash/remote.conf" ]; then
  REMOTE_CONF_DIR="/flash"
elif [ -f "/storage/.config/remote.conf" ]; then
  REMOTE_CONF_DIR="/storage/.config"
else
  REMOTE_CONF_DIR=""

  if [ -d "/proc/device-tree/custom_maps" -a "$force_meson_ir" = "no" ]; then
    MAP_NAME=$(cat /proc/device-tree/custom_maps/map_0/mapname 2>/dev/null)
    echo "using meson-remote, with pre-defined map '$MAP_NAME' from dtb"
    modprobe meson-remote
    exit 0
  fi
fi

if [ -d "$REMOTE_CONF_DIR" ]; then
  echo "using meson-remote, conf from $REMOTE_CONF_DIR"

  if [ -d "/proc/device-tree/custom_maps" ]; then
    MAP_NAME=$(cat /proc/device-tree/custom_maps/map_0/mapname 2>/dev/null)
    echo "also using pre-defined map '$MAP_NAME' from dtb"
  fi

  modprobe meson-remote

  for f in $REMOTE_CONF_DIR/remote*.conf; do
    echo "configuring remote with $f"
    cp "$f" /tmp/remote.conf
    remap_keys /tmp/remote.conf
    remotecfg /tmp/remote.conf
    rm -f /tmp/remote.conf
  done
else
  echo "using meson-ir"
  modprobe meson-ir
fi

exit 0