#!/bin/bash
# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2020-present Fewtarius

TMPFILE=$(uuidgen)
OUTFILE=$(uuidgen)

CONTROLLER=$(grep -b4 js0 /proc/bus/input/devices | awk 'BEGIN {FS="\""}; /Name/ {printf $2}')
xmlstarlet sel -t \
               -m "/inputList/inputConfig[@deviceName='${CONTROLLER}']/input" \
               -v "concat(@name,'|',@type,'|',@id,'|',@value)" \
               -n /storage/.config/emulationstation/es_input.cfg >/tmp/${TMPFILE}

while read -r line
do
  BTN=$(echo ${line} | awk 'BEGIN { FS="|" } {print $1}')
  TYPE=$(echo ${line} | awk 'BEGIN { FS="|" } {print $2}')
  ID=$(echo ${line} | awk 'BEGIN {FS="|" } {print $3}')
  VALUE=$(echo ${line} | awk 'BEGIN { FS="|" } {print $4}')
  if [ "${TYPE}" == "axis" ]
  then
    if [[ "${VALUE}" =~ ^[0-9] ]]
    then
      ID="+${ID}"
    else
      ID="-${ID}"
    fi
  elif [ "${TYPE}" == "hat" ]
  then
    ID="h${ID}${BTN}"
  fi
  if [[ ${BTN} == "pagedown" ]]
  then
    BTN="leftshoulder"
  elif [[ ${BTN} == "pageup" ]]
  then
    BTN="rightshoulder"
  elif [[ ${BTN} == "l2" ]]
  then
    BTN="lefttrigger"
  elif [[ ${BTN} == "r2" ]]
  then
    BTN="righttrigger"
  elif [[ ${BTN} == "l3" ]]
  then
    BTN="leftthumb"
  elif [[ ${BTN} == "r3" ]]
  then
    BTN="rightthumb"
  fi
  echo "${BTN}=${ID}" >>/tmp/${OUTFILE}
done < /tmp/${TMPFILE}

rm -f /tmp/${TMPFILE}

source /tmp/${OUTFILE}

echo "${CONTROLLER}" >/storage/.controller

cat <<EOF >/storage/.config/profile.d/99-controller
DEVICE_BTN_SOUTH="${a}"
DEVICE_BTN_EAST="${b}"
DEVICE_BTN_NORTH="${y}"
DEVICE_BTN_WEST="${x}"
DEVICE_BTN_TL="${leftshoulder}"
DEVICE_BTN_TR="${rightshoulder}"
DEVICE_BTN_TL2="${lefttrigger}"
DEVICE_BTN_TR2="${righttrigger}"
DEVICE_BTN_SELECT="${select}"
DEVICE_BTN_START="${start}"
DEVICE_BTN_MODE="${hotkeyenable}"
DEVICE_BTN_THUMBL="${leftthumb}"
DEVICE_BTN_THUMBR="${rightthumb}"
DEVICE_BTN_DPAD_UP="${up}"
DEVICE_BTN_DPAD_DOWN="${down}"
DEVICE_BTN_DPAD_LEFT="${left}"
DEVICE_BTN_DPAD_RIGHT="${right}"
EOF

rm /tmp/${OUTFILE}