#
# Build and Setup nexmon with monitor mode patch
#

# Load utility functions
. ./functions.sh

if [ "$ENABLE_NEXMON" = true ] && [ "$ENABLE_WIRELESS" = true ]; then

  # Create temporary directory for nexmon sources
  temp_dir=$(as_nobody mktemp -d)

  # Fetch nexmon sources
  as_nobody git -C "${temp_dir}" clone "${NEXMON_URL}"

  # Copy downloaded nexmon sources
  mv "${temp_dir}/nexmon" "${R}"/tmp/

  # Set permissions of the nexmon sources
  chown -R root:root "${R}"/tmp/nexmon
  
  # Set script Root
  NEXMON_ROOT="${R}"/tmp/nexmon

  # Remove temporary directory for nexmon sources
  rm -fr "${temp_dir}"

  # Build nexmon firmware outside the build system, if we can.
  cd "${NEXMON_ROOT}"
  
  # Disable statistics
  touch DISABLE_STATISTICS
  
  # Setup Enviroment: see https://github.com/NoobieDog/nexmon/blob/master/setup_env.sh
  #ARCH="${KERNEL_ARCH}"
  #SUBARCH="${KERNEL_ARCH}"
  #KERNEL="${KERNEL_IMAGE}"
  #CC="${NEXMON_ROOT}"/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
  #CCPLUGIN="${NEXMON_ROOT}"/buildtools/gcc-nexmon-plugin/nexmon.so
  #ZLIBFLATE="zlib-flate -compress"
  #Q=@
  #NEXMON_SETUP_ENV=1
  . ./setup_env.sh
  
  # Make nexmon
  make

  # Make ancient isl build
  cd buildtools/isl-0.10
  CC="${CC}"gcc
  ./configure
  make

  # build patches
  if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] ; then
    cd ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon
    make clean
	
    # We do this so we don't have to install the ancient isl version into /usr/local/lib on systems.
    LD_LIBRARY_PATH=${NEXMON_ROOT}/buildtools/isl-0.10/.libs make ARCH="${KERNEL_ARCH}" CC=${NEXMON_ROOT}/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
	
    # copy RPi0W & RPi3 firmware
	mv "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.org.bin
    cp ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.nexmon.bin
    cp -f ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.bin
  fi
  
  if [ "$RPI_MODEL" = 3P ] ; then
    cd ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon
    make clean
	
	# We do this so we don't have to install the ancient isl version into /usr/local/lib on systems.
    LD_LIBRARY_PATH=${NEXMON_ROOT}/buildtools/isl-0.10/.libs make ARCH="${KERNEL_ARCH}" CC=${NEXMON_ROOT}/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-

    # RPi3B+ firmware
	mv "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.org.bin
    cp ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon/brcmfmac43455-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.nexmon.bin
    cp -f ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon/brcmfmac43455-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.bin
  fi
  
#Revert to previous directory
cd "${WORKDIR}"

fi