#!/bin/bash
#
#  Copyright (c) 2019, The OpenThread Authors.
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. Neither the name of the copyright holder nor the
#     names of its contributors may be used to endorse or promote products
#     derived from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#

set -e -x -o pipefail

setup_arm_gcc_7()
{
  if arm-none-eabi-gcc --version | grep -q 'Arm Embedded Processors 7'; then
    return 0
  fi

  (cd /tmp/
   wget https://developer.arm.com/-/media/Files/downloads/gnu-rm/7-2018q2/gcc-arm-none-eabi-7-2018-q2-update-linux.tar.bz2
   tar xjf gcc-arm-none-eabi-7-2018-q2-update-linux.tar.bz2)
  export PATH=/tmp/gcc-arm-none-eabi-7-2018-q2-update/bin:$PATH

  arm-none-eabi-gcc --version
}

size_nrf52840()
{
    [ ${TRAVIS_PULL_REQUEST} != false ]

    mkdir ../output

    export MERGE_BASE_SHA=$(git merge-base HEAD ${TRAVIS_BRANCH})

    # pull request
    OPENTHREAD_FLAGS="BORDER_AGENT=1 BORDER_ROUTER=1 CHANNEL_MANAGER=1 CHANNEL_MONITOR=1 CHILD_SUPERVISION=1 COAP=1 COAPS=1 COMMISSIONER=1 DHCP6_CLIENT=1 DHCP6_SERVER=1 DIAGNOSTIC=1 DISABLE_DOC=1 DNS_CLIENT=1 ECDSA=1 FULL_LOGS=1 JAM_DETECTION=1 JOINER=1 LINK_RAW=1 MAC_FILTER=1 MTD_NETDIAG=1 SERVICE=1 SLAAC=1 SNTP_CLIENT=1 TIME_SYNC=1 UDP_FORWARD=1"

    git checkout -- .
    git clean -xfd
    ./bootstrap
    make -f examples/Makefile-nrf52840 ${OPENTHREAD_FLAGS}
    mv output/nrf52840 ../output/nrf52840-b

    git checkout -f ${MERGE_BASE_SHA}
    git submodule update --init

    # base branch
    git checkout -- .
    git clean -xfd
    ./bootstrap
    make -f examples/Makefile-nrf52840 ${OPENTHREAD_FLAGS}
    mv output/nrf52840 ../output/nrf52840-a

    curl -s "${SIZE_REPORT_URL}/bash" > size-report
    chmod a+x size-report

    ./size-report init OpenThread

    ./size-report size ../output/nrf52840-a/bin/ot-cli-ftd ../output/nrf52840-b/bin/ot-cli-ftd
    ./size-report size ../output/nrf52840-a/bin/ot-cli-mtd ../output/nrf52840-b/bin/ot-cli-mtd
    ./size-report size ../output/nrf52840-a/bin/ot-ncp-ftd ../output/nrf52840-b/bin/ot-ncp-ftd
    ./size-report size ../output/nrf52840-a/bin/ot-ncp-mtd ../output/nrf52840-b/bin/ot-ncp-mtd
    ./size-report size ../output/nrf52840-a/bin/ot-rcp     ../output/nrf52840-b/bin/ot-rcp

    ./size-report size ../output/nrf52840-a/lib/libopenthread-cli-ftd.a ../output/nrf52840-b/lib/libopenthread-cli-ftd.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-cli-mtd.a ../output/nrf52840-b/lib/libopenthread-cli-mtd.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-ftd.a     ../output/nrf52840-b/lib/libopenthread-ftd.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-mtd.a     ../output/nrf52840-b/lib/libopenthread-mtd.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-ncp-ftd.a ../output/nrf52840-b/lib/libopenthread-ncp-ftd.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-ncp-mtd.a ../output/nrf52840-b/lib/libopenthread-ncp-mtd.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-rcp.a     ../output/nrf52840-b/lib/libopenthread-rcp.a
    ./size-report size ../output/nrf52840-a/lib/libopenthread-radio.a   ../output/nrf52840-b/lib/libopenthread-radio.a

    ./size-report post
}

main()
{
  case $1 in
    setup)
      setup_arm_gcc_7
      ;;
    nrf52840)
      size_nrf52840
      ;;
    '')
      setup_arm_gcc_7
      size_nrf52840
      ;;
    *)
      echo "USAGE: $0 [setup|nrf52840]"
      exit 1
      ;;
  esac
}

main "$@"