#!/bin/bash
#
#  Copyright (c) 2020, 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.
#

#
# Build openthread-br inside docker.
#
# The binaries will be put into volume named openwrt-bin.
#

set -euxo pipefail

readonly PACKAGE_NAME=openthread-br
readonly CONTAINER_NAME=openwrt-sdk

do_prepare()
{
    docker create --name "${CONTAINER_NAME}" --rm -v openwrt-bin:/home/build/openwrt/bin -it openwrtorg/sdk
    docker cp . "${CONTAINER_NAME}":/home/build/ot-br-posix
    echo 'src-link openthread /home/build/ot-br-posix/etc/openwrt' >feeds.conf

    docker start "${CONTAINER_NAME}"
    docker exec "${CONTAINER_NAME}" scripts/feeds update base
    docker exec "${CONTAINER_NAME}" scripts/feeds install libjson-c libubox libubus

    docker cp feeds.conf "${CONTAINER_NAME}":/home/build/openwrt/feeds.conf
    docker exec "${CONTAINER_NAME}" sudo chown -R build:build /home/build/ot-br-posix /home/build/openwrt/feeds.conf /home/build/openwrt/bin
    docker exec "${CONTAINER_NAME}" scripts/feeds update openthread
    docker exec "${CONTAINER_NAME}" make defconfig
    docker exec "${CONTAINER_NAME}" scripts/feeds install openthread-br
}

do_build()
{
    docker exec "${CONTAINER_NAME}" make V=sc package/openthread-br/compile
    docker exec "${CONTAINER_NAME}" find . -name "${PACKAGE_NAME}*.ipk" | grep "${PACKAGE_NAME}"
}

do_clean()
{
    local exit_code=$?
    rm feeds.conf || true
    docker stop "${CONTAINER_NAME}" || true
    exit $exit_code
}

main()
{
    if [[ $# == 0 ]]; then
        trap do_clean EXIT
        do_prepare
        do_build
    else
        case "$1" in
            prepare)
                do_prepare
                ;;
            build)
                do_build
                ;;
            clean)
                do_clean
                ;;
        esac
    fi
}

main "$@"
