#!/bin/bash
#
#  Copyright (c) 2017, The OpenThread Authors.
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#  modification, are permitted provided that the following conditions are met:
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#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
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#     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
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#  POSSIBILITY OF SUCH DAMAGE.
#

OTBR_TOP_BUILDDIR="${BUILD_DIR}/otbr"
readonly OTBR_TOP_BUILDDIR

OTBR_OPTIONS="${OTBR_OPTIONS-}"
readonly OTBR_OPTIONS

REFERENCE_DEVICE="${REFERENCE_DEVICE:-0}"
readonly REFERENCE_DEVICE

otbr_uninstall()
{
    if have systemctl; then
        sudo systemctl stop otbr-web || true
        sudo systemctl stop otbr-agent || true
        sudo systemctl disable otbr-web || true
        sudo systemctl disable otbr-agent || true
        ! sudo systemctl is-enabled otbr-web
        ! sudo systemctl is-enabled otbr-agent
    fi
    sudo killall otbr-web otbr-agent || true

    (
        if cd "${OTBR_TOP_BUILDDIR}"; then
            # shellcheck disable=SC2024
            sudo xargs rm <install_manifests.txt || true
        fi
    )
    if have systemctl; then
        sudo systemctl daemon-reload
    fi
}

otbr_install()
{
    local otbr_options=()

    if [[ ${OTBR_OPTIONS} ]]; then
        read -r -a otbr_options <<<"${OTBR_OPTIONS}"
    fi

    otbr_options=(
        "-DBUILD_TESTING=OFF"
        "-DCMAKE_INSTALL_PREFIX=/usr"
        "-DOTBR_DBUS=ON"
        "-DOTBR_DNSSD_DISCOVERY_PROXY=ON"
        "-DOTBR_SRP_ADVERTISING_PROXY=ON"
        "-DOTBR_INFRA_IF_NAME=${INFRA_IF_NAME}"
        "-DOTBR_MDNS=${OTBR_MDNS:=mDNSResponder}"
        # Force re-evaluation of version strings
        "-DOTBR_VERSION="
        "-DOT_PACKAGE_VERSION="
        "${otbr_options[@]}"
    )

    if with WEB_GUI; then
        otbr_options+=("-DOTBR_WEB=ON")
    fi

    if with BORDER_ROUTING; then
        otbr_options+=(
            "-DOTBR_BORDER_ROUTING=ON"
        )
    fi

    if with REST_API; then
        otbr_options+=("-DOTBR_REST=ON")
    fi

    if with BACKBONE_ROUTER; then
        otbr_options+=(
            "-DOTBR_BACKBONE_ROUTER=ON"
        )
        if [[ ${REFERENCE_DEVICE} == "1" ]]; then
            otbr_options+=(
                "-DOTBR_DUA_ROUTING=ON"
            )
        fi
    fi

    if [[ ${REFERENCE_DEVICE} == "1" ]]; then
        otbr_options+=(
            "-DOTBR_NO_AUTO_ATTACH=1"
            "-DOT_REFERENCE_DEVICE=ON"
            "-DOT_DHCP6_CLIENT=ON"
            "-DOT_DHCP6_SERVER=ON"
        )
    fi

    if with NAT64 && [[ ${NAT64_SERVICE-} == "openthread" ]]; then
        otbr_options+=(
            "-DOTBR_NAT64=ON"
            "-DOT_POSIX_NAT64_CIDR=${NAT64_DYNAMIC_POOL:-192.168.255.0/24}"
        )
    fi

    if with NAT64; then
        otbr_options+=(
            "-DOTBR_DNS_UPSTREAM_QUERY=ON"
        )
    fi

    if with FIREWALL; then
        otbr_options+=(
            "-DOT_FIREWALL=ON"
        )
    else
        otbr_options+=(
            "-DOT_FIREWALL=OFF"
        )
    fi

    (./script/cmake-build "${otbr_options[@]}" \
        && cd "${OTBR_TOP_BUILDDIR}" \
        && ninja \
        && sudo ninja install)

    if have systemctl; then
        sudo systemctl reload dbus
        sudo systemctl daemon-reload
        without WEB_GUI || sudo systemctl enable otbr-web || true
        sudo systemctl enable otbr-agent || true
        sudo systemctl is-enabled otbr-agent || die 'Failed to enable otbr-agent!'
        without WEB_GUI || sudo systemctl is-enabled otbr-web || die 'Failed to enable otbr-web!'

        if [[ ${REFERENCE_DEVICE} == "1" ]]; then
            sudo systemctl enable testharness-discovery || true
            sudo systemctl is-enabled testharness-discovery || die 'Failed to enable otbr-agent!'
        fi
    else
        echo >&2 ' *** WARNING: systemctl not found. otbr cannot start on boot.'
    fi
}

otbr_update()
{
    otbr_install
}