zwavejs2mqtt/src/helper/functions

#!/usr/bin/env bash

function ensure_zwavejs_config {
    ZWAVE_JS_CONF="${SNAP}/usr/lib/zwavejs2mqtt/node_modules/@zwave-js/config/config"
    if [ "$(find ${ZWAVE_JS_CONF} -maxdepth 0 -empty -exec echo empty \;)" == "empty" ]; then
        logger "Config directory is empty, copying data from ${SNAP}/snap/zwave-js/config"
        rsync -raz "${SNAP}/snap/zwave-js/config" "${ZWAVE_JS_CONF}/.."
    fi
    return 0
}

function same_network_key {
    if [ -f "${SNAP_DATA}/settings.json" ]; then
        SETTINGS_KEY=$(jq '.zwave.networkKey' -r ${SNAP_DATA}/settings.json)
        if [ "${SETTINGS_KEY}" != "" ] && [ "${1}" != "${SETTINGS_KEY}" ]; then
            echo "${SETTINGS_KEY}"
            return 1
        fi
        return 0
    fi
    return 0
}

function plug_connected {
    if ! snapctl is-connected "${1}"; then
        echo "Missing plug: «${1}»" >&2
        echo "Connect with:"
        echo "$ sudo snap connect ${SNAP_NAME}:${1}"
        return 1
    fi
    return 0
}

function plugs_connected {
    MISSING=0

    RAW_OUT=$(plug_connected "raw-usb")
    RAW_RES=$?

    SERIAL_OUT=$(plug_connected "serial-port")
    SERIAL_RES=$?

    if [ $RAW_RES -ne 0 -a $SERIAL_RES -ne 0 ]; then
        echo $RAW_OUT
        echo "----- OR -----"
        echo $SERIAL_OUT
        MISSING=1
    elif [ $RAW_RES -ne 0 ]; then
        echo "OPTIONAL plug:"
        echo $RAW_OUT
    elif [ $SERIAL_RES -ne 0 ]; then
        echo "OPTIONAL plug"
        echo $SERIAL_OUT
    fi

    plug_connected "hardware-observe"
    if [ $? -ne 0 ]; then
        MISSING=1
    fi

    if [ $MISSING -ne 0 ]; then
        return 1
    fi

    return 0
}


function is_root {
    if [ ${EUID:-$(id -u)} -eq 0 ]; then
        return 0
    fi
    return 1
}

function require_root {
    is_root
    if [ $? -eq 1 ]; then
        echo "Running as root is required." >&2
        echo "Re-run with sudo."
        exit 1
    fi
}

function testnset_config {
    logger "${SNAP_NAME}: Testing ${1}, or setting ${2}"
    RES=$(snapctl get ${1})
    if [ $? -ne 0 ] || [ -z "${RES}" ]; then
        logger "${SNAP_NAME}: Setting ${1}=${2}"
        RES=$(snapctl set ${1}=${2})
        if [ $? -ne 0 ]; then
            logger "${RES}"
            exit 1
        fi
        return 0
    else
        logger "${SNAP_NAME}: ${1} has ${RES}, leaving as is"
    fi
    return 0
}

function test_default_config {
    testnset_config "server.ssl" false
    testnset_config "server.host" "localhost"
    testnset_config "server.port" 8091

    testnset_config "session.cookie-secure" false
    testnset_config "session.secret" $(uuid)
}