#!/usr/bin/env bash

set -e

if [ -z ${DAEMONIZED} ]; then
    DAEMONIZED=0
fi

function lprint {
    if [ ${DAEMONIZED} -eq 0 ]; then
        echo ${1}
    else
        logger "${SNAP_NAME}: ${1}"
    fi
}

if ! snapctl is-connected raw-usb; then
    lprint "Please connect raw-usb interface!"
    lprint "Run: snap connect ${SNAP_NAME}:raw-usb"
    exit 1
fi

export NETWORK_KEY=$(snapctl get network.key)

if [ -f "${SNAP_DATA}/settings.json" ]; then
    SETTINGS_KEY=$(jq '.zwave.networkKey' -r ${SNAP_DATA}/settings.json)
    if [ "${SETTINGS_KEY}" != "" ] && [ "${NETWORK_KEY}" != "${SETTINGS_KEY}" ]; then
        snapctl set network.key="${SETTINGS_KEY}"
        export NETWORK_KEY="${SETTINGS_KEY}"
    fi
fi

export SERVER_SSL=$(snapctl get server.ssl)
export SERVER_HOST=$(snapctl get server.host)
export SERVER_PORT=$(snapctl get server.port)
export SERVER_URL=$(snapctl get server.url)
export SERVER_WS_URL=$(snapctl get server.ws-url)

OPT_HELP=false

if [ "${1}" = "--help" ]; then
    OPT_HELP=true
fi

if [ ${OPT_HELP} = true ]; then
    echo "Zwavejs2mqtt ($ ($ 1 --version))"
    echo ""
    echo "IMPORTANT! The DAEMON/SERVICE is disabled by default after installation." 
    echo "You have to manually 'daemonize' OpenZWave Daemon with executing the command"
    echo ""
    echo "$ ${SNAP_NAME}.enable"
    echo ""
    echo "But first set your configuration as descrived below"
    echo ""
    echo "Base configuration values:"
    echo "- network.key:               $(snapctl get network.key)"
    echo "Server configuration values: $(snapctl get server -d)"
    echo ""
    echo "- server.ssl: Use secure communication"
    echo "- server.host: IP address to bind to, e.g 127.0.0.1"
    echo "- server.port: Port to reach the web interface"
    echo "- server.url: Hostname for http/https"
    echo "- server.ws-url: Hostname for websocket"
    echo ""
    echo "Set options with:         $ snap set ${SNAP_NAME} param=key"
    echo "For example:              $ snap set ${SNAP_NAME} server.host=0.0.0.0"
    echo ""
    echo "Also see 'snap info ${SNAP_NAME}'."
    echo ""
    echo "Follow the log with"
    echo "$ snap logs ${SNAP_NAME} -f"
    echo ""
    echo "Other commands"
    echo "Disable the daemon:       $ ${SNAP_NAME}.disable"
    echo "Restart the daemon:       $ ${SNAP_NAME}.restart"
    exit 0
fi

exec "$@"