#!/bin/bash
#  $HeadURL$ $LastChangedRevision$

#  Modules
. $(miniade) || { echo "${0##*/}: ERROR: miniade failed (hint: run 'miniade' to see error)" >&2; exit 1; }

#  Configurable stuff

#  Other globals
IFNAME_REGEXP='^(lo|[a-z][a-z0-9]*[0-9])$'

main()
{
    local MY_ARGS
    #  Defaults for options

    #  Process options
    miniade_process_options --help-handler=help MY_ARGS "$@" && set -- "${MY_ARGS[@]}"

    #  Process arguments
    [ $# = 1 ] || miniade_bad_usage
    type encode > /dev/null 2>&1 || miniade_internal "encode: command not found (hint: is PATH set correctly?)"
    ENCODE_OUTPUT=$(encode --decode "$1") || miniade_internal "encode: failed (hint: see messages above)"
    eval set -- "$ENCODE_OUTPUT"
    while [ $# -ge 1 ]; do
        case $1 in
            ifname) IFNAME=$2; shift ;;
            type) TYPE=$2; shift ;;
            autoconnect) AUTOCONNECT=$2; shift ;;
            ip4) IP4=$2; shift ;;
            gw4) GW4=$2; shift ;;
            con-name) CON_NAME=$2; shift ;;
            *)   miniade_error "$1: unhandled nmcli keyword" ;;
        esac
        shift
    done

    #  Sanity checks and derivations
    for VAR in IFNAME CON_NAME TYPE; do
        eval "[ \"X\$$VAR\" != X ]" || miniade_error "$VAR: not set"
    done
    [[ $IFNAME =~ $IFNAME_REGEXP ]] || miniade_error "$IFNAME: invalid device"

    #  Guts
    #  Clean
    ifdown --force --all 2>/dev/null || true
    ifconfig eth0 down 2>/dev/null || true
    ifconfig eth1 down 2>/dev/null || true
    ifconfig wlan0 down 2>/dev/null || true
    nmcli con del 'Wired connection 1' 2>/dev/null || true
    nmcli con del "$CON_NAME" 2>/dev/null || true

    #  Configure but don't activate
    miniade_debug 10 "main: calling [nmcli conn add type $TYPE con-name $CON_NAME ifname $IFNAME ${AUTOCONNECT:+autoconnect $AUTOCONNECT} ${IP4:+ip4 $IP4} ${GW4:+gw4 $GW4}] ..."
    eval nmcli conn add type "$TYPE" con-name "$CON_NAME" ifname "$IFNAME" ${AUTOCONNECT:+autoconnect $AUTOCONNECT} ${IP4:+ip4 $IP4} ${GW4:+gw4 $GW4}
}

help()
{
    local PROGNAME

    miniade_get_progname PROGNAME
    echo "Usage: $PROGNAME [ <standard-options> ] <nmcli-arguments>"
    exit 0
}

main "$@"