#!/usr/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/sn-rmsrvall - delete external server and remove all related groups
#
# Creation   :  2001 chriswue
# Last update:  $Id$
#
# Copyright (c) 2001-2003 by Christian Wuerdig eisfair(at)chriswue(dot)de
# Copyright (c) 2010-@@YEAR@@ Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

. /var/install/include/eislib
. /var/lib/sn/sn.info

keep="yes"

# ---------------------------------------------------------------------------
# check if console minium 80x24
# ---------------------------------------------------------------------------
check_screensize

    case ${?} in
    0)  :       ;;
    *)  exit 1  ;;
    esac
# ---------------------------------------------------------------------------
# check groups
# ---------------------------------------------------------------------------
check_groups()
{
    cd ..
    old_server="${1}"

    SN_TITLE="Found the following groups related to server"
    SN_SUBTITLE="\n              [ ${old_server} ]"
    SN_FLAGS='--indent 12 --spread --list'
    SN_COLS='60*'
    SN_ROWS=0
    export SN_TITLE
    export SN_SUBTITLE
    export SN_FLAGS
    export SN_COLS

    for group in *
    do
        cd "$group"
        if [ -e .outgoing ]
        then
            o=$(ls -la .outgoing |
                sed -e 's#.*-> ../.outgoing/##' |
                cut -d: -f 1)
            if [ "${old_server}" = "$o" ]
            then
                SN_ROWS=$((${SN_ROWS} + 1))
                eval relgroup_${SN_ROWS}='"$group"'
                eval SN_${SN_ROWS}_1=\"${group}\"
                export SN_${SN_ROWS}_1
                export SN_ROWS
            fi
        fi
        cd ..
    done

    numb=${SN_ROWS}

    if [ "${numb:-0}" -gt 0 ]
    then
        SN_QUESTION='View'
        export SN_QUESTION

        ask_tmpfile=$(${MKTEMP} -t XXXXXXXXXXXXX)
        ${CHOOSE} SN 1 > ${ask_tmpfile}
        rc=${?}
        read answer < ${ask_tmpfile}
        rm -f ${ask_tmpfile}

        # if ask break, ask returned 255
        if [ ${rc} = 255 ]
        then
            answer=0
        fi

        unset SN_FLAGS
        unset SN_SUBTITLE

        case ${answer} in
        '') :         ;;
        0)  exit 127  ;;
        esac
    fi

    cd "${OUTGOING}"
}
# ---------------------------------------------------------------------------
# del groups
# ---------------------------------------------------------------------------
del_groups()
{
    old_server="${1}"
    ask_tmpfile=$(/${MKTEMP} -t XXXXXXXXXXXXX)
    mecho -n --info "Remove all groups to"
    ${ASK} " '${old_server}'" > ${ask_tmpfile}
    rc=${?}
    read yesno < ${ask_tmpfile}
    rm -f ${ask_tmpfile}

    # if ask break, ask returned 255
    if [ ${rc} = 255 ]
    then
        yesno=no
    fi

    if [ "${yesno}" = "yes" ]
    then
        idx=0
        while [ "$idx" -lt "${numb:-0}" ]
        do
            idx=$(($idx + 1))
            eval group='$relgroup_'$idx
            touch /var/spool/news/.noservice
            su news -s /usr/bin/sh -c "/usr/sbin/sndelgroup $group 2>>/var/log/sn/snconf.log"
            mecho -n --info "Newsgroup"
            mecho -n " '${group}'"
            mecho --info " removed"
            rm -f /var/spool/news/.noservice
        done
        keep="no"
    else
        mecho --warn "Keeping groups, do not change anything."
        keep="yes"
    fi
}
# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

if [ ! -d "${OUTGOING}" ]
then
    echo
    mecho --warn "No external newsserver found."
    echo
    anykey
    exit 0
fi

cd "${OUTGOING}"

SN_TITLE="Delete external newsserver"
SN_FLAGS='--indent 12 --spread'
SN_COLS='40'
SN_ROWS=0
export SN_TITLE
export SN_FLAGS
export SN_COLS


for i in *
do
    SN_ROWS=$((${SN_ROWS} + 1))
    t=$(echo $i | cut -f 1 -d ':')
    eval server_${SN_ROWS}='"$t"'
    eval SN_${SN_ROWS}_1=\"${t}\"
    export SN_${SN_ROWS}_1
    export SN_ROWS
done

SN_QUESTION='Select'
export SN_QUESTION

    ask_tmpfile=$(${MKTEMP} -t XXXXXXXXXXXXX)
    ${CHOOSE} SN 1 > ${ask_tmpfile}
    rc=${?}
    read answer < ${ask_tmpfile}
    rm -f ${ask_tmpfile}

    # if ask break, ask returned 255
    if [ ${rc} = 255 ]
    then
        answer=0
    fi

    case ${answer} in
    '') exit 0    ;;
    0)  exit 127  ;;
    *)
        eval server='$server_'${answer}
        check_groups "$server"
        if [ "$numb" -eq 0 ]
        then
            echo
            mecho -n --info "No related groups found. Removing server"
            mecho " '${server}'"
            rm -rf "$server:119"
            break
        else
            del_groups "${server}"
            if [ "$keep" = "no" ]
            then
                mecho --info "all related groups removed"
                mecho -n --info "removing server"
                mecho " '${server}'"
                rm -rf "$server:119"
            else
                mecho -n "'${server}'"
                mecho --info " not removed"
            fi
            break
        fi
        ;;
    esac

echo
anykey
exit 0
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------