#!/bin/sh
#------------------------------------------------------------------------------
# /var/install/bin/capi2text-check-number-settings - check phone number settings
#
# Copyright (c) 2009-2024  The Eisfair Team, team(at)eisfair(dot)org
#
# Creation   : 2009-10-01 jed
# Last Update: $Id$
#
# Usage: capi2text-check-number-settings [-simulate phone-number]
#
# 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.
#------------------------------------------------------------------------------

# read eislib etc.
. /var/install/include/eislib
. /var/install/include/jedlib

# activate debug output
#debug_capi2text=true
if ${debug_capi2text:-false}
then
    exec 2> /tmp/$(basename ${0})-trace-$$.log
    set -x
    ask_debug=true
    export ask_debug
fi

configfile=/etc/config.d/capi2text
logfile=/var/log/messages

if [ "$1" = "-simulate" ]
then
    # remove non numeric values and spaces
    sresult="`echo "$2" | sed -e 's/^[^0-9].*//g' -e 's/ *//g'`"

    # simulate 'phone number not found'
    if [ "${sresult}" = "999" ]
    then
        sresult=' '
    fi
fi

if [ -z "${sresult}" ]
then
    sresult=''
fi

if [ -f "${configfile}" ]
then
    # read configuration
    . ${configfile}

    # country code
    if [ -z "${CAPI2TEXT_DEFAULT_CCODE}" ]
    then
        CAPI2TEXT_DEFAULT_CCODE='49'
    fi

    clrhome
    mecho --info "check phone number settings"
    mecho

    if /var/install/bin/ask "Have you finished your Capi2Text configuration" "n"
    then
        # configuration done, go on ...
        if /var/install/bin/ask "Have you done an external test call" "n"
        then
            # test call successfully done, go on ...
            mecho
            mecho --info "Reading phone number from log file ..."

            if [ -z "${sresult}" ]
            then
                # read phone number from logfile
                # kernel: capidrv-1: incoming call 00172334455,1,1,21
                # listen2fritz[11790]: incoming call from 00172334455 -> 0 00492131445566
                sresult=`grep -E "kernel:.*incoming call |listen2fritz[[0-9]*]: incoming call " ${logfile} | grep -v "incoming call *," | \
                         grep -v "call 0*${CAPI2TEXT_DEFAULT_CCODE}" | tail -1 | \
                         sed -e 's/^.*incoming call from //' -e 's/^.*incoming call //' -e 's/,.*$//' -e 's/->.*$//' -e 's/ *//g'`
            else
                sresult=`echo "${sresult}" | sed 's/ *//g'`
            fi

            if [ -n "${sresult}" ]
            then
                # phone number number read, go on ...
                mecho
                mecho -n "Found number: "
                mecho --warn "${sresult}"
                mecho

                # count leading zeros
                zstr=`echo "${sresult}" | sed 's/[^0].*$//'`

                if [ -z "${zstr}" ]
                then
                    zcount=0
                else
                    zcount=`expr length ${zstr}`
                fi

                zmax=1
#               if /var/install/bin/ask "Does the phone number contain a country code, e.g. 49 for Germany" "n"
#               then
#                   zmax=2
#               fi

                mecho
                mecho --info "Checking settings ..."
                mecho
                mecho -n "Current settings: "
                mecho --warn "CAPI2TEXT_NUMBER_TRIMLEADING='${CAPI2TEXT_NUMBER_TRIMLEADING}'"
                mecho -n "                  "
                mecho --warn "CAPI2TEXT_NUMBER_ADDCHARS='${CAPI2TEXT_NUMBER_ADDCHARS}'"
                mecho

                # compare values
#               if [ ${zcount} -eq ${zmax} ]
#               then
#                   # everything ok
#                   trimchar='0'
#                   addchar=''
#               elif [ ${zcount} -le ${zmax} ]
#               then
#                   # add one zero
#                   trimchar='0'
#                   addchar='0'
#               else
#                   # remove n zeros
#                   trimchar="`expr ${zcount} - 1`"
#                   addchar=''
#               fi

                if [ ${zcount} -gt 0 ]
                then
                    trimchar="${zcount}"
                else
                    trimchar=''
                fi

                addchar=''

                if [ ${trimchar} -ne `echo "${CAPI2TEXT_NUMBER_TRIMLEADING}" | sed 's/^[zZ]//'` -o \
                    "${CAPI2TEXT_NUMBER_ADDCHARS}" != "${addchar}" ]
                then
                    mecho -n "recommended settings: "
                    mecho --info "CAPI2TEXT_NUMBER_TRIMLEADING='${trimchar}'"
                    mecho -n "                      "
                    mecho --info "CAPI2TEXT_NUMBER_ADDCHARS='${addchar}'"
                    mecho
                    mecho --info "Please update your configuration!"
                else
                    mecho --info "The settings seem to be ok."
                fi

                mecho
            else
                mecho --error "Unable to read phone number from logfile, check aborted!"
            fi
        else
            mecho --warn "Check aborted!"
        fi
    else
        mecho --warn "Check aborted!"
    fi

    anykey
else
    mecho --error "No configuration file '${configfile}' found!"
    anykey
fi

exit 0