#!/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/coturn-pre-view-logfile
#
# Copyright (c) 2020-2021  The Eisfair Team, team(at)eisfair(dot)org
#
# Creation:     2020-01-15 jed
# Last Update:  $Id$
#
# 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
. /var/install/include/eislib

pgmname=`basename $0`
module_name=`basename -s .sh ${pgmname} | cut -d- -f1`

# debug mode: true/false
#debug=true
if ${debug:-false}
then
    exec 2>/tmp/${pgmname}-trace$$.log
    set -x
    ask_debug=true
    export ask_debug
fi

#----------------------------------------------------------------------------
# create logfile view header
#----------------------------------------------------------------------------
create_logfile_view_menu_header ()
{
    {
        echo "<title>Logfile view</title>"
        echo "<package>${module_name}</package>"
        echo "<!-- ${menu_file} -->"
        echo "<!-- Creation:  $(/bin/date +%Y-%m-%d) by /var/install/bin/${pgmname} -->"

    } > ${menu_file}
    chmod 0644 ${menu_file}
}

#----------------------------------------------------------------------------
# create logfile view entry
#----------------------------------------------------------------------------
create_logfile_view_menu ()
{
    local _clvm_idx=1
    local _clvm_log_file
    local _clvm_datestr

    {
        find ${logdir} -name "turnserver_20[0-9][0-9]-[01][0-9]-[0-3][0-9].log" | \
            sort -r | while read _clvm_log_file
        do
            # /var/log/coturn/turnserver_2020-01-15.log
            # /var/log/coturn/turnserver_2020-01-13.log
            _clvm_datestr=`basename "${_clvm_log_file}" .log | sed 's/^turnserver_//'`

            echo "<doc tail=\"yes\" file=\"${_clvm_log_file}\">"View log file from ${_clvm_datestr}"</doc>"

            if [ ${_clvm_idx} -eq 10 ]
            then
                # show not more than 10 log files
                break
            fi

            _clvm_idx=`expr ${_clvm_idx} + 1`
        done
    } >> ${menu_file}
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

logdir=/var/log/${module_name}
menu_file=/var/install/menu/setup.services.${module_name}.logfileview.menu

pack_start=`grep -m 1 "^START_COTURN *=" /etc/config.d/${module_name} | sed 's/^[A-Z0-9_]* *= *.\([yesno]*\).*$/\1/'`
log_nbr=`find ${logdir} -name "turnserver_20[0-9][0-9]-[01][0-9]-[0-3][0-9].log" | wc -l`

if [ "${pack_start}" = 'yes' -a ${log_nbr} -gt 0 ]
then
    create_logfile_view_menu_header
    create_logfile_view_menu
else
    create_logfile_view_menu_header

    mecho
    mecho --warn "Parameter START_COTURN='no' has been set!"
    mecho
    anykey
fi

# ---------------------------------------------------------------------------
#  end
# ---------------------------------------------------------------------------
exit 0