#----------------------------------------------------------------------------
# /_ADMIN/eislerlib - library for eisfair _ADMIN/ scripts
#
# Creation   :  2007-09-03 hbfl
# Last Update:  $Id$
#
# Copyright (c) 2007-2012 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.
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
# include the following sub functions
#
# to create *eislists
#       get_package_folder_number
#       create_package_subfolder
#       set_package_right
#
#
#       text_color [--info, --warn, --std]
#       clearhome
#       anykey
#       gotoyx
#       refresh_screensize
#       second_question
#       is_numeric
#       first_question
#       parse_info_file
#


#
# give datestamps
#
pdate=$(date +%Y-%m-%d)
ptime=$(date +%H:%M)
pyear=$(date +%Y)

ECHO=/bin/echo
EXPR=/usr/bin/expr

# ---------------------------------------------------------------------------
# sub: get package folder number
# ---------------------------------------------------------------------------
get_package_folder_number()
{
    folder_number=$(cat folder-counter)
    ${EXPR} ${folder_number} + 1 >folder-counter
}

# ---------------------------------------------------------------------------
# sub: create package subfolder
# ---------------------------------------------------------------------------
create_package_subfolder ()
{
    mkdir -p ${folder_number}
    chmod -f 0775 ${folder_number}
    chgrp -f fleis  ${folder_number}
}

# ---------------------------------------------------------------------------
# sub: set package right
# ---------------------------------------------------------------------------
set_package_right ()
{
    chmod -f 0664 ${folder_number}/*
    chgrp -f fleis  ${folder_number}/*
}

# ---------------------------------------------------------------------------
# sub: clrhome
# ---------------------------------------------------------------------------
clrhome ()
{
    ${ECHO} -e "\033[H\033[2J\c"
}

# ---------------------------------------------------------------------------
# sub: anykey
# ---------------------------------------------------------------------------
anykey ()
{
    ${ECHO} -n "Press ENTER to continue"
    read dummy
}

# ---------------------------------------------------------------------------
# sub: text color
# ---------------------------------------------------------------------------
text_color ()
{
    case ${1} in
    --std|-std)
        ${ECHO} -e "\033[0m\c";
        ;;
    --info|-info)
        # green
        ${ECHO} -e "\033[32m\c";
        ;;
    --warn|-warn)
        # yellow
        ${ECHO} -e "\033[33m\033[1m\c";
        ;;
    esac
}

# ---------------------------------------------------------------------------
# sub: goto y x
# ---------------------------------------------------------------------------
gotoyx ()
{
    ${ECHO} -e "\033[$1;$2H\c";
}

# ---------------------------------------------------------------------------
# sub: refresh screensize
# ---------------------------------------------------------------------------
refresh_screensize ()
{
    eval $(/usr/bin/resize 2>/dev/null)
        _EISLIB_SCREENSIZE_X="${COLUMNS:=$_EISLIB_SCREENSIZE_X_MIN}"
        _EISLIB_SCREENSIZE_Y="${LINES:=$_EISLIB_SCREENSIZE_Y_MIN}"
}

# ---------------------------------------------------------------------------
# sub: second question
# ---------------------------------------------------------------------------
second_question ()
{
    text_color -warn
    ${ECHO} -n "Please answer (1-${max_list}, ENTER=Return, 0=Exit)! "
    text_color -std
}

# ---------------------------------------------------------------------------
# sub: is_numeric
# check if numeric value
# input : $1 - value
# return:  0 - numeric
#          1 - no numeric
# ---------------------------------------------------------------------------
is_numeric ()
{
    echo "${1}" | grep -q '^[0-9]*$'
}

# ---------------------------------------------------------------------------
# sub: first question
# ---------------------------------------------------------------------------
first_question ()
{
    refresh_screensize
    echo
    echo
    echo
    echo
    gotoyx $(${EXPR} "${_EISLIB_SCREENSIZE_Y}" - 3) 1
    echo

    # set info line to screen is $max_list + 6 -gt $LINES
    if [ ${_EISLIB_SCREENSIZE_Y} -lt $(${EXPR} "${max_list}" + 6) ]
    then
        text_color -info
        echo "Use SHIFT + PAGE-UP to scroll up"
        text_color -std
    else
        echo
    fi

    ${ECHO} -n "Select (1-${max_list}, ENTER=Return, 0=Exit)? "
}

# ---------------------------------------------------------------------------
# sub: parse info file
# ---------------------------------------------------------------------------
parse_info_file ()
{
    FNAME="${1}"

    _pkg_name=''
    _pkg_short=''
    _pkg_date=''
    _pkg_version=''
    _pkg_status=''
    _pkg_section=''
    _pkg_system=''

    while read a
    do
        case "${a}" in
        "<name>"*)
            _pkg_name=$(echo "${a}" | sed 's#</*name>##g')
            ;;
        "<short>"*)
            _pkg_short=$(echo "${a}" | sed 's#</*short>##g')
            ;;
        "<date>"*)
            _pkg_date=$(echo "${a}" | sed 's#</*date>##g')
            ;;
        "<version>"*)
            _pkg_version=$(echo "${a}" | sed 's#</*version>##g')
            _pkg_version_index=$(echo "${a}" | sed 's#</*version>##g')
        # change for eisman  
        #    _pkg_version_index=$(echo "${a}" | sed -e 's#<version>\([0-9\.]*\).*</version>#\1#')
            ;;
        "<status>"*)
            _pkg_status=$(echo "${a}" | sed 's#</*status>##g')
            ;;
        "<section>"*)
            _pkg_section=$(echo "${a}" | sed 's#</*section>##g')
            ;;
        "<system>"*)
            # select the system to install from package
            _package_system="$(echo "${a}" | sed 's#</*system>##g; s# #-#')"

            if [ -z "${_pkg_system}" ]
            then
                _pkg_system=${_package_system}
            else
                # check if '_package_system' includet in '_pkg_system'
                if ! $(echo "${_pkg_system}" | grep -q "${_package_system}")
                then
                    _pkg_system="${_pkg_system};"${_package_system}
                fi
            fi
            ;;
        esac
    done  <${FNAME}

    # set the default '<system>eisfair-1'
    if [ -z "${_pkg_system}" ]
    then
        _pkg_system="eisfair-1"
    fi
}
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------