#!/bin/sh
#---------------------------------------------------------------------------
# /var/install/bin/install-local-package - install package from local harddisk
#
# Creation:     2005-10-03  jed
# Last Update:  $Id$
#
# Copyright (c) 2001-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org
#
# usage: install-local-package
#    or: install-local-package directory-name
#    or: install-local-package index-number of directory
#    or: install-local-package --add-menu
#    or: install-local-package --del-menu
#
# options: --add-menu   - add menu entry to package menu
#          --del-menu   - remove menu entry to package menu
#
# 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
. /var/install/include/eismanlib

# debug mode: true/false
#debug=true

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

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


#---------------------------------------------------------------------------
# check directory list file
# $1 - directory to add
#---------------------------------------------------------------------------
add_to_dirlist ()
{
    dirname="$1"

    if [ -f ${dirlist_file} ]
    then
        # file exist - add to existing file
        last_dirname="`sed -n '1p;1q' $dirlist_file`"

        # add to file if not equal last entry
        cp ${dirlist_file} ${dirlist_file}.tmp

        {
            echo "$dirname"
            grep -v "^${dirname}$" ${dirlist_file}.tmp
        } | sed '11,$d' > ${dirlist_file}

        rm -f ${dirlist_file}.tmp
    else
        # create new file
        echo "$dirname" > ${dirlist_file}
    fi
}


#---------------------------------------------------------------------------
# show last 10 directory entries
#---------------------------------------------------------------------------
show_dirlist ()
{
    idx=0

    if [ -f ${dirlist_file} ]
    then
        max_lines=`cat ${dirlist_file} | wc -l`

        if [ $max_lines -ge 1 ]
        then
            # print only if more than one entry
            mecho "Previous selections:"
            mecho

            techo --begin '1 3r 2 65'

            while read line
            do
                idx=`expr $idx + 1`

                techo --row "" $idx "" $line
            done < ${dirlist_file}

            techo --end
        fi
    fi
}


#===========================================================================
# main
#===========================================================================

rundir=/run
tmp_dir=/var/install

if [ ! -d ${tmp_dir} ]
then
    mkdir -p ${tmp_dir}
fi

if [ -f ${rundir}/install-local-package-list ]
then
    mv ${rundir}/install-local-package-list ${tmp_dir}/
fi

dirlist_file=${tmp_dir}/install-local-package-list

pgmname=`basename $0`

if [ ! -f ${dirlist_file} ]
then
    echo "/var/tmp" >${dirlist_file}
fi

# check for CUI menu
if $(grep -qE "^MENU=['\"]/var/install/bin/show-menu.cui['\"]" /etc/config.d/setup)
then
    browser="/var/install/bin/browse-packages.cui.sh"
else
    browser='/var/install/bin/browse-packages'
fi


# read parameters
noask=0
if [ $# -gt 0 ]
then
    while [ $# -ne 0 -a $noask -eq 0 ]
    do
        case $1 in
            '--add-menu'|'-add-menu')
                /var/install/bin/add-menu --script "setup.packages.menu" install-local-package "Install (new) package from local directory"
                exit 1
                ;;
            '--del-menu'|'-del-menu')
                /var/install/bin/del-menu "setup.packages.menu" install-local-package
                exit 1
                ;;
            *)
                package_dir="$*"
                noask=1
                ;;
        esac
    done
fi

u_exit=0
until [ ${u_exit} -eq 1 ]
do
    # read number of entries
    if [ -f ${dirlist_file} ]
    then
        maxnum=`cat ${dirlist_file} | wc -l`
    else
        maxnum=0
    fi

    if [ $noask -eq 0 ]
    then
        clrhome
        mecho --info "Enter package directory"
        mecho

        # show previous selections
        show_dirlist

        mecho

        if [ $maxnum -ge 1 ]
        then
            preselectstr="`sed -n '1p;1q' $dirlist_file`"
        else
            preselectstr=''
        fi

        # create menu addition
        if [ $maxnum -ge 1 ]
        then
            selectstr="1-$maxnum"
        else
            selectstr=''
        fi

        _ask_file=`/bin/mktemp -t ${pgmname}-ask.XXXXXXXXX`
        /var/install/bin/ask "Enter local package directory (absolute path) (${selectstr}, ENTER=Return, 0=Exit)" "${preselectstr}" "*" > ${_ask_file}
        rc=$?
        package_dir="`cat ${_ask_file} | sed 's/\/$//'`"
        rm -f ${_ask_file}

        if [ $rc = 255 ]
        then
            exit 127
        fi
    fi

    case "$package_dir" in
    '') # quit program
        exit 0
        ;;
    0)
        exit 127
        ;;
    * ) # go on...
        u_exit=0
        if is_numeric $package_dir
        then
            # numeric value - read from directory list file
            if [ $package_dir -lt 1 -o $package_dir -gt $maxnum ]
            then
                # error
                if [ -f $dirlist_file ]
                then
                    mecho --error "Value out of range!"
                else
                    mecho --error "Invalid input because no $dirlist_file
                    exists!"
                fi

                if [ $noask -eq 0 ]
                then
                    u_exit=2
                    anykey
                else
                    # called from command line - exit
                    u_exit=1
                fi
            else
                # read from directory list
                package_dir="`sed -n \"${package_dir}p;${package_dir}q\" $dirlist_file`"
            fi
        fi

        if [ $u_exit -eq 0 ]
        then
            if [ -d "$package_dir" ]
            then
                # check if it is equal /tmp
                echo "$package_dir" | grep -q "^/tmp$"

                if [ $? -ne 0 ]
                then
                    # build URL from path
                    url="file://$(realpath ${package_dir})"

                    # add packages from local dir
                    eisman localdir "${package_dir}"

                    # perform query
                    eisman query --unstable --url="${url}" > /tmp/query$$.txt

                    # show packages
                    ${browser} --install /tmp/query$$.txt

                    # flush packages
                    eisman flushurl "${url}"

                    # remove query file
                    rm /tmp/query$$.txt

                    # add package dir to dir list file, if packages have been found
                    if [ -n "$(find "${package_dir}" -name "*.info")" ]
                    then
                        add_to_dirlist "${package_dir}"
                    fi
                fi
                u_exit=1
            else
                mecho --error "Directory '$package_dir' doesn't exist!"

                if [ $noask -eq 0 ]
                then
                    anykey
                else
                    # exit if called from command line
                    u_exit=1
                fi
            fi
        fi
        ;;
    esac
done


#===========================================================================
# end
#===========================================================================