#!/usr/bin/env bash

# Copyright (C) 2015 Mark Schouten <mark@tuxis.nl>
#
# 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; version 2 dated June,
# 1991.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# See http://www.gnu.org/licenses/gpl.txt for the full license

plugdir=/usr/lib/check_mk_agent/plugins
repodir=/usr/lib/check_mk_agent/repo

findscripts() {
    find ${repodir} -type f | sed -e "s#$repodir/##g"
}

script_enabled() {
    s=$1

    if [ -L ${plugdir}/${s} ]; then
        echo "yes"
    else
        echo "no"
    fi
}

enable_script() {
    s=$1

    ln -s ${repodir}/${s} ${plugdir}/${s}
    echo "Enabled $s"
}

scripts=$(findscripts)

if [ ! -z "$1" ]; then
    s=$1
else
    echo "Which plugin do you want to enable?"
    echo ${scripts}
    read s
fi

echo "Enabling $s"

if [ ! -z "$s" ]; then
    if [ ! -r ${repodir}/${s} ]; then
        echo "Plugin $s does not exist!"
        exit 1
    fi

    if [ `script_enabled $s` != "yes" ]; then
        enable_script $s
    fi
fi