#
#    NEPI, a framework to manage network experiments
#    Copyright (C) 2013 INRIA
#
#    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 3 of the License, or
#    (at your option) any later version.
#
#    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.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Author: Alina Quereilhac <alina.quereilhac@inria.fr>

RPM_FUSION_URL = 'http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm'
RPM_FUSION_URL_F12 = 'http://download1.rpmfusion.org/free/fedora/releases/12/Everything/x86_64/os/rpmfusion-free-release-12-1.noarch.rpm'

# TODO: Investigate using http://nixos.org/nix/

def install_packages_command(os, packages):
    if not isinstance(packages, list):
        packages = [packages]

    cmd = "( %s )" % install_rpmfusion_command(os)
    for p in packages:
        cmd += " ; ( rpm -q %(package)s || sudo -S yum -y install %(package)s ) " % {
                    'package': p}
    
    #cmd = ((rpm -q rpmfusion-free-release || sudo -s rpm -i ...) ; (rpm -q vim || sudo yum -y install vim))
    return " ( %s )" % cmd 

def remove_packages_command(os, packages):
    if not isinstance(packages, list):
        packages = [packages]

    cmd = ""
    for p in packages:
        cmd += " ( rpm -q %(package)s && sudo -S yum -y remove %(package)s ) ; " % {
                    'package': p}

    #cmd = (rpm -q vim || sudo yum -y remove vim) ; (...)
    return cmd 

def install_rpmfusion_command(os):
    cmd = "rpm -q rpmfusion-free-release || sudo -S rpm -i %(package)s"

    if os == "f12":
        cmd =  cmd %  {'package': RPM_FUSION_URL_F12}
    elif os == "f14":
        # This one works for f13+
        cmd = cmd %  {'package': RPM_FUSION_URL}
    else:
        cmd = ""

    return cmd