#!/bin/bash

#
# cantata-remote
#
#  Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
#
#  ----
#
#  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.
#
#  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; see the file COPYING.  If not, write to
#  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#  Boston, MA 02110-1301, USA.
#
#  ---------------------------------------------------------------------
#
#  This shell scrpt is intended to be invoked from the Cantata badge on
#  the unity task bar.
#

function usage() {
    echo "$0 cantata <cantata action>"
    echo "$0 <mpris action>"
}

if ([ $# -eq 2 ] && [ "cantata" != "$1" ])  || [ $# == 0 ] || [ $# -gt 2 ] ; then
    usage
fi

if [ $1 = "cantata" ] ; then
    path="/cantata"
	methodPrefix=dog.unix.cantata.Cantata
    method="triggerAction"
    methodArgument=$2
else
    path=/org/mpris/MediaPlayer2
    methodPrefix=org.mpris.MediaPlayer2.Player
    method=$1
fi

service=dog.unix.cantata.Cantata

# If we have qdbus use that...
qt=`which qdbus`
if [ "$qt" != "" ] ; then
    $qt $service > /dev/null
    if [ $? -ne 0 ] ; then
        # Cantata not started? Try to start...
        cantata &
        sleep 1s
    fi
    $qt $service $path $method $methodArgument > /dev/null
    exit
fi

# No qdbus so try dbus-send...
dbus=`which dbus-send`
if [ "$dbus" != "" ] ; then
    status=`$dbus --print-reply --reply-timeout=250 --type=method_call --session --dest=$service $path org.freedesktop.DBus.Peer.Ping 2>&1 | grep "org.freedesktop.DBus.Error.ServiceUnknown" | wc -l`
    if [ "$status" != "0" ] ; then
        # Cantata not started? Try to start...
        cantata &
        sleep 1s
    fi
    if [ "$methodArgument" != "" ] ; then
        methodArgument="string:$methodArgument"
    fi
    echo "dbus-send --type=method_call --session --dest=$service $path $methodPrefix.$method $methodArgument"
    dbus-send --type=method_call --session --dest=$service $path $methodPrefix.$method $methodArgument
fi
