#!/usr/bin/env sh

#to use remote option add to .profile:
# export TRNS_IP=REMOTE TRANSMISSION IP

ARGS="$@"
IP="127.0.0.1"

DIR="$TRNS_DL_DIR"

help() {
    echo "add a torrent to a currently running transmission-daemon, requires that transmission-daemon is running on this machine, or on a server, and that"
    echo "    the current machine has the program transmission-remote installed. If using remote option, ensure the remote daemon config has your local machine's"
    echo "    IP address added to it's whitelist"
    echo ""
    echo "    If adding a torrent locally (without -r), the script trans-init will be called to initialize the transmission-daemon on the local machine if it is not already running"
    echo ""
    echo "usage:"
    echo "   trans-add URL                         -> add magnet link to transmission-daemon running on local machine"
    echo "   trans-add -r URL                      -> add magnet link to transmission-daemon running on remote machine, IP address is defined by \$TRNS_IP environment variable"
    echo "   trans-add -r URL path/to/directory/   -> add magnet link to transmission-daemon running on remote machine, set download dir to be path defined by \$TRNS_DL_DIR/path/to/directory"
    echo "   trans-add URL path/to/directory/   -> add magnet link to transmission-daemon running on local machine, set download dir to be path defined by \$TRNS_DL_DIR/path/to/directory"
    echo "   trans-add FILE                        -> add .torrent file to transmission-daemon running on local machine"
    echo "   trans-add -r FILE                     -> add .torrent file to transmission-daemon running on remote machine"
    echo "   trans-add -h                          -> display this help message"
    echo ""

    exit
}


[ "$#" = "0" ] && help
[ "$1" = "-h" ] && help
[ "$1" = "--help" ] && help

if [ "$1" = "-r" ]; then
    ARGS="$2"
    IP="$TRNS_IP"
    if [ "$3" ]; then
        DIR="$DIR/$3"
    fi

else
    trans-init

    if [ "$2" ]; then
        DIR="$DIR/$2"
    fi
    IP="localhost"
fi

RSP="$(transmission-remote "$IP":9091 -a "$ARGS" -w "$DIR" )"
notify-send "trans-add remote:" "adding: $RSP  to dir: $DIR"