#!/bin/bash
WORKING_DIR="/storage/era/iaudio"
LOG_FILE="$WORKING_DIR/logs/transfer.$(date +%Y-%m-%d)"
MUSIC_DIR="/storage/era/music/"
IAUDIO_LAST="/media/iAudio/.scrobbler.log"
IAUDIO_DIR="/media/iAudio/music/"
IAUDIO_MOUNTED="/media/iAudio/.iaudio.mounted"

cd "$WORKING_DIR"

function r_exit() {
        sync
        exit $1
}

let i=1
while [ -e "$LOG_FILE.$i" ]; do
        let i++
done
LOG_FILE="$LOG_FILE.$i"

echo -n "Date: " >> "$LOG_FILE"
date >> "$LOG_FILE"
echo -n "Load:" >> "$LOG_FILE"
uptime >> "$LOG_FILE"
echo >> "$LOG_FILE"


# i know this is lazy....
if [ "$(ps aux | grep rsync &>/dev/null|wc -l)" -gt 1 ] ; then
        /usr/bin/logger "rsync already running"
        r_exit 4
fi
if [ ! -e "$IAUDIO_MOUNTED" ]; then
        /usr/bin/logger "could not find iaudio (no .iaudio.mounted)"
        r_exit 5
fi

# try to run scrobbler
/storage/era/bin/rockscrobbler.pl -u remiss -p douglas -f "$IAUDIO_LAST" 2>&1 >> "$LOG_FILE"
echo > "$IAUDIO_LAST"

#echo "not running incoming rsync"
rsync --progress --recursive --exclude-from="$WORKING_DIR/listonupdate" --times --modify-window=5 "$IAUDIO_DIR" "$MUSIC_DIR" 2>&1 >> "$LOG_FILE"
ret_i=$?
# required because empty dirs get's copied
cd "$MUSIC_DIR"
echo "Removing empty dirs" >> "$LOG_FILE"
find -mindepth 1 -depth -type d -exec rmdir --ignore-fail-on-non-empty '{}' \; >> "$LOG_FILE"
cd "$WORKING_DIR"
rsync --progress --recursive --delete-excluded --delete-during --exclude-from="$WORKING_DIR/exclude" --times --modify-window=5 "$MUSIC_DIR" "$IAUDIO_DIR" 2>&1 >> "$LOG_FILE"
ret_o=$?

echo -en "\nLoad:" >> "$LOG_FILE"
uptime >> "$LOG_FILE"
echo >> "$LOG_FILE"
echo "$ret_i:$ret_o" >> "$LOG_FILE"
cd "$MUSIC_DIR"
find -type f |sed s/^.\\/// > "$WORKING_DIR/listonupdate"
r_exit 0