#!/bin/bash

DATA_DEVICE_UUID="C6CE6C2BCE6C1649"
MOUNT_PATH="/mnt/extern"
DATA="${MOUNT_PATH}/timelapse"
CLIENT="timelapse@192.168.111.2"
CLIENT_FOLDER="/timelapse"

if [[ "${1}" =~ [0-9]+ ]]
then
	MONTH=${1}
	if [ `expr length ${MONTH}` -lt 2 ]
	then
		MONTH="0${MONTH}"
	fi
else
	MONTH=`date --date="1 month ago" +%m`
fi
YEAR=`date --date="1 month ago" +%Y`

mountpoint -q ${MOUNT_PATH}
if [ ${?} != 0 ]
then
	sudo mount --uuid ${DATA_DEVICE_UUID} -o uid=1000,gid=1000,umask=0022 ${MOUNT_PATH} || echo "Cannot mount data device with UUID ${DATA_DEVICE_UUID}!"; exit 1
fi

if [ ! -e "${DATA}" ]
then
	mkdir -p ${DATA}
fi

if [ ! -e "${DATA}/video" ]
then
	mkdir -p "${DATA}/video"
fi

# sort files
mkdir -p "${DATA}/monthly"
monthly_counter=0
for i in `find ${DATA}/data/ -name "${YEAR}${MONTH}*.jpg"`
do
	monthly_counter=$((monthly_counter + 1))
	if [ ${monthly_counter} -ge 30 ]
	then
		if [ ! -e "${DATA}/monthly/`basename ${i}`" ]
		then
			ln ${i} "${DATA}/monthly"
		fi
		monthly_counter=0
	fi
done