#!/bin/sh

# le variabili di uscita sono SET, SHIFT e LEVEL (= SHIFT - 1)

SETS=$(sqlite3 /work/hosts/default/conf/db/settings.sqlite "select value from settings where code='BACKUP-SETS'")
SHIFTS=$(sqlite3 /work/hosts/default/conf/db/settings.sqlite "select value from settings where code='BACKUP-SHIFTS'")

if [ "$SETS" == "" ]
then
	SETS=2
fi

if [ "$SHIFTS" == "" ]
then
	SHIFTS=7
fi

SETS=$(( SETS + 1 ))

DAY=$(date +%s)
DAY=$(( DAY / 24 / 60 / 60 ))

TOTSHIFTS=$(( SETS * SHIFTS ))
SHIFT=$(( DAY % SHIFTS + 1 ))
TEMP1=$(( DAY % TOTSHIFTS ))
SET=$(( TEMP1 / SHIFTS + 1 ))
LEVEL=$(( SHIFT - 1 ))
