# mdmxen project - library for backup rotation

day_rotation(){
AMOUNT_OF_DAYS=$1
putlog "prepare archive"
putlog "remove old day - ${AMOUNT_OF_DAYS}"
rm -rf "$DAYS_DIR/${AMOUNT_OF_DAYS}"
ret=$?
if [[ $ret == "0" ]]
    then putlog "--- SUCCESS remove"
    else putlog "--- FAILURE remove. error code $ret. exit" ; exit 2 ;
fi

tt=""
for (( c=$AMOUNT_OF_DAYS; c>=1; c-- ))
do
        if [[ $c == $AMOUNT_OF_DAYS ]]
                then
                        let "y=$c-1"
                        if ! [[ $y == "0" ]]
                                then  tt=`echo "$y"`
                        fi
                else
                        let "y=$c-1"
                        if ! [[ $y == "0" ]]
                                then  tt=`echo "$tt $y"`
                        fi
        fi
done

for j in $tt
do
    let "pp=$j + 1"
    putlog "move day $j to $pp"
    mv "$DAYS_DIR/$j" "$DAYS_DIR/$pp"
    ret=$?
    if [[ $ret == "0" ]]
        then putlog "--- SUCCESS move dir $j to $pp"
        else putlog "--- FAILURE move dir $j to $pp. error code $ret. exit"; exit 3 ;
    fi
done


putlog "start create curren day dir"
mkdir -p $DAYS_DIR/1
ret=$?
if [[ $ret == "0" ]]
    then putlog "--- SUCCESS create current day dir"
    else putlog "--- FAILURE create current day dir. error code $ret. exit"; exit 4;
fi

putlog "move tmp to last day"
mv $TMP_DIR/* $TARGET_DIR/
ltest $?
}

month_rotation(){
AMOUNT_OF_MONTH=$1
putlog "test first day of month"
if [[ $(date +%d) == "01" ]]
then
    putlog "first day of month. start month copy and move"
    putlog "remove old dir"
    rm -rf $MONTHS_DIR/${AMOUNT_OF_MONTH}
    ret=$?
    if [[ $ret == "0" ]]
       then putlog "--- SUCCESS remmove dir ${AMOUNT_OF_MONTH}"
        else putlog "--- FAILURE remmove dir ${AMOUNT_OF_MONTH}"; exit 27;
    fi
tt=""
for (( c=$AMOUNT_OF_MONTH; c>=1; c-- ))
do
	if [[ $c == $AMOUNT_OF_DAYS ]]
	then
		let "y=$c-1"
                if ! [[ $y == "0" ]]
			then  tt=`echo "$y"`
		fi
                else
		let "y=$c-1"
		if ! [[ $y == "0" ]]
			then  tt=`echo "$tt $y"`
		fi
	fi
done
    for j in $tt
    do
    let "pp=$j + 1"
    putlog "move month $j to $pp"
    mv "$MONTHS_DIR/$j" "$MONTHS_DIR/$pp"
    ret=$?
    if [[ $ret == "0" ]]
       then putlog "--- SUCCESS move dir $j to $pp"
       else putlog "--- FAILURE move dir $j to $pp. error code $ret. exit"; exit 7;
    fi
    done
    putlog "create current month dir"
    mkdir -p $MONTHS_DIR/1
    ret=$?
    if [[ $ret == "0" ]]
        then putlog "--- SUCCESS create current monts dir"
       else putlog "--- FAILURE create current monts dir. error code $ret. exit"; exit 8;
    fi
    putlog "start copy current day to current month"
    cp -r $DAYS_DIR/1/* $MONTHS_DIR/1/
    ret=$?
    if [[ $ret == "0" ]]
        then putlog "--- SUCCESS copy"
        else putlog "--- FAILURE copy. error code $ret. exit" ; exit 9;
    fi
    putlog "stop month copy and move"
else
    putlog "skip month copy and move"
fi

}

day_rotation_state(){
DRS_AMOUNT_OF_DAYS=$1
putlog "prepare archive"
putlog "remove old day - ${DRS_AMOUNT_OF_DAYS}"
rm -rf "$DAYS_DIR/${DRS_AMOUNT_OF_DAYS}"
ltest_state "remove old day - ${DRS_AMOUNT_OF_DAYS}"

tt=""
for (( c=${DRS_AMOUNT_OF_DAYS}; c>=1; c-- ))
do
        if [[ ${c} == ${DRS_AMOUNT_OF_DAYS} ]]
                then
                        let "y=${c}-1"
                        if ! [[ ${y} == "0" ]]
                                then  tt=`echo "${y}"`
                        fi
                else
                        let "y=${c}-1"
                        if ! [[ ${y} == "0" ]]
                                then  tt=`echo "${tt} ${y}"`
                        fi
        fi
done

for j in ${tt}
do
    let "pp=${j} + 1"
    putlog "move day ${j} to ${pp}"
    mv "${DAYS_DIR}/${j}" "${DAYS_DIR}/${pp}"
    ltest_state "move day ${j} to ${pp}"
done


putlog "start create curren day dir"
mkdir -p ${DAYS_DIR}/1
ltest_state "start create curren day dir"
putlog "move tmp to last day"
mv ${TMP_DIR}/* ${TARGET_DIR}/
ltest_state "move tmp to last day"
}

month_rotation_state(){
AMOUNT_OF_MONTH=$1
putlog "test first day of month"
if [[ $(date +%d) == "01" ]]
then
    putlog "first day of month. start month copy and move"
    putlog "remove old dir"
    rm -rf $MONTHS_DIR/${AMOUNT_OF_MONTH}
    ltest_state "remove old dir"
tt=""
for (( c=$AMOUNT_OF_MONTH; c>=1; c-- ))
do
	if [[ $c == $AMOUNT_OF_DAYS ]]
	then
		let "y=$c-1"
                if ! [[ $y == "0" ]]
			then  tt=`echo "$y"`
		fi
                else
		let "y=$c-1"
		if ! [[ $y == "0" ]]
			then  tt=`echo "$tt $y"`
		fi
	fi
done
    for j in $tt
    do
    let "pp=$j + 1"
    putlog "move month $j to $pp"
    mv "$MONTHS_DIR/$j" "$MONTHS_DIR/$pp"
    ltest_state "move month $j to $pp"
    done
    putlog "create current month dir"
    mkdir -p $MONTHS_DIR/1
    ltest_state "create current month dir"
    putlog "start copy current day to current month"
    cp -r $DAYS_DIR/1/* $MONTHS_DIR/1/
    ltest_state "start copy current day to current month"
    putlog "stop month copy and move"
else
    putlog "skip month copy and move"
fi

}

backuper_prepare_rotation_state(){
	#okfile
	BPR_OKFILE="bone.txt"
	#mkdir bin
	MKDIR_BIN="/usr/bin/mkdir"
	#mv bin
	MV_BIN="/usr/bin/mv"

	#default status
	BPR_DEF_FN_STATUS="0"
	#current status
	BPR_CUR_FN_STATUS="${BPR_DEF_FN_STATUS}"
	if [[ ! ( -z ${1} && -z ${2}  && -d ${1} && -d ${2} ) ]]
	then
		for BPR_CUR_DIR in `ls ${1}`;
		do
			if [[ -f ${1}/${BPR_CUR_DIR}/${BPR_OKFILE} ]]
			then
				putlog "Check directory: ${2}/${BPR_CUR_DIR}"
				if [[ -d ${2}/${BPR_CUR_DIR} ]]
				then
					#skip
					send_error_to_log "Directory ${2}/${BPR_CUR_DIR} exists. Skipping"
					BPR_CUR_FN_STATUS="1"
				else
					#move
					putlog "Make directory: ${2}/${BPR_CUR_DIR}"
					${MKDIR_BIN} ${2}/${BPR_CUR_DIR}
					ltest_state "Mkdir ${BPR_CUR_DIR}"

					putlog "Moving files"
					for BPR_CUR_FILE in `ls ${1}/${BPR_CUR_DIR}`
					do
						putlog "Move ${1}/${BPR_CUR_DIR}/${BPR_CUR_FILE}"
						${MV_BIN} ${1}/${BPR_CUR_DIR}/${BPR_CUR_FILE} ${2}/${BPR_CUR_DIR}/
						ltest_state "Move ${BPR_CUR_FILE}"
					done
				fi
			else
				#OKFILE NOT EXIST
				putlog "${1}/${BPR_CUR_DIR}/${BPR_OKFILE} not exist. Skipping"
			fi
		done
	fi
	if [[ ${BPR_CUR_FN_STATUS} == ${BPR_DEF_FN_STATUS} ]]
	then
		[[ "1" == "1" ]]
	else
		[[ "1" == "0" ]]
	fi
}

backuper_rotation_days_state(){
	BRDS_DEF_FN_STATUS="0"
	BRDS_CUR_FN_STATUS="${BRDS_DEF_FN_STATUS}"

	putlog "Start rotation"
	send_state "on rotation"

	if [[ ! -z ${1} ]]
	then
		BRDS_AMOUNT_OF_DAYS=${1}
		putlog "Start moving files from ${COL_TARGET}"
		backuper_prepare_rotation_state "${COL_TARGET}" "${TMP_DIR}"
		if [[ ${?} -ne "0" ]]
		then
			BRDS_CUR_FN_STATUS="1"
		else
			putlog "Moving files done"

			putlog "Rotate dirs..."
			day_rotation_state ${BRDS_AMOUNT_OF_DAYS}
			putlog "Finish rotate dirs"
		fi
	else
		send_error_to_log "amount of days not set. skipping"
		BRDS_CUR_FN_STATUS="1"
	fi	

	if [[ ${BRDS_CUR_FN_STATUS} == ${BRDS_DEF_FN_STATUS} ]]
	then
		[[ "1" == "1" ]]
	else
		[[ "1" == "0" ]]
	fi
	putlog "Finish rotation"
}