#!/bin/sh

HOUR=$(date +%H)
IFS=";"
while read DATE CURRENCY COIN PRICE FEE BUYRATE;
do
	weeklyMax=$(rrdtool fetch rrd/crypto-${CURRENCY}.rrd AVERAGE --start -7d | grep -v -- '-nan' | sort -n -k 2 | tail -1 | awk '{print $2}' | sed 's/e+/ * 10^/g; s/e-/ * 10^-/g;' | bc -l)
	current=$(rrdtool fetch rrd/crypto-${CURRENCY}.rrd LAST --start -10m | grep -v -- '-nan' | tail -1 | awk '{print $2}' | sed 's/e+/ * 10^/g; s/e-/ * 10^-/g' | bc -l)
	curValue=$(echo "$COIN * $current - $FEE" | bc)
	curProfit=$(printf "%0.2f" $(echo "$curValue - $PRICE" | bc))
	maxDiff=$(echo "(($weeklyMax) - ($current)) / ($weeklyMax) * 100" | bc)

	if [ "$CURRENCY" == "BTC" ] && [ "${current%%.*}" -lt "5000" ];
	then
		echo "[$CURRENCY] low exchange rate: $current EUR/${CURRENCY}\n  => Buy more?"
		continue;	
	fi

	if [ "${maxDiff%%.*}" -gt "10" ];
	then
		echo "[$CURRENCY] exchange rate dropps by more than 10% (max: $weeklyMax EUR/${CURRENCY}, cur: $current EUR/${CURRENCY})\n  => Buy more?"
		continue;
	fi

	if [ "0${maxDiff%%.*}" -gt "3" ];
	then
		echo "[$CURRENCY] prices dropping by more than 3% (max: $weeklyMax, cur: $current)"
		if [ "0$curProfit" -gt "0" ];
		then
			echo "[$CURRENCY] profit: $curProfit EUR\n  => sell?"
		fi
	fi
	if [ "0$HOUR" -eq "6" ];
	then
		echo "[$CURRENCY] profit: $curProfit EUR"
	fi
done < $1