#!/bin/sh

UPG_DATE=$1
CURR_DATE=$( date +%s )

DIFF=$(( CURR_DATE - UPG_DATE ))
COLOR=""
SUFFIX=""

if [ $DIFF -lt $(( 60*60*24 )) ]; then
	COLOR=4
elif [ $DIFF -lt $(( 60*60*24*4 )) ]; then
	COLOR=2
elif [ $DIFF -lt $(( 60*60*24*7 )) ]; then
	COLOR=3
	SUFFIX="\nConsider running a full system upgrade ($2)"
else
	COLOR=1
	SUFFIX="\nPlease run a full system upgrade ($2)"
fi

if [ "$MACHINE_TYPE" = "mac" ]; then
	LAST_SYSTEM_UPGRADE=$( date -r "$UPG_DATE" +"%Y-%m-%d %H:%M:%S" )
else
	LAST_SYSTEM_UPGRADE=$( date -d "@$UPG_DATE" +"%Y-%m-%d %H:%M:%S" )
fi

tput setaf $COLOR; echo "Last system upgrade run on: "$LAST_SYSTEM_UPGRADE$SUFFIX