#!/bin/sh

. /usr/share/libubox/jshn.sh

if [ -z $1 ] ; then
	echo "No argument"
	exit 1
fi 

if [ $(echo $1|grep -o "," | wc -l) -eq 0 ] ; then
	url=$1
else
	url=$(echo $1|cut -d',' -f1)
	a=$(echo $1|cut -d',' -f2)
	b=$(echo $1|cut -d',' -f3)
	c=$(echo $1|cut -d',' -f4)
fi

echo "url" $url
echo "a" $a
echo "b" $b
echo "c" $c

currdate=$(date +"%Y-%m-%d")

active=0
if [ -z $a ] ; then
	active=1
elif [ $a ] && [ $b ] && [ $a -lt 25 ] ; then
	#Time
	begin=$(date +%s -d"$currdate $a")
	now=$(date +%s)
	end=$((begin+3600*$b))
	if [ $now -gt $begin ] && [ $now -lt $end ] ; then
		active=1 
	fi
elif [ $a ] && [ $b ] && [ $c ] && [ $a -gt 25 ]  ; then
	#Date
	y=$(echo $a| cut -c1-4)
	m=$(echo $a| cut -c5-6)
	d=$(echo $a| cut -c7-8)
	begin=$(date +%s -d"$y-$m-$d $b")
	now=$(date +%s)
	end=$((begin+3600*$c))
	if [ $now -gt $begin ] && [ $now -lt $end ] ; then
		active=1 
	fi
else
	echo "Bad format"
	exit 1
fi

sofwareminuspath=${url##*/}

if [ $url ] && [ $active -eq 1 ]; then
	echo "Software version to download $sofwareminuspath"	
	local sysinfo=$(ubus call router quest "{ \"info\": \"system\" }")
	json_load "$sysinfo"
	json_get_var firmware firmware
	json_get_var filesystem filesystem                                  
        if [ "$filesystem" == "JFFS2" ] ; then                               
                firmware=$firmware.w                                                                                                           
        else                                                                 
                firmware=$firmware.y                                         
        fi     
	if [ "$sofwareminuspath" == "${sofwareminuspath/$firmware/}" ] ; then
		echo "Image found $url will start flashing"
		/sbin/sysupgrade -v $url
	else
		echo "Will not update software, already up to date"
	fi
fi