#!/bin/bash
set -x 
set -e
#TODO: make this more robust
export RANDRSS_ROOT=$(pwd)
random_default=$( shuf -n 1 -i720-753)
DEFAULT_PER_ITEM="1-$random_default"

echo "Current default sleep seconds range: $DEFAULT_PER_ITEM"
if [ $# -lt 1 ] ; then
echo "Usage: $0 feedsconfigdir fetchersfile [syncnow]"
exit
fi
feedsconfigdir="$1"
fetchersfile="$2"
if [ ! -d "$feedsconfigdir" ] ; then
echo "$feedsconfigdir does not exist or is not readable" 1>&2
exit 1
fi

if [ ! -f "$fetchersfile"  ] ; then
echo "fetchersfile does not exist or is not readable" 1>&2
exit 1
fi

syncnow=0
if [ "$3" = "syncnow" ] ; then
syncnow=1
fi
while true ; do
	   ls "$feedsconfigdir" | shuf | while read line ; do
	    source "$feedsconfigdir/$line"
		
		sleepfor=0
		if [ -n "$FEED_RANGE" ] ; then
			sleepfor=$( shuf -i "$range" -n 1)
		else
			sleepfor=$( shuf -i "$DEFAULT_PER_ITEM" -n 1)
		fi
		
		fetcher="$FEED_FETCHER"
		if [ -z "$fetcher" ] ; then
			fetcher=$( shuf -n 1 "$fetchersfile" )
		fi
		
		if [ ! -e "$fetcher" ] ; then
			echo "$fetcher does not exist" 1>&2
			exit 1
		fi
		
		proxycommand="$FEED_PROXYCOMMAND"
		if [ -z "$proxycommand" ] ; then
			proxycommand="torsocks"
		fi
		
		[ $syncnow -eq 1 ] || ( echo "Sleeping for $sleepfor seconds for $url, chosen fetcher $fetcher" && sleep "$sleepfor" )
		echo "Fetching $FEED_URL with $fetcher"
		"$proxycommand" "$fetcher" "$FEED_URL" "$FEED_OUTPUT" || echo "Failed to fetch $FEED_URL"
	done
	[ $syncnow -eq 1 ] && exit
done