#!/bin/sh
#
#  handler for i2psnark torrent files and magnet links
#
#  version 0.2
#
#  zzz 2020-05-10
#
if [ $# -ne 1 ]
then
	echo "usage: $0 link"
	exit 1
fi

ARG="$1"
I2PURL=http://localhost:7657/

wget "$I2PURL" -o /dev/null -O /dev/null
if [ $? -ne 0 ]
then
	# check local install
	I2PROUTER="$HOME/i2p/i2prouter"
	if [ ! -x "$I2PROUTER" ]
	then
		# check system install
		I2PROUTER=i2prouter
		type "$I2PROUTER" > /dev/null 2>&1
		if [ $? -ne 0 ]
		then
			echo "i2prouter is not installed"
			exit 1
		fi
	fi
	"$I2PROUTER" status > /dev/null 2>&1
	if [ $? -ne 0 ]
	then
		echo "Starting I2P..."
		"$I2PROUTER" start
		# wait up to 5 minutes
		i=0
		while [ $i -lt 60 ]
		do
			wget "$I2PURL" -o /dev/null -O /dev/null
			if [ $? -ne 0 ]
			then
				echo "waiting for i2psnark..."
				sleep 10
				break;
			fi
			echo "waiting for i2p..."
			sleep 5
			true $((i++))
		done
	else
		echo "I2P running but console not up?"
		exit 1
	fi
fi

BROWSER=`grep '^routerconsole.browser=' "$HOME/.i2p/router.config" 2> /dev/null | cut -d '=' -f 2`
if [ "x$BROWSER" = "x" ]
then
	BROWSER=sensible-browser
	type "$BROWSER" > /dev/null 2>&1
	if [ $? -ne 0 ]
	then
		BROWSER=firefox
	fi
fi

wget "${I2PURL}i2psnark/" -o /dev/null -O /dev/null
if [ $? -ne 0 ]
then
	echo "I2P is running but i2psnark is not, start it first"
	"$BROWSER" "${I2PURL}configwebapps"
	exit 1
fi

# escape magnet params
ARG=`echo "$ARG" | sed -e 's/?/%3F/g' | sed -e 's/&/%26/g'`
"$BROWSER" "${I2PURL}i2psnark/?nofilter_newURL=$ARG#add"