#!/bin/bash
# I will be using journal for logs
# To follow logs write
#   journalctl -f -t arching-kaos
# Change to stdout easily:
#   cat ipfs-check-install-setup-init | sed -e 's/logthis(){//' | sed -e 's/.*logger.*$//' | sed -e 's/}//' | sed -e 's/\n\n\n//' | sed -e 's/logthis/echo/g' > ipfs-check-install-setup-init-logstdout
# or whatever...

logthis(){
	logger -t arching-kaos $1
}
install(){
	logthis "ipfs-check-install-setup-init"
	IPFS_VERSION="$(curl https://github.com/ipfs/go-ipfs/releases/latest | sed -e 's/.*releases//g' | sed -e 's/".*//' | sed -e 's/\/tag\///')"
	SWARMSHA512SUM="7001e37412758c43d372a969e977ca11511e034c8c1e233a58dc3ce1c6f3c1aa7d2da8cba9944a5eabaa8885742bfe6cc6794224c146b7129da8f633b53b9cfc"
	IPFS_TARGET_FILE="go-ipfs_"$IPFS_VERSION"_linux-amd64.tar.gz"
	AKBIN="$BINDIR"
	AKAR="$ARCHIVESDIR"
	if [ ! -d $AKAR ]; then
		mkdir $AKAR
		if [ $? != 0 ]; then
			logthis "Problem creating directory"
			exit 1;
		fi
	fi
	logthis "Downloading ipfs $IPFS_VERSION"
	if [ ! -f $AKAR/$IPFS_TARGET_FILE ]; then
		wget -O $AKAR/$IPFS_TARGET_FILE https://dist.ipfs.io/go-ipfs/$IPFS_VERSION/$IPFS_TARGET_FILE ;
	fi
	logthis "Making temp files"
	TIMESTAMP="$(date -u +%s)"
	TEMPASSIN="/tmp/aktmp_$TIMESTAMP"
	if [ ! -d $TEMPASSIN ]; then
		mkdir $TEMPASSIN
		cd $TEMPASSIN
		tar xf $AKAR/$IPFS_TARGET_FILE
		cp go-ipfs/ipfs $AKBIN
	fi
	logthis "ipfs installed on $AKBIN"
	if [ ! -d $HOME/.ipfs ]; then
		mkdir $HOME/.ipfs
		$AKBIN/ipfs init ;
	fi
	if [ ! -f $HOME/.ipfs/swarm.key ]; then
		wget -O $HOME/.ipfs/swarm.key https://arching-kaos.net/files/swarm.key ;
	elif [ "$(sha512sum $HOME/.ipfs/swarm.key | awk '{ print $1 }')" == "$SWARMSHA512SUM" ]; then
		logthis "Congrats! You are already in our swarm" ;
	else
		logthis "Error: Found swarm.key but not ours"
		logthis "Visit https\:\/\/arching-kaos.net\/files\/swarm.key and copy it to your ipfs folder" ;
	fi
}
which ipfs > /dev/null 2>&1
if [ $? != 0 ]; then
	install
	ipfs init
else logthis "Found IPFS"
fi