#!/bin/bash
logthis(){
	echo "$(date -u +%s) $1 $2" >> $AK_WORKDIR/logs
}
install(){
	logthis "[INFO]" "Attempting to install IPFS..."
	IPFS_VERSION="$(curl -s https://dist.ipfs.tech/kubo/versions | tail -1)"
	SWARMSHA512SUM="7001e37412758c43d372a969e977ca11511e034c8c1e233a58dc3ce1c6f3c1aa7d2da8cba9944a5eabaa8885742bfe6cc6794224c146b7129da8f633b53b9cfc"
	IPFS_TARGET_FILE="kubo_"$IPFS_VERSION"_linux-amd64.tar.gz"
	AKBIN="$AK_WORKDIR/bin"
	mkdir $AKBIN
	AKAR="$ARCHIVESDIR"
	mkdir $AKAR
	if [ ! -d $AKAR ]; then
		mkdir $AKAR
		if [ $? != 0 ]; then
			logthis "[ERROR]" "Problem creating directory"
			exit 1;
		fi
	fi
	logthis "[INFO]" "Downloading ipfs $IPFS_VERSION"
	if [ ! -f $AKAR/$IPFS_TARGET_FILE ]; then
		wget -O $AKAR/$IPFS_TARGET_FILE https://dist.ipfs.tech/kubo/$IPFS_VERSION/$IPFS_TARGET_FILE ;
	fi
	logthis "[INFO]" "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 kubo/ipfs $AKBIN/ipfs
	fi
	logthis "[INFO]" "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 "[INFO]" "Congrats! You are already in our swarm" ;
	else
		logthis "[ERROR]" "Found swarm.key but not ours"
		logthis "[ERROR]" "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 "[INFO]" "Found IPFS! Skipping downloading..."
fi