#!/bin/bash
########################################################################
{ # this ensures the entire script is downloaded #
MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
ME="${0##*/}"

# CHECK not root user !!
if [ "$EUID" -eq 0 ]
  then echo -e "DO NOT EXECUTE AS root. Choose a user for your Astroport Station (we like pi)"
  exit 1
else echo -e "OK $USER, let's go!";
fi

# Ask user password on start
sudo true

## Error funciton
err() {
    echo -e "ERREUR: $1"
    exit 1
}

# CHECK if daemon is already running
if [[ $(ps auxf --sort=+utime | grep -w ipfs | grep -v -E 'color=auto|grep' | tail -n 1 | cut -d " " -f 1) ]]; then
    ipfs id && echo "ipfs swarm peers: " && ipfs swarm peers
    echo "ipfs bootstrap list: " && ipfs bootstrap list
    echo "ipfs daemon already running...! Must STOP ipfs AND remove ~/.ipfs to install again !!"
    echo "Please RUN : sudo service ipfs stop"
    exit 1
fi

[[ -d ~/.ipfs ]] && echo "IPFS install exist! Please remove or backup before executing this script EXIT" && exit 1

echo -e "IPFS + Astroport Light installation..."

[[ $(which pip3) ]] && sudo pip3 install duniterpy || (echo "python3 pip3 is missing on your device. EXIT" && exit 1)
[[ ! $(which curl) ]] && sudo apt-get install curl -y
[[ ! $(which git) ]] && sudo apt-get install git -y

[[ ! -d ~/.zen ]] && mkdir ~/.zen

# CHECK node IP isLAN?
myIP=$(hostname -I | awk '{print $1}')
isLAN=$(echo $myIP | grep -E "/(^127\.)|(^192\.168\.)|(^10\.)|(^172\.1[6-9]\.)|(^172\.2[0-9]\.)|(^172\.3[0-1]\.)|(^::1$)|(^[fF][cCdD])/")

MACHINE_TYPE=`uname -m`

if [ ${MACHINE_TYPE} == 'x86_64' ]; then
    curl -s https://dist.ipfs.io/ipfs-update/v1.6.0/ipfs-update_v1.6.0_linux-amd64.tar.gz -o $MY_PATH/ipfs-update.tar.gz
elif [ ${MACHINE_TYPE:0:3} == 'arm' ]; then
    curl -s https://dist.ipfs.io/ipfs-update/v1.6.0/ipfs-update_v1.6.0_linux-arm.tar.gz -o $MY_PATH/ipfs-update.tar.gz
elif [ ${MACHINE_TYPE} == 'aarch64' ]; then
    curl -s https://dist.ipfs.io/go-ipfs/v0.9.1/go-ipfs_v0.9.1_linux-arm64.tar.gz -o /tmp/ipfs_aarch64_v0.9.1.tar.gz
else
    echo "Your $MACHINE_TYPE is not supported yet... Please add an issue." && exit 1
fi

if  [ -f $MY_PATH/ipfs-update.tar.gz ]; then
    echo "INSTALL ipfs-update >>>>>>>>>>>>>>>>>>>>>>>>>>"
    sudo tar -xvzf $MY_PATH/ipfs-update.tar.gz -C /usr/src/ || err "Untar ipfs-update"
    rm $MY_PATH/ipfs-update.tar.gz
    cd /usr/src/ipfs-update/
    sudo ./install.sh || err "Install ipfs-update"
    cd $MY_PATH

    echo "INSTALL ipfs 0.9.1 >>>>>>>>>>>>>>>>>>>>>>>>>>"
    sudo ipfs-update install 0.9.1 || err "Install IPFS"

else
    ## TERRAPI4 aarch64 install ipfs_aarch64_v0.9.1
    sudo tar -xvzf /tmp/ipfs_aarch64_v0.9.1.tar.gz -C /usr/src/ || err "Untar ipfs_aarch64"
    rm /tmp/ipfs_aarch64_v0.9.1.tar.gz
    cd /usr/src/go-ipfs/
    sudo ./install.sh || err "Install ipfs_aarch64"
    cd $MY_PATH

fi

# INIT ipfs
[[ $isLAN ]] && ipfs init -p lowpower \
|| ipfs init -p server

## Special Xbian init.d config
    ## DEBIAN SYSTEMCTL
    echo "CREATE SYSTEMD ipfs SERVICE >>>>>>>>>>>>>>>>>>"
cat > /tmp/ipfs.service <<EOF
[Unit]
Description=IPFS daemon
After=network.target

[Service]
User=_USER_
ExecStart=/usr/local/bin/ipfs daemon --enable-pubsub-experiment --enable-namesys-pubsub --enable-gc
Restart=on-failure
CPUAccounting=true
CPUQuota=60%

[Install]
WantedBy=multi-user.target
EOF

    sudo cp -f /tmp/ipfs.service /etc/systemd/system/
    sudo sed -i "s/_USER_/$USER/g" /etc/systemd/system/ipfs.service
    echo "Activating ipfs daemon >>>>>>>>>>>>>>>>>> "
#    echo "Vous pouvez régler la ressouce CPU maximum (60%)?" && read cpuy

    [[ -d ~/.ipfs ]] && sudo chown -R $USER:$USER ~/.ipfs
    sudo systemctl daemon-reload
    sudo systemctl enable ipfs


###########################################
# ACTIVATE IPFS OPTIONS: #swarm0 INIT
###########################################
### IMPORTANT !!!!!!! IMPORTANT !!!!!!
###########################################
# DHT PUBSUB mode
ipfs config Pubsub.Router gossipsub
# MAXSTORAGE = 1/2 available
availableDiskSize=$(df -P ~/ | awk 'NR>1{sum+=$4}END{print sum}')
diskSize="$((availableDiskSize / 2))"
ipfs config Datastore.StorageMax $diskSize
## Activate Rapid "ipfs p2p"
ipfs config --json Experimental.Libp2pStreamMounting true
ipfs config --json Experimental.P2pHttpProxy true
ipfs config --json Swarm.ConnMgr.LowWater 0
ipfs config --json Swarm.ConnMgr.HighWater 0

## Install gateway on 8181 port
ipfs config Addresses.Gateway "/ip4/127.0.0.1/tcp/8181"

########################################################################
# GET IPFS KEYS & CONVERSIONS
########################################################################
IPFSNODEID=$(ipfs config Identity.PeerID)
## TODO convert to secret.dunikey

########################################################################
echo "CREATION IDENTITE BALISE IPFS ~/.zen/ipfs/.${IPFSNODEID} /G1SSB"
########################################################################
rm -Rf ~/.zen/ipfs
mkdir -p ~/.zen/ipfs/.${IPFSNODEID}/G1SSB
########################################################################
# Give $XZUID to your (gchange friends)
########################################################################
XZUID="$(hostname)-$RANDOM$RANDOM"
echo "SETTING _xbian.zuid PROFILE NAME = $XZUID"
echo "$XZUID" > ~/.zen/ipfs/.${IPFSNODEID}/_xbian.zuid

########################################################################
########################################################################
echo "Getting tryme.addr & .mycode from OASIS
-- Change oasis address to fork your Astroport Code Universe --"
########################################################################
ipfs bootstrap rm --all

OASIS=12D3KooWBYme2BsNUrtx4mEdNX6Yioa9AV7opWzQp6nrPs6ZKabN
# aries=12D3KooWSQYTxeoZZ39SNosEKxi7RUdGTtAQAqpKeZJxjzqqrZTx
for bootnode in $(curl -s https://tube.copylaradio.com/ipns/$OASIS/.$OASIS/tryme.addr)
do
    ## ADD $bootnode TO BOOTSTRAP
    ipfs bootstrap add $bootnode
done

codesign=$(curl -s https://tube.copylaradio.com/ipns/$OASIS/.$OASIS/.mycode)

########################################################################
echo "RESTARTING ipfs"
########################################################################
sudo service ipfs restart
echo ".... WAIT for SWARM to connect ..."
sleep 10

echo ".... ACTUAL SWARM PEERS ..."
ipfs swarm peers

echo "IPFS OK
====================
Station Astroport INSTALL
Activation ~/.zen/astrXbian/zen/cron_VRFY.sh
Récupération CODE /ipfs/$codesign
"

## GETTING SAME SOURCE CODE AS OASIS
mkdir -p /home/$USER/.zen/astrXbian/
ipfs get --output=/home/$USER/.zen/astrXbian/ /ipfs/$codesign

## Make scripts executable
find /home/$USER/.zen/astrXbian/ -name "*.sh" -exec chmod u+x '{}' \;
find /home/$USER/.zen/astrXbian/ -name "*.py" -exec chmod u+x '{}' \;

########################################################################
echo "# Setting $USER SUDO permissions ON fail2ban mount umount apt-get apt systemctl"
########################################################################
## USED FOR fail2ban-client (DEFCON)
echo "$USER ALL=(ALL) NOPASSWD:/usr/bin/fail2ban-client" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/fail2ban-client')
## USED FOR RAMDISK (video live streaming)
echo "$USER ALL=(ALL) NOPASSWD:/bin/mount" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/mount')
echo "$USER ALL=(ALL) NOPASSWD:/bin/umount" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/umount')
## USED FOR SYSTEM UPGRADE
echo "$USER ALL=(ALL) NOPASSWD:/usr/bin/apt-get" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/apt-get')
echo "$USER ALL=(ALL) NOPASSWD:/usr/bin/apt" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/apt')
## USED FOR "systemctl restart ipfs"
echo "$USER ALL=(ALL) NOPASSWD:/bin/systemctl" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/systemctl')

## TODO G1SSB CONFIG
echo "## INSTALL TiddlyWiki /ipns/${IPFSNODEID}/.${IPFSNODEID}/index.html"
[[ ! -f ~/.zen/ipfs/.${IPFSNODEID}/index.html ]] && mkdir -p ~/.zen/ipfs/.${IPFSNODEID} && cp ~/.zen/astrXbian/.install/templates/tiddlywiki/index.html ~/.zen/ipfs/.${IPFSNODEID}/index.html


echo "Tout semble OK?!

NE PAS OUBLIER!!
Ajoutez le compagnon IFPS à votre navigateur.
Documentation : https://docs.ipfs.io/install/ipfs-companion/
Traduction FR : https://translate.google.com/translate?sl=auto&tl=fr&u=https://docs.ipfs.io/install/ipfs-companion/
"

## OPEN https://translate.google.com/translate?sl=auto&tl=fr&u=https://docs.ipfs.io/install/ipfs-companion/

} # this ensures the entire script is downloaded #
# IPFS CONFIG documentation: https://github.com/ipfs/go-ipfs/blob/master/docs/config.md#addressesswarm