#!/bin/bash
##################################################################
# Author: Fred (support@qo-op.com)
# Version: 0.2
# License: GPL (http://www.google.com/search?q=GPL)
##################################################################
# CHECK & WARN | CREATE Keys (gpg encrypt, G1wallet, IPNS publish)
##################################################################

MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
if [[ -f $MY_PATH/.install/.GPATH ]]; then source $MY_PATH/.install/.GPATH; fi
if [[ -f $MY_PATH/../.install/.GPATH ]]; then source $MY_PATH/../.install/.GPATH; fi

YOU=$(ps aux --sort=+utime | grep ipfs | tail -n 1 | cut -d " " -f 1)
IPFSNODEID=$(su $YOU -c "ipfs id -f='<id>\n'")
NANODATE=$(date -u +%s%N) #1569692075385428020

##################################################################
# G1sms+ Node KEYS (G1wallet, gpg, IPNS)
##################################################################
export GPGPASS=$(cat "/home/$YOU/.ipfs/config" | jq '.Identity.PrivKey' | sed s/\"//g) #"
if [ ! $GPGPASS ]; then echo "FATAL ERROR:: IPFS Node.Identity.PrivKey GPGPASS EMPTY"; exit; fi

# GET SWARM KEY G1sms+ .ipfs/swarm.key
export SWARMKEY=$(cat "/home/$YOU/.ipfs/swarm.key" | tail -n 1)
if [ ! $SWARMKEY ]; then echo "FATAL ERROR:: .ipfs/swarm.key EMPTY"; exit; fi

##################################################################
# G1sms+ Swarm KEYS
##################################################################
# G1sms Service - G1Wallet
# 
# CLEF G1 DU SWARM
SWARM_G1PUBKEY=$(cat "${GPATH}/g1sms.pub.key")
SWARM_G1AUTHFILE="${GPATH}/g1sms.priv.key"

# CLEF G1 NODE = CLEF G1 SWARM !! 
if [[ ! -e "./g1sms.preoni.pub.key" && -f "./g1sms.priv.key" ]]; then
    log "__SUB:initkeys.sh: Linking preoni Keys to SWARM G1 Keys"
    ln -s ./g1sms.priv.key ./g1sms.preoni.priv.key
    ln -s ./g1sms.pub.key ./g1sms.preoni.pub.key
elif [[ ! -f  ./g1sms.preoni.priv.key ]]; then
    # CREATE NODE G1 KEYS AND FILES
    mkdir -p ./wallets/.$IPFSNODEID/TASK
    ################################################
    # GIVE NAME TO NODE G1 WALLET: "0000diceware"
    # CREATE "preoni" KeyS & ./wallets/.Qm***/_files
    ################################################
    # 4 derniers chiffres du MASTERPHONE + diceware
    PRE=${MASTERPHONE:8:4}
    ZUID=$(./shell/diceware.sh 1 | xargs)
    # Check if already existing among all swarm wallets
    while [[ $(grep -Rwl "$PRE$ZUID" ./wallets_swarm/.*/_uidna) ]]; do ZUID=$(./shell/diceware.sh 1 | xargs); done
    NODE_UIDNA="$PRE$ZUID"
    NODE_PIN=$(./shell/diceware.sh | xargs)
    
    NODE_G1PUBKEY=$(./silkaj/silkaj generate_auth_file --auth-scrypt -salt="$NODE_UIDNA" -password="$NODE_PIN")
    if [[ ! $NODE_G1PUBKEY ]]; then log "PROBLEME CREATION DU WALLET G1 POUR $NODE_UIDNA = $IPFSNODEID"; exit; fi
    log "__SUB:initkeys.sh: NODE G1WALLET CESIUM: $NODE_UIDNA / $NODE_PIN CREATED..."

    # WRITE NODE_UIDNA
    echo "$NODE_UIDNA" > "./wallets/.$IPFSNODEID/_uidna" ################# _uidna

    ############ SYSTEM MODIFY hosts & hostname ################
    # WRITE NODE uidna NAME TO /etc/hosts & .Qm*/_uidna file
    echo "127.0.0.101	$NODE_UIDNA" >> "/etc/hosts"
    echo $NODE_UIDNA > "/etc/hostname"
    ############################################################

    # BACKUP AUTHFILE FOR FOR SWARM USE (TODO: Refine Swarm, Node access): GIVES SMARM WITHDRAW ACTION
    ./shell/natools.py encrypt -p $SWARM_G1PUBKEY -i "./authfile" -o "./wallets/.$IPFSNODEID/_authfile.swarm.crypt"

    echo $NODE_G1PUBKEY > "./wallets/.$IPFSNODEID/_pub" ################# _pub
    echo $IPFSNODEID > "./wallets/.$IPFSNODEID/_ipfsid" ################# _ipfsid
    log "__SUB:initkeys.sh: [ADMIN] G1sms+ CREATE G1WALLET FOR: $IPFSNODEID: _pub = $NODE_G1PUBKEY "
 
    # BACKUP $IPFSNODEID config ################# _ipfsconfig.swarm.crypt : GIVES SMARM NODE RESTORE ACTION
    ./shell/natools.py encrypt -p $SWARM_G1PUBKEY -i "/home/$YOU/.ipfs/config" -o "./wallets/.$IPFSNODEID/_ipfsconfig.swarm.crypt"
    log "__SUB:initkeys.sh: [ADMIN] BACKUP IPFS NODE CONFIG to ./wallets/.$IPFSNODEID/_ipfsconfig.swarm.crypt"

    # Cyper & Empty PIN
    echo "${NODE_PIN}" > "./wallets/.$IPFSNODEID/_pin" ################# _pin / _pin.node.crypt / _pin.gpg
    ./shell/natools.py encrypt -p $NODE_G1PUBKEY -i "./wallets/.$IPFSNODEID/_pin" -o "./wallets/.$IPFSNODEID/_pin.node.crypt"
    echo "${GPGPASS}" | gpg -q --output "./wallets/.$IPFSNODEID/_pin.gpg" --yes --pinentry-mode loopback --symmetric --passphrase-fd 0 "./wallets/.$IPFSNODEID/_pin"
    echo "" > "./wallets/.$IPFSNODEID/_pin"

    echo "314" > "./wallets/.$IPFSNODEID/_g1cents" ################# _g1cents
    echo $NANODATE > "./wallets/.$IPFSNODEID/_nanodate" ################# _nanodate

    # SILKAJ INIT G1 NODE WALLET
    TX_IN=$(./silkaj/silkaj transaction --auth-file -file="$SWARM_G1AUTHFILE" --amount=3.24 --output=$NODE_G1PUBKEY --comment="[G1sms+] G1NODE ($ADMINPSEUDO) $NODE_UIDNA $IPFSNODEID" -y)
    TX_OUT=$(./silkaj/silkaj transaction --auth-scrypt -salt="$NODE_UIDNA" -password="$NODE_PIN" --amount=0.1 --output=$SWARM_G1PUBKEY --comment="[G1sms+] G1NODE ($ADMINPSEUDO) $NODE_UIDNA $IPFSNODEID:ACK" -y)

    log "__SUB:initkeys.sh: [ADMIN] NODE G1sms+ $NODE_UIDNA : ls ./wallets/.$IPFSNODEID"
    gammu-smsd-inject -l TEXT "$ADMINPHONE" -text "[ADMIN] G1sms+ NODE $NODE_UIDNA ($IPFSNODEID)" 1>&2
    gammu-smsd-inject -l TEXT "$ADMINPHONE" -text "$NODE_G1PUBKEY" 1>&2

    # CREATE preoni FILES
    mv ./authfile ./g1sms.preoni.priv.key
    echo $NODE_G1PUBKEY > ./g1sms.preoni.pub.key
fi

NODE_UIDNA=$(cat "./wallets/.$IPFSNODEID/_uidna")
## INIT NODE G1 PUB & PRIV KEY
NODE_G1PUBKEY=$(cat "${GPATH}/g1sms.preoni.pub.key")
NODE_G1AUTHFILE="${GPATH}/g1sms.preoni.priv.key"

##########################################################
# MEMORIZE NODE NANODATE EXECUTION TIME (for ntpdate regular sync) 
if [[ -f ./wallets/.$IPFSNODEID/_nanodate ]]; then
    last=$(cat ./wallets/.$IPFSNODEID/_nanodate)
    timediff=$( echo "${NANODATE} - ${last}" | bc -l )
    # NODE TIME SYNC 600 milliards de nanosecondes = 600 s = 10 mn
    if [[ $timediff -gt 600000000000 ]]; then
        # RUN & LOG ntpdate
        log "__SUB:ntpdate pool.ntp.org: $timediff $(ntpdate pool.ntp.org)"
        export NANODATE=$(date -u +%s%N)
    fi
    echo $NANODATE > ./wallets/.$IPFSNODEID/_nanodate
fi

################################################################
#INFORM ABOUT NODE CAPACITIES
export NODEPUB=$(cat "./wallets/.$IPFSNODEID/_pub")

## IS IT A SMS NODE (gammu-smsd is installed)??
if [[ $G1SMS ]]; then
    echo $MASTERPHONE > "./wallets/.$IPFSNODEID/_sms"
else
    if [ -f "./wallets/.$IPFSNODEID/_sms" ]; then rm -f "./wallets/.$IPFSNODEID/_sms"; fi
fi

## IS THERE USB PRINTER CONNECTED?
if [[ -e "/dev/usb/lp0" ]]; then
    log "G1CORE: IMPRESSION G1Tag ACTIF .............."
    echo $ADRESSE > "./wallets/.$IPFSNODEID/_where"
fi

## IS THERE SERIAL QR CODE READER CONNECTED?
if [[ -e "/dev/ttyACM0" ]]; then
    log "G1CORE: SCAN G1Tag ACTIF .............."
    export G1TX="YES"
    echo "/dev/ttyACM0" > "./wallets/.$IPFSNODEID/_scan"
else
    if [ -f "./wallets/.$IPFSNODEID/_scan" ]; then rm -f "./wallets/.$IPFSNODEID/_scan"; fi
fi