#!/bin/bash
########################################################################
# Author: Fred (support@qo-op.com)
# Version: 2020.03.24
# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
########################################################################
MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
ME="${0##*/}"

########################################################################
# \\///
# qo-op
############# '$MY_PATH/$ME'
########################################################################
# ex: ./'$ME'
# SYNC IPFS SWARM PEERS SHARED DATA .12D3KooW****
########################################################################'
export YOU=$(ps auxf --sort=+utime | grep -w ipfs | grep -v -E 'color=auto|grep' | tail -n 1 | cut -d " " -f 1)
export IPFSNODEID=$(ipfs id -f='<id>\n')
########################################################################

mkdir -p ~/.zen/ipfs_swarm
echo '
___ _  _ __  __         _       _  _ _ _  _ __    
 | |_)|_(_  (_\    //\ |_)|\/| |_)|_|_|_)|_(_ |_| 
_|_|  | __) __)\/\//--\| \|  | | \|_| | \|___)| | 

'
echo "I am $IPFSNODEID"

## TODO CHANNELS SWARM INDEX COPY PROCEDURE
## SIGNAL ~/.zen/g1sms/ TODO

echo "PUBLISHING MY OWN /home/$YOU/.zen/ipfs/ to SWARM"
[[ ! -d /home/$YOU/.zen/ipfs ]] && echo "ERROR : /home/$YOU/.zen/ipfs/ NOT FOUND" && exit 1
IWALLETS=$(ipfs add -rHq /home/$YOU/.zen/ipfs | tail -n 1)
NODEIPNS=$(ipfs name publish --quieter /ipfs/$IWALLETS)
ipfs get --output=/home/$YOU/.zen/ipfs_swarm/ /ipns/$IPFSNODEID

echo "REFRESHING /home/$YOU/.zen/ipfs_swarm/ from my SWARM peers"
rm -Rf /home/$YOU/.zen/ipfs_swarm/.12D3KooW*
rm -Rf /home/$YOU/.zen/ipfs_swarm/*

count=1
# Search for All peers Nodes. ## TODO: To be changed when Swarm is too big or not expanding  
#for id in $(ls -d ~/.zen/ipfs_swarm/.12D3KooW* | cut -d '.' -f 3); # Alternative search...
for peer in $(ipfs swarm peers);
do
    id=$(echo "$peer" | grep 'ip4' | awk -F '/' '{print $7}')
    [[ "$id" == "" ]] && id=$(echo "$peer" | grep 'ip6' | awk -F '/' '{print $7}')
    [[ "$id" == "" ]] && echo "WARNING! ID empty for $peer " && continue
    
    echo " ($count) Refreshing /home/$YOU/.zen/ipfs_swarm/.$id"

    ### Is "ipfs_swarm/.$id/G1SSB/_ssb.whoami" my SSB friend??
    ssbID=$(cat /home/$YOU/.zen/ipfs_swarm/.$id/G1SSB/_ssb.whoami)
    isMyFriend=$(grep -Rwl "$ssbID" /tmp/ssb-friends.txt)
    if [[ -f /tmp/ssb-friends.txt && ! $isMyFriend ]]; then
        echo "WARNING! $count IS NOT my SSB Friend !!! Check $ssbID" 
        rm -Rf /home/$YOU/.zen/ipfs_swarm/.$id
        ipfs swarm disconnect $peer
        ipfs bootstrap rm $peer
        ## Send sbotc alert message 
        if [[ -f /tmp/ssb-friends_ALERT.txt && ! $(grep -Rwl "$ssbID" /tmp/ssb-friends_ALERT.txt) ]]; then 
            sbotc publish '{"type":"post","text":"Salut '"$ssbID"' essaye de se connecter à ton swarm ipfs mais PAS ami!? (http://127.0.0.1/ipfs/'"$id"')"}'
            echo "$ssbID" >> /tmp/ssb-friends_ALERT.txt
        fi
        ## TODO: Use fail2ban if same node continue entering our swarm...
        count=$((count+1))
        continue
    fi 

    $MY_PATH/tools/timeout.sh -t 30 ipfs get --output=/home/$YOU/.zen/ipfs_swarm/ /ipns/$id

    #### IPFS SWARM SHAPING CONTROL
    ### CHECK Astroport Station Database Coherence?
    if [[ ! -d /home/$YOU/.zen/ipfs_swarm/.$id ]]; then
        echo "WARNING! $peer is NOT an Astroport Station !!"
        ipfs swarm disconnect $peer
        ipfs bootstrap rm $peer
        # TODO bannish with firewall ?
    fi
    
    echo "============================================================="
    count=$((count+1))

done

# TODO: TASK treatment.