#!/bin/bash
########################################################################
# Author: Astrocrew
# Version: 0.1
# 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="${0##*/}"
countMErunning=$(ps auxf --sort=+utime | grep -w $ME | grep -v -E 'color=auto|grep' | wc -l)
[[ $countMErunning -gt 2 ]] && echo "$ME already running $countMErunning time" && exit 0

YOU=$(ps auxf --sort=+utime | grep -w ipfs | grep -v -E 'color=auto|grep' | tail -n 1 | cut -d " " -f 1) && [[ ! $YOU ]] && echo "ipfs NOT RUNNING. EXIT" && exit 1
G1PUB=$(cat ~/.zen/secret.dunikey | grep 'pub:' | cut -d ' ' -f 2) && [[ ! $G1PUB ]] && echo "NO ~/.zen/secret.dunikey EXIT" && exit 1
IPFSNODEID=$(ipfs --timeout=20s id -f='<id>\n') && [[ ! $IPFSNODEID ]] && echo 'NO IPFS RUNNING. EXIT' && exit 1

MEDIAKEYIPNS="$1"&& [[ ! $MEDIAKEYIPNS ]] && echo 'NO MEDIAKEY. Enter ipns/??? value. EXIT' && exit 1
OPENACCES="$2" && [[ ! $OPENACCES ]] && echo 'OPEN ACCES TO "$2=$G1PUB"'

tempdir=$(mktemp -d)
cd $tempdir

## GET CURRENT DHT PROPAGATED VERSION
ipfs --timeout=10s get --output="$tempdir" /ipns/$MEDIAKEYIPNS
[[ ! $? == 0 ]] && echo "CANNOT GET MEDIAKEY" && exit 1

## DO I OWN THE KEY, OR SHOUD I REQUEST IT
mediakeyid=$(cat ./*/.id | tail -n 1)
if [[ ! $(ipfs key list -l | grep $mediakeyid) ]]; then
    ## SEND A MESSAGE ASKING FOR THE KEY (I am a bootstrap or http gateway)
    for sharedowners in $(ls -d */ | cut -d '/' -f 1); do
        ~/.zen/astrXbian/zen/jaklis/jaklis.py -k ~/.zen/secret.dunikey -n "https://data.gchange.fr" send -d "$sharedowners" -t "MEDIAKEY ask for sharing contract" -m "I was wishing to increment $mediakeyid views, but not in your contracts yet. Please send me your ./ipfs/keystore/$MEDIAKEYIPNS to activate."
    done
    exit 1
fi

## INCREMENT COUNTER
## GO INTO $G1PUB EXCHANGE SPACE
[[ ! -d ./$G1PUB ]] && mkdir $G1PUB
cd $G1PUB
count=$(cat .views.counter 2>/dev/null) || count=0
echo $((count+1)) >  .views.counter

## PUBLISH NEW STATE
I=$(ipfs add -qrH $tempdir | tail -n 1)
echo "CHAIN: $I"
echo $I > .chain
echo "${mediakeyid} NAME PUBLISHING "
# MEDIAKEY IPNS name publish
J=$(ipfs name publish --quieter -k ${mediakeyid} /ipfs/${I})
echo "$mediakeyid VIEW COUNTER UPDATED in https://tube.copylaradio.com/ipns/$J/$G1PUB/.views.counter"

# TODO REFRESH LOCAL STATE
echo 'cp -Rf *.* /home/$YOU/.zen/ipfs/.$IPFSNODEID/KEY/$mediakeyid/'

if [[ $OPENACCES ]]; then
    ## CREATE OFFICIAL SPACE DETECTED BY autoPINfriends.sh :: ~/.zen/ipfs_swarm/.12D*/KEY/*/*/${G1PUB}/.ipfsid.encrypt
    mkdir -p /home/$YOU/.zen/ipfs/.${IPFSNODEID}/KEY/${MEDIAKEY}/${G1PUB}/${OPENACCES}/
    /home/$YOU/.zen/astrXbian/zen/tools/natools.py encrypt -p $OPENACCES -i $HOME/.ipfs/keystore/$KEYFILE -o /home/$YOU/.zen/ipfs/.${IPFSNODEID}/KEY/${MEDIAKEY}/${G1PUB}/${OPENACCES}/.ipns.mediakey.encrypt
    ## TODO COULD SEND JUNE FOR THAT
        ## PUBLISH NEW STATE
    I=$(ipfs add -qrH $tempdir | tail -n 1)
    echo "CHAIN: $I"
    echo $I > .chain
    echo "${mediakeyid} NAME PUBLISHING "
    # MEDIAKEY IPNS name publish
    J=$(ipfs name publish --quieter -k ${mediakeyid} /ipfs/${I})
    echo "$mediakeyid VIEW COUNTER UPDATED in https://tube.copylaradio.com/ipns/$J/$G1PUB/.views.counter"
fi