#!/bin/bash
########################################################################
# Author: Fred (support@qo-op.com)
# Version: 2020.12.15
# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
########################################################################
# Transfert ~/astroport/youtube and mp3 files to IPFS
# Create index in ~/.zen/ipfs/xbian/Y$XZUID
######## #### ### ## #

# ipfs add new file 
# create ASTRXBIAN indexes in ~/.zen/ipfs/xbian/${PREFIX}${XZUID}
# unify swarm indexes in /var/www/astrxbian/${PREFIX}ASTRXBIAN
# Vstream/Astroport reads ${PREFIX}ASTRXBIAN through http://127.0.0.1:8181/.$IPFNODEID/
# Using Vstream/Pastebin file format
# https://github.com/Kodi-vStream/venom-xbmc-addons/wiki/Voir-et-partager-sa-biblioth%C3%A8que-priv%C3%A9e#d%C3%A9clarer-des-films
########################################################################
## ACTUAL inotifywait ~/astroport/ FILESYSTEM STRUCTURE
mkdir -p ~/astroport/youtube
mkdir -p ~/astroport/mp3
########################################################################
path="$1"
file="$2"
echo "~/.zen/astrXbian/zen/mint_youtube.sh \"$path\" \"$file\""
[[ "$file" == "" || "$path" == "" ]] && echo "ERROR. Parameters missing. xbian_vstream.sh file=$file? path=$path?"
extension="${file##*.}"
TITLE="${file%.*}"
[[ ! -f "${path}${file}" ]] && file="${TITLE%.*}" && extension="${TITLE##*.}"

# GET XZUID
[[ -f ~/.zen/ipfs/.${IPFSNODEID}/_xbian.zuid ]] && XZUID=$(cat ~/.zen/ipfs/.${IPFSNODEID}/_xbian.zuid) || XZUID=$(hostname)

TYPE=$(echo "$path" | cut -d '/' -f 5 ) # ex: /home/$YOU/astroport/... films, youtube, mp3
PREFIX=$(echo "$TYPE" | head -c 1 | awk '{ print toupper($0) }' ) # ex: F, Y, M
TMDB=$(echo "$path" | cut -d '/' -f 6 )
RES=$(echo "$path" | cut -d '/' -f 7 )

# file is placed in ROOT ~/astroport
[[ $PREFIX == "" ]] && echo "WARNING. $TYPE root files untreated" && exit 1


echo "ADDING ${path}${file} IPFS INDEX to ~/.zen/ipfs/xbian/${PREFIX}${XZUID}"
echo "-----------------------------------------------------------------"

NEWSHARE=$(ipfs add -wq "${path}${file}" | tail -n 1)
[[ $NEWSHARE == "" ]] && echo "ipfs add ERROR" && exit 1
echo "-----------------------------------------------------------------"
echo "CHECK IPFS $file : ipfs ls /ipfs/$NEWSHARE"
echo "-----------------------------------------------------------------"
echo "UPDATE $TYPE INDEX in ~/.zen/ipfs/xbian/${PREFIX}${XZUID} "
mkdir -p ~/.zen/ipfs/xbian

# Init ${PREFIX}${XZUID} header
#[[ ! -f ~/.zen/ipfs/xbian/${PREFIX}${XZUID} ]] && echo "CAT;TITLE;URLS" > ~/.zen/ipfs/xbian/${PREFIX}${XZUID}
[[ ! -f ~/.zen/ipfs/xbian/${PREFIX}${XZUID} ]] && echo "CAT;TMDB;YEAR;TITLE;SAISON;GENRES;GROUPES;RES;URLS=http://127.0.0.1:8181" > ~/.zen/ipfs/xbian/${PREFIX}${XZUID}

## CHECK IF $NEWSHARE is NEW, or an already existing in SWARMs?
isFILEinINDEX=$(grep "$file" ~/.zen/ipfs_swarm/xbian/${PREFIX}*)
isLINKinINDEX=$(grep "$NEWSHARE" ~/.zen/ipfs_swarm/xbian/${PREFIX}*)


isFILEinMYINDEX=$(grep "$file" ~/.zen/ipfs/xbian/${PREFIX}${XZUID})
isLINKinMYINDEX=$(grep "$NEWSHARE" ~/.zen/ipfs/xbian/${PREFIX}${XZUID})

# Is it a new file? Add it to INDEX
if [[ ! $isFILEinINDEX && ! $isLINKinINDEX ]]; then
	URLENCODE_FILE_NAME=$(echo ${file} | jq -Rr @uri)
	echo "ipfs get -o ~/astroport/$TYPE/ \"/ipfs/$NEWSHARE/$file\"" >> ~/.zen/ipfs/xbian/_${XZUID} # "_ASTRXBIAN" is listing ipfs get commands
	echo "film;$TMDB;$YEAR;$TITLE;$SAISON;;${XZUID};$RES;/ipfs/$NEWSHARE/$URLENCODE_FILE_NAME" >> ~/.zen/ipfs/xbian/${PREFIX}${XZUID}
else
	if [[ $isFILEinMYINDEX ]]; then
		echo "$file already in index" ## File was updated => Change OLDLINK
		OLDLINK=$(echo $isFILEinMYINDEX | cut -d "/" -f 3 | tail -n 1) # GRAB old ipfs id
		sed -i "s/$OLDLINK/$NEWSHARE/g" ~/.zen/ipfs/xbian/${PREFIX}${XZUID}
		sed -i "s/$OLDLINK/$NEWSHARE/g" ~/.zen/ipfs/xbian/_${XZUID}
	fi
	[[ $isLINKinINDEX ]] && echo "$NEWSHARE already in index. DO NOTHING"
fi

## REMOVE DUPLICATE FROM ipfs get commands
cat ~/.zen/ipfs/xbian/_${XZUID} | sort | uniq > /tmp/xbian/_${XZUID}
mv /tmp/xbian/_${XZUID} ~/.zen/ipfs/xbian/_${XZUID}

echo "CREATE ~/.zen/ipfs/.${IPFSNODEID}/${PREFIX}ASTRXBIAN ($TYPE) from ~/.zen/ipfs*/xbian/${PREFIX}*"
echo "-----------------------------------------------------------------"
cat ~/.zen/ipfs*/xbian/${PREFIX}* | sort | uniq > ~/.zen/ipfs/.${IPFSNODEID}/${PREFIX}ASTRXBIAN

########################################################################
echo "PUBLISH ~/.zen/ipfs to IPNS self for SWARM SHARING"
echo "-----------------------------------------------------------------"
echo "$(date -u +%s%N | cut -b1-13)" > ~/.zen/ipfs/.${IPFSNODEID}/_timestamp
MIPFS=$(ipfs add -rHq ~/.zen/ipfs | tail -n 1)
echo $MIPFS > ~/.zen/ipfs/.${IPFSNODEID}/_chain ## THIS SIMPLE LINE IS BLOCKCHAIN POWERING ANY DATA PUBLISHED TO IPFS !!!
NODEIPNS=$(ipfs name publish --quieter /ipfs/$MIPFS)

echo "NEW $TYPE ($file) ADDED."
echo "INDEX UPDATED : http://127.0.0.1:8181/ipns/${IPFSNODEID}/.${IPFSNODEID}/${PREFIX}ASTRXBIAN"