#!/bin/bash
########################################################################
# Author: Fred (support@qo-op.com)
# Version: 0.3
# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
########################################################################
# COPY ~/astroport/* files to IPFS
# Publish INDEX ~/.zen/ipfs/.*/${PREFIX}ASTRXBIAN
######## #### ### ## #
MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
ME="${0##*/}"
YOU=$(ps auxf --sort=+utime | grep -w ipfs | grep -v -E 'color=auto|grep' | tail -n 1 | cut -d " " -f 1);
IPFSNODEID=$(ipfs id -f='<id>\n')
G1PUB=$(cat ~/.zen/secret.dunikey | grep 'pub:' | cut -d ' ' -f 2)
# ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN
# Astropot/Kodi/Vstream source reads ${PREFIX}ASTRXBIAN from http://127.0.0.1:8181/.$IPFNODEID/
# Index File Format (could be enhanced) is using Kodi TMDB enhancement
# https://github.com/Kodi-vStream/venom-xbmc-addons/wiki/Voir-et-partager-sa-biblioth%C3%A8que-priv%C3%A9e#d%C3%A9clarer-des-films
########################################################################
## RUN inotifywait process ~/astroport/ NEW FILE DETECT
# /usr/bin/inotifywait -r -e close_write -m /home/$YOU/astroport | while read dir flags file; do ~/.zen/astrXbian/zen/new_file_in_astroport.sh "$dir" "$file"; done &
# mkdir -p ~/astroport/youtube
# mkdir -p ~/astroport/mp3
########################################################################
path="$1"
# Add trailing / if needed
length=${#path} 
last_char=${path:length-1:1}
[[ $last_char != "/" ]] && path="$path/"; :

file="$2"
ipns="$3"

echo "~/.zen/astrXbian/zen/new_file_in_astroport.sh PATH/ \"$path\" FILE \"$file\" IPNS \"$ipns\""

extension="${file##*.}"
TITLE="${file%.*}"

# .part file false flag correcting (inotify mode)
[[ ! -f "${path}${file}" ]] && file="${TITLE%.*}" && extension="${TITLE##*.}" && [[ ! -f "${path}${file}" ]] && echo "NO FILE" && exit 1

# GET XZUID
[[ -f ~/.zen/ipfs/.$IPFSNODEID/G1SSB/_g1.gchange_title ]] && XZUID=$(cat ~/.zen/ipfs/.$IPFSNODEID/G1SSB/_g1.gchange_title) || XZUID=$(cat /etc/hostname)
[[ ! $(echo "$path" | cut -d '/' -f 4 | grep 'astroport') ]] && echo "Les fichiers sont à placer dans ~/astroport/ MERCI" && exit 1
TYPE=$(echo "$path" | cut -d '/' -f 5 ) # ex: /home/$YOU/astroport/... TYPE(film, youtube, mp3)/ REFERENCE /
CAT=$(echo "$TYPE" | awk '{ print tolower($0) }')

PREFIX=$(echo "$TYPE" | head -c 1 | awk '{ print toupper($0) }' ) # ex: F, Y, M ou Y
# File is placed in ROOT ~/astroport ?
if [[ $PREFIX == "" ]]
then
	[[ "$USER" != "xbian" ]] && zenity --warning --width 300 --text "Désolé votre fichier ne peut pas être traité"
	echo "WARNING. $TYPE is root file UNTREATED" && exit 1
fi

########################################################################
# EXTRACT INDEX REFERENCE : TMDB or YOUTUBE (can be extended with new )
########################################################################
case ${PREFIX} in
	Y)
		INDEXPREFIX="YOUTUBE_"
		REFERENCE=$(echo "$file" | cut -d "_" -f 1) # Youtube filename starts with ID_
	;;
	M)
		INDEXPREFIX="MP3TUBE_"
		REFERENCE=$(echo "$file" | cut -d "_" -f 1) # Youtube filename starts with ID_
	;;
	F | S | A)
		INDEXPREFIX="TMDB_"
		REFERENCE=$(echo "$path" | cut -d '/' -f 6 ) # Path contains TMDB id
		[ "${REFERENCE}" -ne "${REFERENCE}" ] && echo "ERROR: $path BAD TMDB code. Get it from https://www.themoviedb.org/ " && exit 1 # ${REFERENCE} NOT A NUMBER
	;;
	*)
		echo "$PREFIX inconnu" && exit 1
	;;
esac

########################################################################
## CHECK if ${INDEXPREFIX}${REFERENCE} KEY exists
########################################################################
isREFERENCEinINDEX=$(grep ";$REFERENCE;" ~/.zen/ipfs_swarm/.*/astroport/kodi/vstream/${PREFIX}ASTRXBIAN)
if [[ ${isREFERENCEinINDEX} ]]
then
	if [[ -d ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB} ]]
	then
	# FILE IS MINE, replacing it in INDEX
		ipnslink=$(cat ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipns.link)
		echo "CLEF IPNS ${INDEXPREFIX}${REFERENCE} = $ipnslink"

		# DELETING GCHANGE AD
		gchangeAD=$(cat ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.gchange.ad)
		~/.zen/astrXbian/zen/jaklis/jaklis.py deleteoffer -i $gchangeAD
		rm ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.gchange.ad
		
		# DELETING OLD LINE FROM INDEX
		sed -i "/;$REFERENCE;/d" ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN
		
	else
		echo "FILE IS FROM ANOTHER"
		echo ${isREFERENCEinINDEX}
		# I could send message to my friend, PIN, exchange contract... TODO
	fi
	[[ "$USER" != "xbian" ]] && zenity --warning --width 300 --text "DOUBLON ${isREFERENCEinINDEX}"
fi

########################################################################
echo "ADDING ${path}${file} to IPFS and create ${PREFIX}ASTRXBIAN INDEX"
echo "~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN"
echo "-----------------------------------------------------------------"

IPFSREPFILEID=$(ipfs add -wq "${path}${file}" | tail -n 1)
[[ $IPFSREPFILEID == "" ]] && echo "ipfs add ERROR" && exit 1
echo "-----------------------------------------------------------------"
echo "IPFS: $file : ipfs ls /ipfs/$IPFSREPFILEID"
echo "-----------------------------------------------------------------"
echo "New $TYPE INDEX ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN "
[[ ! -d ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/ ]] && mkdir -p ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/

URLENCODE_FILE_NAME=$(echo ${file} | jq -Rr @uri)

########################################################################
## CREATE NEW ipns KEY : ${INDEXPREFIX}${REFERENCE}
########################################################################
########################################################################
[[ ! -d  ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB} ]] && mkdir -p ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB} && KEY=$(ipfs key gen "${INDEXPREFIX}${REFERENCE}") && KEYFILE=$(ls -t ~/.ipfs/keystore/ | head -n 1)
## INIT ipns 
if [[ $KEY ]]; then
	# memorize IPNS key filename for easiest exchange
	echo "$KEYFILE" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipns.key.keystore_filename
	# Publishing IPNS key
	echo "$KEY" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipns.link
	# .zen could contain ZEN for economic value
	touch ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.zen
	################ ENCRYPT keystore/$KEYFILE
	$MY_PATH/tools/natools.py encrypt -p $G1PUB -i ~/.ipfs/keystore/$KEYFILE -o ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipns.key.natools.encrypt
fi
	
# CLEAR ipfs link (is then cyphered to manage exchange regulation)
echo "/ipfs/$IPFSREPFILEID/${file}" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipfs.filelink
################ ENCRYPT .ipfs.filelink
$MY_PATH/tools/natools.py encrypt -p $G1PUB -i ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipfs.filelink -o ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipfs.filelink.natools.encrypt
rm ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipfs.filelink

echo "${file}" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipfs.filename

# TRANSFERT from ajouter_video.sh "ajouter_video.txt" later used
[[ -f ~/astroport/${CAT}/${TMDB}/ajouter_video.txt ]] && mv ~/astroport/${CAT}/${TMDB}/ajouter_video.txt ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/ 

# IPNS index.html Redirect to ipfs streaming link (could be contract or anything !!)
echo "<meta http-equiv=\"Refresh\" content=\"0;URL=http://localhost:8181/ipfs/$IPFSREPFILEID/$URLENCODE_FILE_NAME\">" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/index.html
echo "<meta http-equiv=\"Refresh\" content=\"10;URL=https://aries.copylaradio.com/ipns/$IPNSLINK/${G1PUB}/\">
<h1>Essayez <a href='https://astroport.com'>ASTROPORT</a>/KODI</h1>" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/index.html
NEWIPFS=$(ipfs add -rHq ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/ | tail -n 1 )
IPNS=$(ipfs name publish --quieter --key="${INDEXPREFIX}${REFERENCE}" $NEWIPFS)
########################################################################

########################################################################
# PUBLISH GCHANGE AD
########################################################################
if [[ ! -f ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.gchange.ad ]]
then
	GOFFER=$(~/.zen/astrXbian/zen/jaklis/jaklis.py setoffer -t "#astroport ${INDEXPREFIX}${REFERENCE} ${TITLE}" -d "https://aries.copylaradio.com/ipns/$IPNS/" -p ~/.zen/astrXbian/disk.png)
	echo $GOFFER > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.gchange.ad
	NEWIPFS=$(ipfs add -rHq ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/ | tail -n 1 )
	IPNS=$(ipfs name publish --key="${INDEXPREFIX}${REFERENCE}" $NEWIPFS)
fi
########################################################################
# FIRST ${PREFIX}ASTRXBIAN header
[[ ! -f ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN ]] && echo "CAT;TMDB;YEAR;TITLE;SAISON;GENRES;GROUPES;RES;URLS=http://127.0.0.1:8181" > ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN

## CHECK IF $IPFSREPFILEID is NEW, or an already existing in SWARMs?
isFILEinINDEX=$(grep "$URLENCODE_FILE_NAME" ~/.zen/ipfs_swarm/.*/astroport/kodi/vstream/*ASTRXBIAN)
isLINKinINDEX=$(grep "$IPFSREPFILEID" ~/.zen/ipfs_swarm/.*/astroport/kodi/vstream/*ASTRXBIAN)

isFILEinMYINDEX=$(grep "$URLENCODE_FILE_NAME" ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN)
isLINKinMYINDEX=$(grep "$IPFSREPFILEID" ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN)

# Is it a new file? Add it to INDEX
if [[ ! $isFILEinINDEX && ! $isLINKinINDEX ]]; then
	mkdir -p ~/.zen/ipfs/.${IPFSNODEID}/PIN/${IPFSREPFILEID}/
	touch ~/.zen/ipfs/.${IPFSNODEID}/PIN/${IPFSREPFILEID}/$G1PUB
	# SIMILAR with "ipfs ls /ipns/${IPFSNODEID}/.${IPFSNODEID}/PIN/ (...)"
	# TODO: switch case $PREFIX
	if [[ -f ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/ajouter_video.txt ]]
	then
		line=$(cat ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/ajouter_video.txt | sed "s/_IPFSREPFILEID_/$IPFSREPFILEID/g")
	else
		line="$CAT;${REFERENCE};$YEAR;$TITLE;$SAISON;;${XZUID};$RES;/ipfs/$IPFSREPFILEID/$URLENCODE_FILE_NAME"
	fi
	echo "$line" >> ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN
else
	if [[ $isFILEinMYINDEX ]]; then
		echo "$file already in INDEX, updating IPFS link" ## File was updated => Change OLDLINK
		OLDLINK=$(echo $isFILEinMYINDEX | cut -d ";" -f 9  | cut -d "/" -f 3 | tail -n 1) # GRAB old ipfs id
		sed -i "s/$OLDLINK/$IPFSREPFILEID/g" ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN
	fi
	[[ $isLINKinINDEX ]] && echo "$IPFSREPFILEID already in INDEX $isLINKinINDEX DO NOTHING"
fi

echo "~/.zen/ipfs/.${IPFSNODEID}/${PREFIX}ASTRXBIAN"
echo "-----------------------------------------------------------------"
cat ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN ~/.zen/ipfs_swarm/.*/astroport/kodi/vstream/${PREFIX}* | sort | uniq > ~/.zen/ipfs/.${IPFSNODEID}/${PREFIX}ASTRXBIAN
echo "--------------- KODI INDEX UPDATED ----------------------"

# CLEAN all ipns keys except self
# for key in $(ipfs key list | grep -Ev 'self'); do ipfs key rm $key; done

########################################################################
# REFRESH IPNS SELF PUBLISH
########################################################################
~/.zen/astrXbian/zen/ipns_self_publish.sh
########################################################################

echo "NEW $TYPE ($file) ADDED."
echo "INDEX UPDATED : http://127.0.0.1:8181/ipns/${IPFSNODEID}/.${IPFSNODEID}/${PREFIX}ASTRXBIAN"
echo "VIDEO IPNS LINK : http://localhost:8181/ipns/$KEY/$G1PUB/"
exit 0