#!/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
######## #### ### ## #
HOME=`cat conf/home_dir.txt`
########################################################################
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"

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


#echo "~/.zen/www/new_youtube_video_in_astroport.sh PATH/ \"$path\" FILE \"$file\""
echo "Checking if the file exists at :"
echo "$path$file"
echo "in ~/.zen/www/new_youtube_video_in_astroport.sh"
# .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 ${CAT} in
	youtube)
		INDEXPREFIX="YOUTUBE_"
		REFERENCE=$(echo "$file" | cut -d "_" -f 1) # Youtube filename starts with ID_
		TITLE=$(echo "$TITLE" | cut -d "_" -f 2-)
	;;
	mp3)
		## DIFFERENT TREATMENT
		INDEXPREFIX="MP3_"
		REFERENCE=$(echo "$file" | cut -d "_" -f 1) # Youtube filename starts with ID_
		echo "Please use new_mp3_in_astroport.sh ... EXIT"
		exit 1
	;;
	film | serie | anime)
		INDEXPREFIX="TMDB_"
		REFERENCE=$(echo "$path" | cut -d '/' -f 6 ) # Path contains TMDB id
		if ! [[ "$REFERENCE" =~ ^[0-9]+$ ]] # ${REFERENCE} NOT A NUMBER
		then
			echo "ERROR: $path BAD TMDB code. Get it from https://www.themoviedb.org/ "
			exit 1
		fi
	;;
	*)
		echo "$CAT inconnu" && exit 1
	;;
esac

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

		# DELETING GCHANGE AD, WILL BE CREATED AGAIN
		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
	else
		echo "FILE IS ALREADY EXISTING FROM ANOTHER FRIEND"
		echo ${isREFERENCEinINDEX} | head -n 1 | cut -d ":" -f 2-
		# I could send message to my friend, PIN, exchange contract... WHAT IS BEST TODO ??
	fi

	# DELETING OLD LINE FROM INDEX
	sed -i "/;$REFERENCE;/d" ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN

	# [[ "$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}/${G1PUB}/.ipns.key.natools.encrypt
else
	KEY=$(cat ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipns.link)
	KEYFILE=$(cat ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.ipns.key.keystore_filename)
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
echo "${TITLE}" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.title
echo "$(date -u +%s%N | cut -b1-13)" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.timestamp

# COPY "ajouter_video.txt" later used
[[ -f ~/astroport/${TYPE}/${REFERENCE}/ajouter_video.txt ]] && cp -f ~/astroport/${TYPE}/${REFERENCE}/ajouter_video.txt ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/

# IPNS index.html Redirect to ipfs streaming link (could be contract or anything else !!)
echo "<meta http-equiv=\"Refresh\" content=\"0;URL=http://127.0.0.1:8181/ipfs/$IPFSREPFILEID/$URLENCODE_FILE_NAME\">" > ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/index.html

IPNSLINK=$(ipfs key list -l | grep ${INDEXPREFIX}${REFERENCE} | cut -d ' ' -f 1)
echo "<meta http-equiv=\"Refresh\" content=\"10;URL=https://aries.copylaradio.com/ipns/$IPNSLINK/${G1PUB}/\">
<h1><a href='https://astroport.com'>ASTROPORT</a>/KODI</h1>
Pour regarder <a target='tmdb' href='https://www.themoviedb.org/search?query=${TITLE}'>${TITLE}</a>, rejoignez notre video-club et devenons amis...<br><br>
Installez <a href='https://copylaradio.com'>astrXbian</a>" > ~/.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 for TMDB film/serie/anime ONLY
########################################################################
if [[ "${CAT}" =~ ^(film|serie|anime)$ ]]
then
	if [[ ! -f ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.gchange.ad ]]
	then
		GOFFER=$(~/.zen/astrXbian/zen/jaklis/jaklis.py setoffer -t "${TITLE} #astroport #${INDEXPREFIX}${REFERENCE}" -d "https://aries.copylaradio.com/ipns/$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 --quieter --key="${INDEXPREFIX}${REFERENCE}" $NEWIPFS)
	fi
	echo "Annonce gchange : $(cat ~/.zen/KEY/${INDEXPREFIX}${REFERENCE}/${G1PUB}/.gchange.ad)"
fi

########################################################################
# NEW ${PREFIX}ASTRXBIAN FILE : Add header
[[ ! -f ~/.zen/ipfs/.${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

# MEMORIZE NEW PIN
mkdir -p ~/.zen/ipfs/.${IPFSNODEID}/PIN/${IPFSREPFILEID}/
touch ~/.zen/ipfs/.${IPFSNODEID}/PIN/${IPFSREPFILEID}/${G1PUB}

# ADD NEW LINE TO INDEX
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" | sed "s/_IPNSKEY_/$IPNS/g" )
else
	FILE_RES=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "${path}${file}" | cut -d "x" -f 2)
	RES=${FILE_RES%?}0p
	line="$CAT;${REFERENCE};$YEAR;$TITLE;$SAISON;;${IPNS};$RES;/ipfs/$IPFSREPFILEID/$URLENCODE_FILE_NAME"
fi
echo "-------------------- UPDATE MY INDEX -----------------------------"
echo "$line"
echo "$line" >> ~/.zen/ipfs/.${IPFSNODEID}/astroport/kodi/vstream/${PREFIX}ASTRXBIAN

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

########################################################################
# REFRESH IPNS SELF PUBLISH
########################################################################
./ipns_self_publish.sh
########################################################################

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