#!/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="${0##*/}"
echo '
########################################################################
# \\///
# qo-op
############# '$MY_PATH/$ME'
########################################################################
# ex: ./'$ME'
# #zenyta = youtube-dl video to ~/.zen/miam/$timestamp
########################################################################
'
######## YOUTUBE-DL ##########
if [[ ! $(which youtube-dl) ]]; then
    sudo curl -s https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl || err=1
    sudo chmod a+rx /usr/local/bin/youtube-dl
    sudo chown $(whoami) /usr/local/bin/youtube-dl
fi

mkdir -p ~/.zen/miam/

self=$(sbotc whoami | jq -r .id) || exit 1
[[ "$self" == "" ]] && exit 1
g1self=$(echo $self | cut -d '@' -f 2 | cut -d '.' -f 1 | base64 -d | base58)
self_name=$(sbotc query.read '{"query":[{"$filter":{"value":{"author": "'"$self"'", "content":{"type":"about", "about": "'"$self"'"}}}}]}' | jq -r .value?.content?.name | grep -v null | tail -n 1)
ipfsnodeid=$(ipfs id -f='<id>\n')

current_ts=$(date -u +%s%N | cut -b1-13)
[ -s ~/.zen/zenyta.last.ts ] && last_ts=$(cat ~/.zen/zenyta.last.ts) || last_ts=$((current_ts - 24*3600*1000)) # 24h ago
last_ts=$((last_ts + 10))

echo "Hi, i am [$self_name]($self)
last timestamp: $last_ts"
echo '
a u d i o
                  _   _       
 __ _   _  _   __| | (_)  ___ 
/ _` | | || | / _` | | | / _ \
\__,_|  \_,_| \__,_| |_| \___/
                              
'


#messages=$(sbotc messagesByType '{"type":"post","gt":'$last_ts'}')
# SEARCH "#zenyta" CMD in message text
echo "sbotc backlinks.read '{\"query\":[{\"\$filter\":{\"dest\":\"#zenyta\",\"value\":{\"content\":{\"type\":\"post\"}},\"timestamp\":{\"\$gt\":'\"$last_ts\"'}}}]}'"
messages=$(sbotc backlinks.read '{"query":[{"$filter":{"dest":"#zenyta","value":{"content":{"type":"post"}},"timestamp":{"$gt":'"$last_ts"'}}}]}')
[[ $messages == "" ]] && messages=$(sbotc query.read '{"query":[{"$filter":{"value":{"author": "'"$WHOAMI"'", "content":{"type":"zenyta"}}}}]}') && echo "sbotc query.read '{\"query\":[{\"\$filter\":{\"value\":{\"author\": \"'"$WHOAMI"'\", \"content\":{\"type\":\"zenyta\"}}}}]}'"
while read -r msg
do
    # EXTRACT CMD PARAM
    msg_key=$(printf %s "$msg" | jq -r .key)
    author=$(printf %s "$msg" | jq -r .value.author)
    timestamp=$(printf %s "$msg" | jq -r .value.timestamp)

    # TEST CURRENT NODE last_ts
    [[ $timestamp -lt $last_ts ]] && echo "$last_ts:  ALREADY DONE $msg_key timestamp is $timestamp " && continue

    # SWARM REFRESH
    $MY_PATH/ipfs_SWARM_refresh.sh
    # SWARM ALREADY DONE IT ??
    # IS LIKE "SELECT FROM ipfs_swarm WHERE _tag.zensource=$timestamp"(or something like that in SQL), means a ZenTag already exists.
   	CHECKSWARM=$(grep -Rwl "$timestamp" ~/.zen/ipfs_swarm/.12D3KooW*/TAG/*/_tag.zensource | tail -n 1 | cut -f 6 -d '/')
    # OR SWARM PROCESS IN ACTION (NB: copy tasks must be asynchronous in swarm)
    [[ ! $CHECKSWARM ]] && CHECKSWARM=$(grep -Rwl "$timestamp" ~/.zen/ipfs_swarm/.12D3KooW*/TAG/process.timestamp.ssb | tail -n 1 | cut -f 6 -d '/')
	[[ $CHECKSWARM ]] \
    && echo "$timestamp ALREADY on NODE $CHECKSWARM CONTINUE" \
    && echo "$timestamp" > ~/.zen/zenyta.last.ts \
    && continue

    # ANTI DOUBLE COPY START
    echo "$timestamp" > ~/.zen/ipfs/.$ipfsnodeid/process.timestamp.ssb
    $MY_PATH/ipfs_SWARM_refresh.sh
    # ANTI DOUBLE COPY
    
    msg_root=$(printf %s "$msg" | jq -r .value.content.root)
    msg_branch=$(printf %s "$msg" | jq -r .value.content.branch)
    msg_text=$(printf %s "$msg" | jq -r .value.content.text)
    msg_ytdlurl=$(echo $msg_text | egrep -o 'https?://[^ ]+' | grep you | cut -d '\' -f 1 | tail -n 1)

    # YOUTUBE-DL AUDIO

[[ $timestamp ]] && mkdir -p ~/.zen/miam/$timestamp

[[ $msg_ytdlurl ]] && /usr/local/bin/youtube-dl -x --audio-format mp3 \
--write-thumbnail --write-info-json --add-metadata --embed-thumbnail \
--no-mtime -o "~/.zen/miam/$timestamp/%(id)s.%(ext)s" $msg_ytdlurl

    # REFERENCE msg_key AND timestamp
    [[ $timestamp ]] && echo "$((timestamp + 1))" > ~/.zen/zenyta.last.ts
    [[ $msg_key ]] && echo "$msg_key" >  ~/.zen/miam/$timestamp/msg_key
    
    $MY_PATH/miam_miam.sh "$timestamp"

    # ANTI DOUBLE COPY END 
    rm ~/.zen/ipfs/.$ipfsnodeid/process.timestamp.ssb
    $MY_PATH/ipfs_SWARM_refresh.sh
    # ANTI DOUBLE COPY
    
done < <(printf '%s\n' "$messages")