#!/bin/bash
RSYNCFILE="/tmp/rsync_files.txt"
MUSICDir="/data/DatenLucas/Music/Musik/"
if [[ -d /home/lucas/.quodlibet/playlists/ ]]; then
	PLPATH="/home/lucas/.quodlibet/playlists/"
elif [[ -d /home/lucas/.config/quodlibet/playlists/ ]]; then
	PLPATH="/home/lucas/.config/quodlibet/playlists/"
else
	echo "No Playlist Directory found. Exiting"
	exit
fi
if [ -f /home/lucas/.LOG/rsync.log ]; then
	rm /home/lucas/.LOG/rsync.log
fi
PHONE_path="Default Path"
if [ -d /run/user/1000/gvfs/mtp* ]; then
	PHONE_path="/run/user/1000/gvfs/$(ls /run/user/1000/gvfs/ | grep "mtp")/Internal shared storage/"
fi
ANDR_MUSIC="Music"
PHONE_PL_PATH="/\/storage\/emulated\/0\/${ANDR_MUSIC}\/"
i=0
SYNC=true
DRY_RUN=false
RESYNC=false
COPY=false
RELOAD_PLAYLIST=false
playlist_array=()
usage() {
        printf "Usage
	-p <pl1> <pl2>\t\tSync Playlists
	-resync\t\t\tResync all Playlists
	-reloadPlaylist\t\tCopy Playlists only 
	-all\t\t\tSync all Playlists in ${PLPATH}
	-PO\t\t\tDont Sync
	-copy\t\tCopy Files
	-dry\t\t\tDry Run
	-folder\t\tSync To /win10/Users/lucas/Music/
	-watch\t\tSync To Garmin Watch
	-help\t\t\tDisplay this\n"
}
get_config() {
while [[ ${1:0:1} != "" ]]; do
	if [ $1 == -resync ]; then
		RESYNC=true
		shift 1
		continue
	fi
	if [ $1 == -reloadPlaylist ]; then
		RELOAD_PLAYLIST=true
		break
	fi
	if [ $1 == -help ]; then 
		usage
		exit
	fi
	if [ $1 == -dry ]; then 
		DRY_RUN=true
		shift 1
		continue
	fi
	if [ $1 == -copy ]; then 
		COPY=true
		shift 1
		continue
	fi
	if [ $1 == -diff ]; then 
		DIFF=true
		shift 1
		continue
	fi
	if [ $1 == -folder ]; then 
		PHONE_path="/win10/Users/lucas/Music/"
		PHONE_PL_PATH="\/win10\/Users\/lucas\/Music\/"
		rm -dr ${PHONE_path}Music/*
		shift 1
		continue
	fi
	if [ $1 == -watch ]; then 
		if [[ "$(ls /run/user/1000/gvfs/mtp*)" != "" ]]; then
			PHONE_path="/run/user/1000/gvfs/mtp:host=091e_4c05_0000c6a66cb9/Primary/"
		else
			echo "No Watch Path found"
		fi	
		shift 1
		continue
	fi
	if [ $1 == -p ]; then 
		shift 1
		echo "Sync Playlists in Arguments"
		while [[ ${1:0:1} != "" ]] && [[ ${1:0:1} != "-" ]]; do
			ls "${PLPATH}"$1 >>/dev/null 2>&1
			if [ $? -ne 0 ]; then
				echo "No such Playlist $1"
				shift 1
				continue
			fi

			arr=($(ls "${PLPATH}"$1 | rev | cut -f1 -d'/' | rev))
			printf "Sync "
			for ((i=0;i<${#arr[@]};i++)); do printf "%s " "${arr[$i]}"; done
			printf "? (y/*) "
			read -t 10 -n 2 choice
			if [ "$choice" != "y" ]; then
				printf "\nAbort\n"
				shift 1
				continue
			fi
			playlist_array+=($(ls "${PLPATH}"$1 | rev | cut -f1 -d'/' | rev))
			((i++))
			shift 1
			continue
		done
		continue
	fi
	echo "Parameter $1 discarded"
   	usage
   	exit
done
}

if [ $# -lt 1 ]; then 
	echo "Too few Arguments"
	usage
	exit 0
fi
get_config "$@"
if [ ! -d "${PHONE_path}" ]; then
	echo "Phone Path: ${PHONE_path} not found"
	exit
else
	echo "Phone Path: ${PHONE_path}"
fi
if [[ "${RESYNC}" == "true" ]] || [[ "${RELOAD_PLAYLIST}" == "true" ]] ; then
	playlist_array+=($(ls /run/user/1000/gvfs/mtp:host=*/Internal\ shared\ storage/Playlists/ | sed 's/\.m3u//g'))
	if [[ "${RELOAD_PLAYLIST}" == "true" ]]; then
		SYNC=false
	fi
fi
if [[ "${DIFF}" == "true" ]]; then
	for playlist in "${playlist_array[@]}"; do
		echo "Check Handy Playlist ${playlist} for Changes"
		cat ${PHONE_path}BlackPlayer/Playlists/${playlist}.m3uBackup | sed 's/\/storage\/emulated\/0\/Music\///g' | sort > .handy_${playlist}
		cat ${PLPATH}${playlist} | sed 's/\/data\/DatenLucas\/Music\/Musik\///g' | sort > .quodlibet_${playlist}
		IFS=$'\n'; set -f
		in_quodlibet=("$(diff .handy_${playlist} .quodlibet_${playlist} | grep '> ' | sed 's/> //g')")
		in_handy=($(diff .handy_${playlist} .quodlibet_${playlist} | grep '< ' | sed 's/< //g'))
		rm .quodlibet_${playlist} .handy_${playlist}
		if [ ${#in_handy[@]} -gt 0 ]; then 
			printf "####  Handy ####\n\n"
		else
			printf "No Differences found\n"
		fi
		for song in ${in_handy[@]}; do 
			echo "Keep ${song}?(y/*)"
			read -t 10 -n 2 choice
			if [ "$choice" != "y" ]; then
				printf "Delete\n"
			else 
				echo "/data/DatenLucas/Music/Musik/${song}" >> ${PLPATH}${playlist}		
			fi
		done
		unset IFS; set +f
	done
fi

for playlist in "${playlist_array[@]}"; do
	IFS=$'\n'
	PL_songs=($(cat "${PLPATH}${playlist}"))
	unset IFS
	NOW=$(pwd)
	cd ${MUSICDir}
	> ${RSYNCFILE}
	for ((i=0;i<${#PL_songs[@]};i++)); do
		ACT_PATH="$(echo "${PL_songs[$i]}" | rev | cut -f2- -d'/' | rev | sed 's/\/data\/DatenLucas\/'"${ANDR_MUSIC}"'\/Musik\///g')/"
		NAME="$(echo "${PL_songs[$i]}" | rev | cut -f1 -d'/' | rev)"
		echo "${ACT_PATH}${NAME}" >> ${RSYNCFILE}
	done
	if ${SYNC}; then
		if ${DRY_RUN}; then
			echo "Dry Run"
			rsync -n -v --inplace --progress --omit-dir-times --no-perms --size-only --files-from=${RSYNCFILE} . "${PHONE_path}"${ANDR_MUSIC}/
		else
			if [[ "${COPY}" == "true" ]];then 
				printf "\nCopy $(ls "${PLPATH}${playlist}")\n"
				IFS=$'\n'; set -f
				count=0
				for file in $(cat ${RSYNCFILE}); do 
					num=$(cat ${RSYNCFILE} | wc -l)
					path=$(echo "$file" | rev | cut -f2- -d'/' | rev)
					if [ ! -d "${PHONE_path}${ANDR_MUSIC}/${path}/" ]; then
						echo "mkdir ${PHONE_path}${ANDR_MUSIC}/${path}/"
						mkdir -p "${PHONE_path}${ANDR_MUSIC}/${path}/"
					fi
					echo "cp ${file}"
					cp --force --no-preserve=ownership --no-preserve=timestamps ${file} ${PHONE_path}${ANDR_MUSIC}/${path}/
					((count++))
				done
				unset IFS; set +f
			else
				printf "\nSyncing $(ls "${PLPATH}${playlist}")\n"
				rsync -v --inplace --progress --delete --omit-dir-times --no-perms --size-only --files-from=${RSYNCFILE} . "${PHONE_path}"${ANDR_MUSIC}/ 2>>~/.LOG/rsync.log
			fi

		fi
	fi
	rm ${RSYNCFILE}
	cd ${PLPATH}
	echo "Copy ${playlist}.m3u"

	cp ${playlist} /tmp/${playlist}.m3u
	sed -i 's/\/data\/DatenLucas\/Music\/Musik\/'"${PHONE_PL_PATH}"'/g' "/tmp/${playlist}.m3u"
	if [ -d "${PHONE_path}Playlists/" ]; then 
		cp --no-preserve=ownership --force --no-preserve=timestamps "/tmp/${playlist}.m3u" "${PHONE_path}Playlists/"
	else
		echo "No ${PHONE_path}Playlists/ Directory"
	fi
	rm "/tmp/${playlist}.m3u"
	cd ${NOW}
done
for playlist in ${PLPATH}*; do
	echo "Backup $(echo ${playlist} | rev | cut -f1 -d'/' | rev).m3u"
	cp ${playlist} /home/lucas/Music/Playlists/$(echo ${playlist} | rev | cut -f1 -d'/' | rev).m3u
	cp ${playlist} /home/lucas/Music/Playlists/WIN10/$(echo ${playlist} | rev | cut -f1 -d'/' | rev)_WIN10.m3u
	sed -i 's/\/data/D:/g' "/home/lucas/Music/Playlists/WIN10/$(echo ${playlist} | rev | cut -f1 -d'/' | rev)_WIN10.m3u"
	sed -i 's/\//\\/g' "/home/lucas/Music/Playlists/WIN10/$(echo ${playlist} | rev | cut -f1 -d'/' | rev)_WIN10.m3u"
done
IFS=$'\n'
for file in $(cat /home/lucas/.LOG/rsync.log | grep mp3 |cut -f2 -d'"'); do 
	rm "$file"
done
#cat TopOldSchool1 | rev | cut -f1 -d'/' | rev > TopOldSchool
#sort -um  TopOldSchool1 TopOldSchool
#awk '!a[$0]++' TopOldSchool TopOldSchool1 > TopOldSchool2

#cat TopOldSchool | sort >> TopOldSchool9
#diff TopOldSchool8 TopOldSchool9