#!/bin/bash

prog="$0"
while [ -h "${prog}" ]; do
	newProg=`/bin/ls -ld "${prog}"`

	newProg=`expr "${newProg}" : ".* -> \(.*\)$"`
	if expr "x${newProg}" : 'x/' >/dev/null; then
		prog="${newProg}"
	else
		progdir=`dirname "${prog}"`
		prog="${progdir}/${newProg}"
	fi
done
progdir=`dirname "${prog}"`
cd "${progdir}"
progdir=$(pwd)

num=$(mount |grep "/external"|wc -l)
if [ $num -lt 1 ]; then
	mkdir -p external >/dev/null 2>&1
	mount -o bind,shared emby.external external
	echo "mount emby.external to external to mark shared"
fi

mkdir -p external/rclone.media rclone.cache
chmod 777 external/rclone.media rclone.cache

url=$(cat rclone.conf |grep -E "^url"|sed -e 's/.*\(http.*\)/\1/'|head -1)
echo "webdav url:$url"

mkdir -p ${progdir}/emby.tmp
chmod 777 ${progdir}/emby.tmp
export TMPDIR=${progdir}/emby.tmp

if [ "$SELFIP" == "" ]; then
	interface=$(ip route show | grep default | awk '{print $5}')
	export SELFIP=$(ip addr show $interface | grep -w inet | awk '{print $2}' | cut -d/ -f1|head -1)
	echo "DETECT SELF IP:${SELFIP}, if this is not correct, change SELFIP to your real ip"
fi

curl -v -L $url
if [ $? -eq 0 ]; then
	echo "WARN:webdavsim is running, data may be outdate."
else
	echo "run webdavsim..."
	chmod u+x tmuxrunwebdavsim.sh
	tmux -V
	if [ $? -eq 0 ]; then
		./tmuxrunwebdavsim.sh
	else
		nohup ./runwebdavsim.sh >/dev/null 2>&1 &
	fi
fi

echo "TRY CONNECT webdavsim, please wait... abount(30s)"
webdavsimok="0"
for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
do
	echo "loop: $i"
	curl -v -L $url
	if [ $? -eq 0 ]; then
		webdavsimok="1"
		break
	fi
	echo "found error, sleep 3s, and retry..."
	sleep 3
done

num=$(ps -ef|grep  "rclone --config"|grep -v grep|wc -l)
if [ $num -gt 1 ]; then
	echo "more than 1 run, exit myself."
	exit
fi

if [ "$webdavsimok" != "1" ]; then
	echo "webdavsim not run, exit"
	exit
fi

echo "ready to rclone mount, please wait...(abount 60s)"
#rclone --config rclone.conf mount webdavsim-nas:/dav external/rclone.media --daemon --daemon-wait 60s --no-check-certificate --allow-other --umask 000 --default-permissions --dir-cache-time 1h --webdav-vendor rclone --vfs-cache-mode writes --vfs-read-chunk-size 32M --vfs-read-chunk-size-limit 1G --buffer-size 64M --vfs-cache-max-age 1h --vfs-cache-max-size 10G --timeout 1800s --contimeout 10s --daemon-timeout 300s --poll-interval 10s --low-level-retries 2 --cache-dir rclone.cache --log-file rclone.log
rclone --config rclone.conf mount webdavsim-nas:/dav external/rclone.media --daemon --daemon-wait 60s --no-check-certificate --allow-other --umask 000 --default-permissions --dir-cache-time 1h --webdav-vendor rclone --vfs-cache-mode off --timeout 1800s --contimeout 10s --daemon-timeout 300s --poll-interval 10s --low-level-retries 2 --log-file rclone.log
echo "mount ok"

interface=$(ip route show | grep default | awk '{print $5}')
SELFIP=$(ip addr show $interface | grep -w inet | awk '{print $2}' | cut -d/ -f1|head -1)
echo "DETECT SELF IP:${SELFIP}, if this is not correct, change SELFIP to your real ip"

if [ "$SELFIP" != "" ]; then
	if [ ! -e config.selfip.modified.dat ]; then
		if [ -e emby.config/config/system.xml ]; then
			touch config.selfip.modified.dat
			echo "auto change embysim's selfip to $SELFIP, please restart embysim"
			sed -i -e "/<LocalNetworkAddresses>/{:a;N;/<\/LocalNetworkAddresses>/!ba;s/.*<\/LocalNetworkAddresses>/<LocalNetworkAddresses><string>$SELFIP<\/string><\/LocalNetworkAddresses>/}" emby.config/config/system.xml
			sed -i -e "s/<LocalNetworkAddresses \/>/<LocalNetworkAddresses><string>$SELFIP<\/string><\/LocalNetworkAddresses>/" emby.config/config/system.xml
		fi
	fi
fi