#!/bin/bash

# dummy tox-node compilation and setup script by ru_maniac
# please use with caution, as i'm very unexperienced at scripting
# tested on Debian Jessie and Ubuntu 15.04
# TODO: automate bootstrap nodes' list replacement

LINE="\n##############################################\n"

# main variables
# for LANDISCOVERY, USEMOTD, VAUUM and TCPRELAY -- only true or false, unless you want for bad things to happen

LANDISCOVERY="false"
TCPRELAY="true"
USEMOTD="true"
MOTD="ru_maniac's secondary bootstrap node"
VACUUM="false"

service tox-bootstrapd stop && rm /etc/tox-bootstrapd.conf

if [ -z "$LANDISCOVERY" ]
        then
	echo -$LINE
                echo "LAN discovery settings variable is not set. Please fix this before running me\n$LINE"
                exit 1
fi


if [ -z "$TCPRELAY" ]
        then
	echo $LINE
                echo "TCP relay settings variable is not set. Please fix this before running me\n$LINE"
                exit 1
fi


if [ -z "$VACUUM" ]
        then
	echo $LINE
                echo "Cleaning option is not set. Please fix this before running me\n$LINE"
                exit 1
fi

if [ -z "$USEMOTD" ]
        then
	echo $LINE
                echo "MOTD usage variable is not set. Please fix this before running me\n$LINE"
                exit 1
fi

# installing prerequisites
echo "$LINE"
echo "Downloading and installing necessary packages...\n$LINE"
apt-get -y install git build-essential libtool autotools-dev automake checkinstall check git yasm libsodium13 libsodium-dev libconfig-dev

# cloning into repo
echo "$LINE"
echo "Cloning into toxcore repo and downloading latest version...\n$LINE"
git clone https://github.com/irungentoo/toxcore.git
cd toxcore

# configuring the build
echo $LINE
echo "Configuring buildscript and compiling from source...\n$LINE"
./autogen.sh
./configure --enable-daemon
make
mkdir /usr/local/include
checkinstall
dpkg -i toxcore*.deb

# adding our user and creating settings file
echo $LINE
echo "Creating user for daemon and tweaking its privilegies...\n$LINE"
useradd --home-dir /var/lib/tox-bootstrapd --create-home --system --shell /sbin/nologin --comment "TOX DHT bootstrap daemon" --user-group tox-bootstrapd &> /dev/null

# adjusting privilegies
chmod 700 /var/lib/tox-bootstrapd  &> /dev/null
cp other/bootstrap_daemon/tox-bootstrapd.conf /etc/tox-bootstrapd.conf &> /dev/null

# adjusting LAN discovery, TCP relaying and deciding on MOTD usage
if [ "$LANDISCOVERY" = "false" ]

    then
	echo "\nDisabling LAN discovery for this node...\n"
	sed -ri 's/^enable_lan_discovery .*/enable_lan_discovery = false/' /etc/tox-bootstrapd.conf
    else
	echo -en "PLEASE NOTE: LAN discovery is enabled for this node. You can later adjust this by editing /etc/tox-bootstrapd.conf\n"

fi

if [ "$TCPRELAY" = "false" ]

    then
	echo "\nDisabling fallback for TCP connections...\n"
	sed -ri 's/^enable_tcp_relay .*/enable_tcp_relay = false/' /etc/tox-bootstrapd.conf
    else
	echo -en "PLEASE NOTE: TCP-relaying is enabled for this node. You can later adjust this by editing /etc/tox-bootstrapd.conf\n"

fi

if [ "$USEMOTD" = "false" ]

    then
	echo -en "\nDisabling MOTD message...\n"
	sed -ri 's/^enable_motd .*/enable_motd = false/' /etc/tox-bootstrapd.conf
    else
	echo -en "Adjusting MOTD as requested..\n."
	# adjusting MOTD
	sed -ri "s/^motd .*/motd = \"$MOTD\"/" /etc/tox-bootstrapd.conf

fi

# installing runscript
echo $LINE
echo "Installing runscript and rebuilding defaults file\n$LINE"
cp other/bootstrap_daemon/tox-bootstrapd.sh /etc/init.d/tox-bootstrapd &> /dev/null
chmod 755 /etc/init.d/tox-bootstrapd &> /dev/null
update-rc.d tox-bootstrapd defaults
ldconfig
service tox-bootstrapd start

# checking if its running, and print message accordingly
if pgrep "tox-bootstrapd" > /dev/null

    then
    echo "$LINE"
	echo "Seems like everything went okay, and Tox bootstrap daemon is now running. Please review its config file located at /etc/tox-bootstrapd.conf, and adjust settings if necessary. Your node's public key can be found in output of tail -f /var/log/syslog|grep tox-bootstrapd command\n$LINE"

    else
    echo $LINE
	echo "I couldnt fine Tox bootstrap daemon amongst active processes. Please try to run in manually via commanding service tox-bootstrapd start, while checking output of tail -f /var/log/syslog|grep tox-bootstrapd command\n$LINE"

fi

# removing toxcore directory with all the garbage left inside

if [ "$VACUUM" = "true" ]

    then
    echo $LINE
	echo "Removing temporary build directory\n$LINE"
	rm -rf toxcore
    else
    echo $LINE
	echo "We are NOT removing toxcore directory with all the build garbage left inside. Please consider removing it manually\n$LINE"

fi

exit 0