usa-game.sh

#!/bin/bash

# Trap Ctrl+C interupt
trap finish INT

exec_cmd_nobail() {
	bash -c "$1"
}

exec_cmd() {
	exec_cmd_nobail "$1" || bail
}

# Ok message
ok()
{
	echo -e "\e[32mOK.\e[0m"
}

# Error message
err()
{
	echo -e "\e[33mOK, but maybe some warnings or errors have occurred. See '.err_usa' file.\e[0m"
}

# If file bigger than 0 bytes - error, else - ok
check() {
	if [ "$1" == "usa" ]
	then
		# Import vars
		. ../.temp_usa

		# Get current size of error log file
		CURRSIZE=`stat -c %s ../.err_usa`

		# Replace size with new current size
		bash -c "perl -p -i.old -e 's/(?<=SIZE=\")\d+/$CURRSIZE/g' ../.temp_usa"
	else
		. .temp_usa
		CURRSIZE=`stat -c %s .err_usa`
		bash -c "perl -p -i.old -e 's/(?<=SIZE=\")\d+/$CURRSIZE/g' .temp_usa"
	fi

	# If current size bigger than saved - error, else - ok
	[[ $CURRSIZE -gt $SIZE ]] && err || ok
}

# Func to handle Ctrl+C
finish() {
	echo "Stopping NodeJS daemon..."
	forever stopall &> /dev/null
	exit
}

# Creating temp cfg file
touch .temp_usa
touch .err_usa

# If file empty - add two zero vars
if [ ! -s .temp_usa ]
then
	exec_cmd "echo 'MAIN=\"0\"' > .temp_usa"
	exec_cmd "echo 'ADD=\"0\"' >> .temp_usa"
	exec_cmd "echo 'SIZE=\"0\"' >> .temp_usa"
fi

# Make executable to import vars
chmod +x .temp_usa
. .temp_usa

# Install basic things
if [ "$MAIN" != "1" ]
then
	echo "Installing git, curl and basic tools for building..."
	bash -c "sudo apt-get install -y git curl build-essential 2>> .err_usa 1> /dev/null"
	check

	echo "Installing nodejs..."
	bash -c "curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash - 2>> .err_usa 1> /dev/null"
	bash -c "sudo apt-get install -y nodejs 2>> .err_usa 1> /dev/null"
	check

	echo "Installing Chromium..."
	bash -c "sudo apt-get install -y chromium chromium-l10n chromium-inspector 2>> .err_usa 1> /dev/null"
	check

	echo "Cloning, please, enter your GitLab credentials..."
	git clone https://gitlab.com/mr14mr/usa-game.git
	ok

	# Set installed flag
	bash -c "perl -p -i.old -e 's/(?<=MAIN=\")\d+/1/g' .temp_usa"
fi

cd usa-game

# Install project things
if [ "$ADD" != "1" ]
then
	echo "Installing all node modules for the project..."
	bash -c "npm install 2>> ../.err_usa 1> /dev/null"
	check usa

	echo "Installing bower and forever..."
	bash -c "sudo npm install -g bower forever 2>> ../.err_usa 1> /dev/null"
	check usa

#	echo "Installing all bower modules for the project..."
#	bash -c "bower install 2>> ../.err_usa 1> /dev/null"
#	check usa

	echo "Creating tmp.txt file for the project..."
	touch tmp.txt
	if [[ -z "$2" ]]
	then
		exec_cmd "echo '1' > tmp.txt"
	else
		exec_cmd "echo '$2' > tmp.txt"
	fi
	ok

	# Set installed flag
	bash -c "perl -p -i.old -e 's/(?<=ADD=\")\d+/1/g' ../.temp_usa"
fi

# Start NodeJS and Chromium
echo "Starting NodeJS daemon..."
bash -c "forever start index.js 2>> ../.err_usa 1> /dev/null"
sleep 2
check usa

echo "Starting Chromium..."
if [ "$1" == "-k" ]
then
	chromium --kiosk http://localhost:8080/game &> /dev/null
else
	chromium http://localhost:8080/game &> /dev/null
fi
ok

echo "Stopping NodeJS daemon..."
bash -c "forever stopall 2>> ../.err_usa 1> /dev/null"
check usa