#!/bin/bash

# Ubu's Engine-X Script
set -x
# set -x should cause the script to run verbosely.  May be useful for tracking
# down bugs, but can also be commented out for cleaner output.

# The following variables define the file locations.  Change them however you
# wish, though you might not want to change the NGINX variable.

PODCAST=/etc/nginx/podcast.conf
GAMESTREAM=/etc/nginx/game.conf

# And here's the meat and potatoes.  This symlinks the desired profile, starts
# the server, waits for you to press enter (which you would do after a stream),
# and then kills the server, and deletes the symlink.  This causes nginx to fail
# to launch on it's own, so no streaming can be done with the wrong profile.

get_root()
	# Elevates script to root privilges, as many of the functions
	# require such.  This function was lifted from the Crashplan
	# installer script for Linux.

	# To do: How is the recall managed?  Check the source script.
	# May not be needed if script is run separately, as opposed to
	# as a function in a larger script.

	( if [ "${USERNAME}" != "root" ]
		then
			echo "\n\t This script must be run as root."
			echo -n "\n\t Would you like to switch users and run as\
			root? (y/n) [y] "
			read YN
			if [ "x${YN}" == "x" ]
				then
					YN=y
			fi

			if [ "${YN}" == "y" ]
				then
					echo "  switching to root"
					sudo ${0} recall
					exit 0
				else
					echo "\n\t Cannot continue, exiting..."
					exit 1
				fi
		else
			echo "\n\t detected root permissions"
		fi )

main_func()
  ( echo " Engine-X should now be running, executing ps aux|grep nginx to confirm:"
    ps aux|grep nginx
    echo "\n\n Press Enter at any time to kill the nginx process"
    read enterKey
    /usr/local/nginx/sbin/nginx -s stop
    echo "\n\n Verifying that nginx is stopped, output should be empty"
    ps aux|grep nginx
    echo "\n End of output."
  )
get_root
if [ $1 = podcast ]
  then
    /usr/local/nginx/sbin/nginx -c $PODCAST
    main_func
  else
    /usr/local/nginx/sbin/nginx -c $GAMESTREAM
    main_func
fi