#!/bin/bash


# Help Function
EngineHelp()
{
	
	echo
	echo "Usage: `basename $0` [OPTION] [ARGUMENT]..."
	
	echo
	echo "OPTION:"
	echo " `basename $0` [system]	[install|remove|purge] [nginx|php|mysql|postfix|--all]"

	echo
	echo " `basename $0` [site]	[read]	 [all|active|sitename]"
	echo " `basename $0` [site]	[create] [sitename] [--with-wordpress]"
	echo " `basename $0` [site]	[update] [sitename] [singlesite] [w3total|wpsuper|fastcgi]"
	echo " `basename $0` [site]	[update] [sitename] [multisite]  [subdirectory|subdomain] [w3total|wpsuper|fastcgi]"
	echo " `basename $0` [site]	[delete] [sitename] [--database|--webroot|--all]"

	echo
	echo " `basename $0` [config]	[set|get] [memory|timeout]"

	echo
	echo "Exit status:"
	echo "   0 if OK,"
	echo " 100 sudo privilege required,"
	echo " 101 command failed to execute,"

}


# Make Variables Available For Later Use
LOGDIR=/var/log/easyengine
MAINLOG=/var/log/easyengine/main.log
ERRORLOG=/var/log/easyengine/error.log


# Capture Errors
OwnError()
{

	echo -e "[ `date` ] \033[31m $@ \e[0m" | tee -ai $ERRORLOG
	exit 101

}


# GET Information Function
MYSQLINFO()
{

	# Get The MySQL Username/Password
	read -p "MySQL Host [localhost]: " MYSQLHOST
	read -p "Enter The MySQL Username: " MYSQLUSER

	# Turn Off Echo For Passwords
	stty -echo
	read -p "Enter The MySQL Password: " MYSQLPASS
	stty echo
	echo
	
	read -p "Enter The MySQL Database Name [$DOMAIN]: " WPDBNAME

	# If Enter Is Pressed, Then Use localhost as MySQL Host
	if [[ $MYSQLHOST = "" ]]
	then
		MYSQLHOST=localhost
		#echo $MYSQLHOST
	fi

	# If Enter Is Pressed, Then Use $DOMAIN As Database Name
	if [[ $WPDBNAME = "" ]]
	then
		WPDBNAME=$DOMAIN
		#echo $WPDBNAME
	fi

	# Create Database
	mysql -u $MYSQLUSER -p$MYSQLPASS -e "create database \`$WPDBNAME\`" \
	|| OwnError "Unable To Create $WPDBNAME Database"

}


WEBUSERINFO()
{

	# Nginx User
	NGINXUSER=$(grep user /etc/nginx/nginx.conf | cut -d' ' -f2 | cut -d';' -f1) \
	|| OwnError "Unable To Findout Nginx Username"

}


NGINXRELOAD()
{

	# Test & Reload Nginx
	echo -e "\033[34m Reloading Nginx Configuration, Please Wait...  \e[0m"
	nginx -t && service nginx reload || OwnError "Unable To Reload Nginx"

}


PHPSTART()
{

	# Check PHP5-FPM IS Running
	service php5-fpm status

	if [ $? -ne 0 ]
	then
		echo -e "\033[34m Restarting PHP5-FPM, Please Wait...  \e[0m"
		service php5-fpm start || OwnError "Unable To Restart PHP5-FPM"
	fi

}





# Easy Engine System Settings
if [ "$1" = "system" ]
then

	# Easy Engine Install
	if [ "$2" = "install" ]
	then
		
		if [ "$3" = "nginx" ]
		then

			# Install Python Software Properties
			echo -e "\033[34m Installing Python Software Properties...  \e[0m"
			sudo apt-get -y install python-software-properties \
			|| OwnError "Unable To Install Python Software Properties"

			# Add Nginx Launchpad Repository
			echo -e "\033[34m Adding Brianmercer Nginx Launchpad Repository...  \e[0m"
			sudo add-apt-repository ppa:brianmercer/nginx \
			|| OwnError "Unable To Add Nginx Launchpad Repository"
			
			# Update The APT Cache
			echo -e "\033[34m Updating APT Cache...  \e[0m"
			sudo apt-get update 2> /tmp/keymissing || OwnError "Unable To Update APT Cache"
			for key in $(grep "NO_PUBKEY" /tmp/keymissing |sed "s/.*NO_PUBKEY //")
			do
				echo -e "\033[34m Processing key: $key \e[0m"
				gpg --keyserver subkeys.pgp.net --recv $key && sudo gpg --export --armor $key | apt-key add -
			done

			# Install Nginx
			echo -e "\033[34m Installing Nginx...  \e[0m"
			sudo apt-get -y install nginx-custom || OwnError "Unable To Install Nginx"
			
		elif [ "$3" = "php" ]
		then

			# Install Python Software Properties
			echo -e "\033[34m Installing Python Software Properties...  \e[0m"
			sudo apt-get -y install python-software-properties \
			|| OwnError "Unable To Install Python Software Properties"

			# Add PHP Launchpad Repository
			echo -e "\033[34m Adding PHP5 Launchpad Repository...  \e[0m"
			sudo add-apt-repository ppa:ondrej/php5 \
			|| OwnError "Unable To Add PHP5 Launchpad Repository"

			# Update The APT Cache
			echo -e "\033[34m Updating APT Cache...  \e[0m"
			sudo apt-get update 2> /tmp/keymissing || OwnError "Unable To Update APT Cache"
			for key in $(grep "NO_PUBKEY" /tmp/keymissing |sed "s/.*NO_PUBKEY //")
			do
				echo -e "\033[34m Processing key: $key \e[0m"
				gpg --keyserver subkeys.pgp.net --recv $key && sudo gpg --export --armor $key | apt-key add -
			done

			# Install PHP5
			echo -e "\033[34m Installing PHP5...  \e[0m"
			sudo apt-get -y install php5-common php5-mysql php5-xmlrpc \
			php5-cgi php5-curl php5-gd php5-cli php5-fpm php-apc php-pear \
			php5-dev php5-imap php5-mcrypt || OwnError "Unable To Install PHP5"
			
		elif [ "$3" = "mysql" ]
		then

			# Update The APT Cache
			echo -e "\033[34m Updating APT Cache...  \e[0m"
			sudo apt-get update || OwnError "Unable To Update APT Cache"

			# Install MySQL
			echo -e "\033[34m Installing MySQL...  \e[0m"
			sudo apt-get -y install mysql-server mysqltuner \
			|| OwnError "Unable To Install MySQL"			

		elif [ "$3" = "postfix" ]
		then
			# Update The APT Cache
			echo -e "\033[34m Updating APT Cache...  \e[0m"
			sudo apt-get update || OwnError "Unable To Update APT Cache"
			
			# Install Postfix
			echo -e "\033[34m Installing Postfix...  \e[0m"
			sudo apt-get -y install postfix || OwnError "Unable To Install Postfix"

		elif [ "$3" = "--all" ]
		then
			
			# Install Python Software Properties
			echo -e "\033[34m Installing Python Software Properties...  \e[0m"
                        sudo apt-get -y install python-software-properties \
                        || OwnError "Unable To Install Python Software Properties"

                        # Add Nginx Launchpad Repository
			echo -e "\033[34m Adding Brianmercer Nginx Launchpad Repository...  \e[0m"
                        sudo add-apt-repository ppa:brianmercer/nginx \
                        || OwnError "Unable To Add Nginx Launchpad Repository"
			
			# Add PHP Launchpad Repository
			echo -e "\033[34m Adding PHP5 Launchpad Repository...  \e[0m"
                        sudo add-apt-repository ppa:ondrej/php5 \
                        || OwnError "Unable To Add PHP5 Launchpad Repository"

                        # Update The APT Cache
			echo -e "\033[34m Updating APT Cache...  \e[0m"
			sudo apt-get update 2> /tmp/keymissing || OwnError "Unable To Update APT Cache"
			for key in $(grep "NO_PUBKEY" /tmp/keymissing |sed "s/.*NO_PUBKEY //")
			do
				echo -e "\033[34m Processing key: $key \e[0m"
				gpg --keyserver subkeys.pgp.net --recv $key && sudo gpg --export --armor $key | apt-key add -
			done

			# Install Nginx PHP5 MySQL Postfix
			echo -e "\033[34m Installing Nginx PHP5 MySQL Postfix...  \e[0m"
                        sudo apt-get -y install nginx-custom php5-common php5-mysql php5-xmlrpc \
                        php5-cgi php5-curl php5-gd php5-cli php5-fpm php-apc php-pear \
                        php5-dev php5-imap php5-mcrypt mysql-server mysqltuner postfix \
			|| OwnError "Unable To Install Nginx PHP5 MySQL Postfix"

		else
			EngineHelp
		fi


	# Easy Engine Remove
	elif [ "$2" = "remove" ]
	then
		
		if [ "$3" = "nginx" ]
                then

			# Remove Nginx
			echo -e "\033[34m Removing Nginx...  \e[0m"
			sudo apt-get -y remove nginx || OwnError "Unable To Remove Nginx"

		elif [ "$3" = "php" ]
                then

			# Remove PHP5
			echo -e "\033[34m Removing PHP5...  \e[0m"
			sudo apt-get -y remove php5-common php5-mysql php5-xmlrpc \
                        php5-cgi php5-curl php5-gd php5-cli php5-fpm php-apc php-pear \
                        php5-dev php5-imap php5-mcrypt || OwnError "Unable To Remove PHP5"

		elif [ "$3" = "mysql" ]
		then

			# Remove MySQL
			echo -e "\033[34m Removing MySQL...  \e[0m"
			sudo apt-get -y remove mysql-server mysqltuner \
                        || OwnError "Unable To Remove MySQL"

		elif [ "$3" = "postfix" ]
		then

			# Remove Postfix
			echo -e "\033[34m Removing Postfix...  \e[0m"
			sudo apt-get -y remove postfix || OwnError "Unable To Remove Postfix"

		elif [ "$3" = "--all" ]
		then

			# Remove All
			echo -e "\033[34m Removing Nginx PHP5 MySQL Postfix...  \e[0m"
			sudo apt-get -y remove nginx php5-common php5-mysql php5-xmlrpc \
                        php5-cgi php5-curl php5-gd php5-cli php5-fpm php-apc php-pear \
                        php5-dev php5-imap php5-mcrypt mysql-server mysqltuner postfix \
                        || OwnError "Unable To Remove Nginx PHP5 MySQL Postfix"	

		else
			EngineHelp
		fi


	# Easy Engine Purge
	elif [ "$2" = "purge" ]
	then
		
		if [ "$3" = "nginx" ]
                then

			# Purge Nginx
			echo -e "\033[34m Purge Nginx...  \e[0m"
			sudo apt-get -y remove --purge nginx || OwnError "Unable To Purge Nginx"

		elif [ "$3" = "php" ]
                then

			# Purge PHP5
			echo -e "\033[34m Purge PHP5...  \e[0m"
			sudo apt-get -y remove --purge php5-common php5-mysql php5-xmlrpc \
                        php5-cgi php5-curl php5-gd php5-cli php5-fpm php-apc php-pear \
                        php5-dev php5-imap php5-mcrypt || OwnError "Unable To Purge PHP5"

		elif [ "$3" = "mysql" ]
		then

			# Purge MySQL
			echo -e "\033[34m Purge MySQL...  \e[0m"
			sudo apt-get -y remove --purge mysql-server mysqltuner \
                        || OwnError "Unable To Purge MySQL"

		elif [ "$3" = "postfix" ]
		then

			# Purge Postfix
			echo -e "\033[34m Purge Postfix...  \e[0m"
			sudo apt-get -y remove --purge postfix || OwnError "Unable To Purge Postfix"

		elif [ "$3" = "--all" ]
		then

			# Purge All
			echo -e "\033[34m Purge Nginx PHP5 MySQL Postfix...  \e[0m"
			sudo apt-get -y remove --purge nginx php5-common php5-mysql php5-xmlrpc \
                        php5-cgi php5-curl php5-gd php5-cli php5-fpm php-apc php-pear \
                        php5-dev php5-imap php5-mcrypt mysql-server mysqltuner postfix \
                        || OwnError "Unable To Purge Nginx PHP5 MySQL Postfix"	

		else
			EngineHelp
		fi


	# Easy Engine Help
	else
		EngineHelp
	fi





# Easy Engine Site Settings
elif [ "$1" = "site" ]
then

	# Easy Engine Read
	if [ "$2" = "read" ]
	then

		if [ "$3" = "all" ]
		then

			# Display The List Of All Sites
			echo -e "\033[34m List Of All (sites-available) Websites \e[0m"
			ls /etc/nginx/sites-available/ \
			|| OwnError "Unable To Display The List Of Websites"

		elif [ "$3" = "active" ]
		then

			# Display The List Of Active Sites
			echo -e "\033[34m List Of Active (sites-enabled) Websites \e[0m"
			ls /etc/nginx/sites-enabled/ \
			|| OwnError "Unable To Display The List Of Active Websites"

		elif [ "$3" != "all" ] && [ "$3" != "active" ] && [ -n "$3" ]
		then

			# Check The Website Is Exist
			ls /etc/nginx/sites-available/$3 &> /dev/null \
			|| OwnError "The $3 Is Not Found In Available Websites List"
			if [ $? -eq 0 ]
			then

				# Display The Specific Site Configuration
				echo -e "\033[34m Display The $3 Configuration Settings \e[0m"
				cat /etc/nginx/sites-available/$3 \
				|| OwnError "Unable To Display The $3 Configuration Settings"
			fi

		else
			EngineHelp

		fi


	# Easy Engine Create
	elif [ "$2" = "create" ]
	then

		if [ -n "$3" ]
		then

			# Remove http:// & www.
			DOMAIN=$(echo $3 | sed "s'http://''" | sed "s'www.''")

			# Creating Site
			echo -e "\033[34m Creating $DOMAIN, Please Wait...  \e[0m"
			sed "s/example.com/$DOMAIN/g" \
			/usr/share/easyengine/nginx/singlesite/basic.conf \
			> /etc/nginx/sites-available/$DOMAIN \
			|| OwnError "Unable To Create Configuration File For $DOMAIN"

			# Creating Symbolic Link
			echo -e "\033[34m Creating Symbolic Link  \e[0m"
			ln -s /etc/nginx/sites-available/$DOMAIN /etc/nginx/sites-enabled/ \
			|| OwnError "Unable To Create Symbolic Link For $DOMAIN"

			# Creating Htdocs & Logs Directory
			echo -e "\033[34m Creating htdocs & logs Directory  \e[0m"
			(mkdir -p /var/www/$DOMAIN/htdocs; mkdir -p /var/www/$DOMAIN/logs) \
			|| OwnError "Unable To Create htdocs & logs Directory"

			# Creating Symbolic Links For Logs
			echo -e "\033[34m Creating Symbolic Link For Logs  \e[0m"
			ln -s /var/log/nginx/$DOMAIN.access.log /var/www/$DOMAIN/logs/access.log \
			&& ln -s /var/log/nginx/$DOMAIN.error.log /var/www/$DOMAIN/logs/error.log \
			|| OwnError "Unable To Create Symbolic Link For $DOMAIN Logs"


			if [ "$4" = "--with-wordpress" ]
			then

				# Download Latest Wordpress
				echo -e "\033[34m Downloading WordPress  \e[0m"
				wget -cO /var/www/$DOMAIN/htdocs/latest.tar.gz  \
				http://wordpress.org/latest.tar.gz

				# Extracting Wordpress
				tar --strip-components=1 -zxf /var/www/$DOMAIN/htdocs/latest.tar.gz \
				-C /var/www/$DOMAIN/htdocs/

				# Removing Wordpress Archive
				rm /var/www/$DOMAIN/htdocs/latest.tar.gz

				# Call MYSQLINFO Function For MySQL Values
				MYSQLINFO

				# Modify wp-config.php
				cp -v /var/www/$DOMAIN/htdocs/wp-config-sample.php \
				/var/www/$DOMAIN/htdocs/wp-config.php

				sed -i "s/database_name_here/$WPDBNAME/" \
				/var/www/$DOMAIN/htdocs/wp-config.php

				sed -i "s/username_here/$MYSQLUSER/" \
				/var/www/$DOMAIN/htdocs/wp-config.php
				
				sed -i "s/password_here/$MYSQLPASS/" \
				/var/www/$DOMAIN/htdocs/wp-config.php

				sed -i "s/localhost/$MYSQLHOST/" \
				/var/www/$DOMAIN/htdocs/wp-config.php

				printf '%s\n' "g/put your unique phrase here/d" \
				a "$(curl -L https://api.wordpress.org/secret-key/1.1/salt/)" . w \
				| ed -s /var/www/$DOMAIN/htdocs/wp-config.php
								
			fi

			# Call WEBUSERINFO Function For Web User Details
			WEBUSERINFO

			# Change Ownership
			echo -e "\033[34m Changing Ownership  \e[0m"
			#echo $NGINXUSER $DOMAIN
			chown -R $NGINXUSER:$NGINXUSER /var/www/$DOMAIN/

			# Reload Nginx Configuration
			NGINXRELOAD

			# Start PHP-FPM If Not Running
			PHPSTART

		else
			EngineHelp
		fi


	# Easy Engine Update
	elif [ "$2" = "update" ]
	then

		if [ -n "$3" ]
		then

			# Remove http:// & www.
			DOMAIN=$(echo $3 | sed "s'http://''" | sed "s'www.''")

			if [ "$4" = "singlesite" ]
			then

				if [ "$5" = "w3total" ]
				then

					# Taking Backup
					mv /etc/nginx/sites-available/$DOMAIN \
					/etc/nginx/sites-available/$DOMAIN.bak

					# Updating Site
					echo -e "\033[34m Updating $DOMAIN For W3TotalCache, Please Wait...  \e[0m"
					sed "s/example.com/$DOMAIN/g" \
					/usr/share/easyengine/nginx/singlesite/w3-total-cache.conf \
					> /etc/nginx/sites-available/$DOMAIN \
					|| OwnError "Unable To Update Configuration File For $DOMAIN"

					# Reload Nginx Configuration
					NGINXRELOAD
					
				elif [ "$5" = "wpsuper" ]
				then

					# Taking Backup
					mv /etc/nginx/sites-available/$DOMAIN \
					/etc/nginx/sites-available/$DOMAIN.bak

					# Updating Site
					echo -e "\033[34m Updating $DOMAIN For WPSuperCache, Please Wait...  \e[0m"
					sed "s/example.com/$DOMAIN/g" \
					/usr/share/easyengine/nginx/singlesite/wp-super-cache.conf \
					> /etc/nginx/sites-available/$DOMAIN \
					|| OwnError "Unable To Update Configuration File For $DOMAIN"

					# Reload Nginx Configuration
					NGINXRELOAD
					
				elif [ "$5" = "fastcgi" ]
				then

					# Taking Backup
					mv /etc/nginx/sites-available/$DOMAIN \
					/etc/nginx/sites-available/$DOMAIN.bak

					# Updating Site
					echo -e "\033[34m Updating $DOMAIN For Fastcgi Cache, Please Wait...  \e[0m"
					sed "s/example.com/$DOMAIN/g" \
					/usr/share/easyengine/nginx/singlesite/fastcgi-cache.conf \
					> /etc/nginx/sites-available/$DOMAIN \
					|| OwnError "Unable To Update Configuration File For $DOMAIN"

					# Reload Nginx Configuration
					NGINXRELOAD

				else
					EngineHelp		
				fi


			elif [ "$4" = "multisite" ]
			then

					echo "Under Developments !!"

			else
				EngineHelp
			fi


		else
			EngineHelp
		fi


	# Easy Engine Delete
	elif [ "$2" = "delete" ]
	then

		if [ -n "$3" ]
		then

			# Remove http:// & www.
			DOMAIN=$(echo $3 | sed "s'http://''" | sed "s'www.''")

			# Delete Site
			echo -e "\033[34m Deleting $DOMAIN, Please Wait...  \e[0m"
			rm /etc/nginx/sites-available/$DOMAIN /etc/nginx/sites-enabled/$DOMAIN

			# Remove Symbolic Links For Logs Files
			echo -e "\033[34m Remove Symbolic Link For $DOMAIN Logs...  \e[0m"
			rm /var/www/$DOMAIN/logs/{access,error}.log

			if [ "$4" = "--database" ]
			then

				# Get The Database Details
				MYSQLUSER=$(grep DB_USER /var/www/$DOMAIN/htdocs/wp-config.php \
				| cut -d"'" -f4)

				MYSQLPASS=$(grep DB_PASSWORD /var/www/$DOMAIN/htdocs/wp-config.php \
				| cut -d"'" -f4)
				
				WPDBNAME=$(grep DB_NAME /var/www/$DOMAIN/htdocs/wp-config.php \
				| cut -d"'" -f4)

				# Remove Database
				echo -e "\033[34m Removing Database $WPDBNAME... \e[0m"
				mysql -u $MYSQLUSER -p$MYSQLPASS -e "drop database \`$WPDBNAME\`" \
				|| OwnError "Unable To Drop $WPDBNAME Database"

			elif [ "$4" = "--webroot" ]
			then

				# Remove Webroot For $DOMAIN
				echo -e "\033[34m Removing /var/www/$DOMAIN Directory... \e[0m"
				rm -rf /var/www/$DOMAIN

			elif [ "$4" = "--all" ]
			then
				
				# Get The Database Details
				MYSQLUSER=$(grep DB_USER /var/www/$DOMAIN/htdocs/wp-config.php \
				| cut -d"'" -f4)

				MYSQLPASS=$(grep DB_PASSWORD /var/www/$DOMAIN/htdocs/wp-config.php \
				| cut -d"'" -f4)
				
				WPDBNAME=$(grep DB_NAME /var/www/$DOMAIN/htdocs/wp-config.php \
				| cut -d"'" -f4)

				# Remove Database
				echo -e "\033[34m Removing Database $WPDBNAME... \e[0m"
				mysql -u $MYSQLUSER -p$MYSQLPASS -e "drop database \`$WPDBNAME\`" \
				|| OwnError "Unable To Drop $WPDBNAME Database"

				# Remove Webroot For $DOMAIN
				echo -e "\033[34m Removing /var/www/$DOMAIN Directory... \e[0m"
				rm -rf /var/www/$DOMAIN

			fi

			# Reload Nginx Configuration
			NGINXRELOAD

		else
			EngineHelp
		fi


	# Easy Engine Help
	else
		EngineHelp
	fi


	


# Easy Engine Config Settings
elif [ "$1" = "config" ]
then

	echo "Under Developments !!"

# Easy Engine Help
else
	EngineHelp
fi