post_install()
{
	echo "Configuring PHP..."
	
	sed -i 's/;extension=curl.so/extension=curl.so/' /etc/php/php.ini
	sed -i 's/;extension=pdo_sqlite.so/extension=pdo_sqlite.so/' /etc/php/php.ini
	sed -i 's/;extension=posix.so/extension=posix.so/' /etc/php/php.ini
	sed -i 's/;extension=sqlite3.so/extension=sqlite3.so/' /etc/php/php.ini
	
	echo "Configuring Apache..."
	
	sed -i 's/LoadModule mpm_event_module modules\/mod_mpm_event.so/#LoadModule mpm_event_module modules\/mod_mpm_event.so/' /etc/httpd/conf/httpd.conf

	echo -e "\n# Start SpotCommander configuration" >> /etc/httpd/conf/httpd.conf
	echo "LoadModule mpm_prefork_module modules/mod_mpm_prefork.so" >> /etc/httpd/conf/httpd.conf
	echo "LoadModule php7_module modules/libphp7.so" >> /etc/httpd/conf/httpd.conf
	echo "Include conf/extra/php7_module.conf" >> /etc/httpd/conf/httpd.conf
	echo "Include conf/extra/spotcommander.conf" >> /etc/httpd/conf/httpd.conf
	echo -e "# End SpotCommander configuration\n" >> /etc/httpd/conf/httpd.conf

	echo -e "Alias /spotcommander /usr/share/webapps/spotcommander\n\n<Directory \"/usr/share/webapps/spotcommander\">\nAllowOverride AuthConfig\nRequire all granted\n</Directory>" > /etc/httpd/conf/extra/spotcommander.conf

	systemctl restart httpd.service 1>/dev/null 2>&1

	systemctl enable httpd.service 1>/dev/null 2>&1
	
	echo "Creating symlink..."
	
	ln -s /usr/share/webapps/spotcommander/bin/spotcommander /usr/bin/spotcommander
	
	echo "Adding daemon to startup applications..."
	
	echo -e "[Desktop Entry]\nType=Application\nName=SpotCommander\nExec=spotcommander start" > /etc/xdg/autostart/spotcommander.desktop

echo "
 --------------------------------------------------------------
 | Installation complete!                                     |
 |                                                            |
 | YOU MUST NOW RE-LOGIN TO YOUR DESKTOP TO START THE DAEMON. |
 |                                                            |
 | You should then be able to control Spotify by going to:    |
 |                                                            |
 | http://this.computers.ip.address.or.hostname/spotcommander |
 --------------------------------------------------------------
"

}

pre_upgrade()
{
	spotcommander stop
	
	echo "Backing up playlists and library in case of upgrade..."
	
	cp -p /usr/share/webapps/spotcommander/db/playlists.db /tmp/spotcommander-playlists.db
	cp -p /usr/share/webapps/spotcommander/db/library.db /tmp/spotcommander-library.db

	echo "Backing up Spotify authorization in case of upgrade..."

	cp -p /usr/share/webapps/spotcommander/run/spotify.country /tmp/spotcommander-spotify.country
	cp -p /usr/share/webapps/spotcommander/run/spotify.token /tmp/spotcommander-spotify.token
	cp -p /usr/share/webapps/spotcommander/run/spotify.username /tmp/spotcommander-spotify.username
	
	echo "Backing up authentication configuration in case of upgrade..."
	
	cp -p /usr/share/webapps/spotcommander/.htaccess /tmp/spotcommander-htaccess
	cp -p /usr/share/webapps/spotcommander/.htpasswd /tmp/spotcommander-htpasswd
}

post_upgrade()
{	
	if [ -e /tmp/spotcommander-playlists.db ]; then
	
		echo "Restoring playlists..."

		cp -p /tmp/spotcommander-playlists.db /usr/share/webapps/spotcommander/db/playlists.db
	
	fi

	if [ -e /tmp/spotcommander-library.db ]; then
	
		echo "Restoring library..."

		cp -p /tmp/spotcommander-library.db /usr/share/webapps/spotcommander/db/library.db
	
	fi

	if [ -e /tmp/spotcommander-spotify.token ]; then

		echo "Restoring Spotify authorization..."

		cp -p /tmp/spotcommander-spotify.country /usr/share/webapps/spotcommander/run/spotify.country
		cp -p /tmp/spotcommander-spotify.token /usr/share/webapps/spotcommander/run/spotify.token
		cp -p /tmp/spotcommander-spotify.username /usr/share/webapps/spotcommander/run/spotify.username

	fi
	
	if [ -e /tmp/spotcommander-htaccess ]; then
	
		echo "Restoring authentication configuration..."

		cp -p /tmp/spotcommander-htaccess /usr/share/webapps/spotcommander/.htaccess
		cp -p /tmp/spotcommander-htpasswd /usr/share/webapps/spotcommander/.htpasswd
	
	fi

echo "
 --------------------------------------------------------------
 | Upgrade complete!                                          |
 |                                                            |
 | YOU MUST NOW RE-LOGIN TO YOUR DESKTOP TO START THE DAEMON. |
 |                                                            |
 | You should then be able to control Spotify by going to:    |
 |                                                            |
 | http://this.computers.ip.address.or.hostname/spotcommander |
 --------------------------------------------------------------
"

}

pre_remove()
{
	spotcommander stop
	
	echo "Deleting files..."
	
	rm -f /usr/share/webapps/spotcommander/run/daemon-user-*.socket
	rm /usr/bin/spotcommander
	rm /etc/httpd/conf/extra/spotcommander.conf
	rm /etc/xdg/autostart/spotcommander.desktop
	
	echo "Configuring Apache..."
	
	sed -i '/# Start SpotCommander configuration/,/# End SpotCommander configuration/d' /etc/httpd/conf/httpd.conf

	sed -i 's/#LoadModule mpm_event_module modules\/mod_mpm_event.so/LoadModule mpm_event_module modules\/mod_mpm_event.so/' /etc/httpd/conf/httpd.conf

	systemctl restart httpd.service 1>/dev/null 2>&1
	
	echo "Uninstallation complete!"
}