#!/bin/sh
set -e

avahi_install() {
	if [ -d /etc/avahi/services/ -a ! -e /etc/avahi/services/tt-rss.service -a ! -L /etc/avahi/services/tt-rss.service ] ; then
		ln -s ../../tt-rss/avahi.service /etc/avahi/services/tt-rss.service
	fi
}

lighttpd_install() {
	if which lighty-enable-mod >/dev/null 2>&1 ; then
		lighty-enable-mod tt-rss fastcgi fastcgi-php || true
		avahi_install
	fi
}

apache2_install() {
	if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
		apache2_invoke enconf 50-tt-rss
		avahi_install
	elif  dpkg-query -f '${Version}'  -W 'apache2.2-common' > /dev/null 2>&1 ; then
		if [ -d /etc/apache2/conf.d/ ] && [ ! -L /etc/apache2/conf.d/50-tt-rss.conf ] ; then
			ln -s ../conf-available/50-tt-rss.conf /etc/apache2/conf.d/50-tt-rss.conf
		fi
	fi
}

ttrss_config_set() {
	KEY="$1"
	VAL=`echo "$2" | sed 's~/~\\\/~g'`
	perl -p -i -e "s/define\('$KEY', '(.*)'\);/define('$KEY', '$VAL');/g" /etc/tt-rss/config.php
}

if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
	. /usr/share/apache2/apache2-maintscript-helper
fi

if [ "$1" = "configure" ]; then
	setperm() {
		FILE="$1"
		dpkg-statoverride --list "$FILE" >/dev/null || \
			dpkg-statoverride --update --add www-data www-data 755 "$FILE"
	}

	# tt-rss will write files into these directories
	setperm /var/lib/tt-rss/feed-icons
	setperm /var/lib/tt-rss
	setperm /var/cache/tt-rss/js
	setperm /var/cache/tt-rss/images
	setperm /var/cache/tt-rss/export
	setperm /var/cache/tt-rss/upload
	setperm /var/cache/tt-rss

	# deprecated directory of previous tt-rss versions
	if [ -d /var/cache/tt-rss/magpie ]; then
		rm -rf /var/cache/tt-rss/magpie
	fi

	# phpqrcode was previously embedded into tt-rss.
	# dpkg does not replace directories with symlinks.
	phpqrcodedir="/usr/share/tt-rss/www/lib/phpqrcode"
	phpqrcodelink="../../../phpqrcode"
	if [ -d $phpqrcodedir ] && [ ! -L $phpqrcodedir ]; then
		if rmdir $phpqrcodedir 2>/dev/null; then
			ln -sf $phpqrcodelink $phpqrcodedir
		fi
	fi

	# source debconf stuff
	if [ -f /usr/share/debconf/confmodule ]; then
		. /usr/share/debconf/confmodule
	fi

	# dbconfig-common
	if [ -f /usr/share/dbconfig-common/dpkg/postinst ]; then
		. /usr/share/dbconfig-common/dpkg/postinst
		dbc_generate_include="php:/etc/tt-rss/database.php"
		dbc_generate_include_owner="root:www-data"
		dbc_generate_include_perms="0640"
		dbc_pgsql_createdb_encoding="UTF8"

		dbc_go tt-rss $@
	fi

	# webserver configuration
	db_get tt-rss/reconfigure-webserver
	webservers="$RET"

	for webserver in $webservers; do
		webserver=${webserver%,}
		if [ "$webserver" = "lighttpd" ]; then
			lighttpd_install
		elif [ "$webserver" = "apache2" ]; then
			apache2_install
		fi

		# Reload webserver in any case, configuration might have changed
		# Redirection of 3 is needed because Debconf uses it and it might 
		# be inherited by webserver. See bug #446324.
		if [ -x /usr/sbin/invoke-rc.d ]; then
			invoke-rc.d $webserver reload 3>/dev/null || true
		else
			/etc/init.d/$webserver reload 3>/dev/null || true
		fi
	done

	# set tt-rss according to config
	db_get tt-rss/self_url_path
	ttrss_config_set "SELF_URL_PATH" "$RET"
fi

# Automatically added by dh_installinit/13.3.3
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/tt-rss" ]; then
		update-rc.d tt-rss defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native tt-rss $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.3.3
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'tt-rss.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'tt-rss.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'tt-rss.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'tt-rss.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.3.3
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'tt-rss.service' >/dev/null || true
	fi
fi
# End automatically added section


exit 0