#!/bin/bash
# preinst script for coremanager
#
# see: dh_installdeb(1)

#set -e

# summary of how this script can be called:
#        * <new-preinst> `install'
#        * <new-preinst> `install' <old-version>
#        * <new-preinst> `upgrade' <old-version>
#        * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

COREDIR=/usr/local/mgr5
MGR=core
	
# Clean old external libs
if [ -d ${COREDIR}/external ]; then
	find ${COREDIR}/external -type f | grep -v gtest | awk '{print "dpkg -S " $1 " >/dev/null 2>&1 || rm " $1}' | sh
	find ${COREDIR}/external -type l | grep -v gtest | awk '{print "dpkg -S " $1 " >/dev/null 2>&1 || rm " $1}' | sh
fi

case "$1" in
	install)

		test "#${ISPCONVERT}" = "#yes" && exit 0

		Error() {
			echo -e "\033[1;31m$@\033[0m"
		}

		test -f /.dockerinit && exit 0

		test "#${IGNORE_HOSTNAME}" = "#yes" && exit 0
		
		## Checking /usr/local/ispmgr
		if [ "${MIGRATION}" != "mgr5" ] && [ -d /usr/local/ispmgr ]; then
			Error "================================================="
			Error "Directory /usr/local/ispmgr exist!"
			Error "Working with old version is unsupported!"
			Error "================================================="
			exit 1
		fi

		# Ignoring hostname
		exit 0

		## Checking hostname
		HOSTNAME=$(hostname -f)
		
		bad_hostname_msg() {
			Error "================================================="
			Error "You have invalid hostname: \"${HOSTNAME}\"" 
			Error "Please change your hostname to correct."
			Error "See http://en.wikipedia.org/wiki/Hostname"
			Error "================================================="
			exit 1
		}
		LENGTH=0
		LENGTH=$(echo ${HOSTNAME} | wc -m)
		if [ ${LENGTH} -lt 2 -o ${LENGTH} -gt 50 ]; then
			bad_hostname_msg
		fi
		if ! echo ${HOSTNAME} | grep -q '\.'; then
			bad_hostname_msg
		fi
		if echo ${HOSTNAME} | grep -q '_'; then
			bad_hostname_msg
		fi
		TOPLEVEL=$(echo ${HOSTNAME} | awk -F. '{print $NF}')
		if [ -z "${TOPLEVEL}" ]; then
			bad_hostname_msg
		fi
		if [ -n "$(echo ${TOPLEVEL} | sed -r 's/[a-zA-Z0-9\-]//g')" ]; then
			bad_hostname_msg
		fi
	;;
	upgrade)
		if [ ! -f /etc/apt/sources.list.d/ispsystem-base.list ]; then
			cat /etc/apt/sources.list.d/ispsystem.list | sed -r 's|intrepo\.||g; s|(\s)\w+-|\1base-|' > /etc/apt/sources.list.d/ispsystem-base.list
		fi
		mkdir -p ${COREDIR}/tmp
		${COREDIR}/sbin/mgrctl -l || :
	;;
	abort-upgrade)
	;;
	
	*)
		echo "preinst called with unknown argument \`$1'" >&2
		exit 1
	;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.



exit 0