#!/bin/sh

set -e

. /usr/share/debconf/confmodule

db_title "Samba Server"

SERVER_ROLE=`samba-tool testparm --parameter-name="server role"  2>/dev/null | tail -1`
if [ ! -z "$SERVER_ROLE" ]; then
	db_set samba4/server-role "$SERVER_ROLE"
fi

REALM=`samba-tool testparm --parameter-name=realm  2>/dev/null | tail -1`
if [ -z "$REALM" ]; then
	REALM=`hostname -d | tr 'a-z' 'A-Z'`
fi
if [ -z "$REALM" ]; then
	# Default to localdomain if there are no good alternatives.
	REALM=localdomain
fi
db_set samba4/realm "$REALM"

#
# Are we upgrading from Samba 3, and already have a configuration file?
# If so, the user might want to try the automatic upgrading.
#
if [ -n "$2" ] && dpkg --compare-versions "$2" lt "3.9.0"; then
	if [ -f /etc/samba/smb.conf ]; then
		db_input medium samba4/upgrade-from-v3 || true
	fi
fi

db_input high samba4/server-role || true
db_go
db_get samba4/server-role
if [ "$RET" != "none" ]; then
	db_input medium samba4/realm || true
	db_go || true
fi

# only ask this question on installs that require provisioning
if [ "$1" = "configure" ] && ([ -z "$2" ] && [ ! -e "/var/lib/samba/private/sam.ldb" ] ) || [ "$1" = "reconfigure" ]; then
	while :; do
		RET=""
		db_input high samba4/admin_password || true
		db_go
		db_get samba4/admin_password
		# if password isn't empty we ask for password verification
		if [ -z "$RET" ]; then
			db_fset samba4/admin_password seen false
			db_fset samba4/admin_password_again seen false
			break
		fi
		ADMIN_PW="$RET"
		db_input high samba4/admin_password_again || true
		db_go
		db_get samba4/admin_password_again
		if [ "$RET" = "$ADMIN_PW" ]; then
			ADMIN_PW=''
			break
		fi
		db_fset samba4/password_mismatch seen false
		db_input critical samba4/password_mismatch
		db_set samba4/admin_password ""
		db_set samba4/admin_password_again ""
		db_go
	done
fi