#! /bin/sh
#
# $Id: ispell-config,v 1.3 2004/11/17 01:19:28 alek Exp $
#
# Script to change the default language for ispell.
# Parts borrowed from a similar script for Debian Linux.
#
# By: Jason Ish <jasoni@openbsd.org>

PREFIX=/usr/local
DICT_DIR=/usr/local/lib/ispell

choose_default()
{
	echo -n "Select the number of the new default dictionary [0] "
	if [ "x$1" = "x" ]; then
		read num
	else
		num=$1
	fi
	selected_num=${num:-1}
	selected=`echo -e $dictionaries | grep "\[$selected_num\]" | awk '{print $2}'`

	if [ -z $selected ]
	then
	  echo -e "\nInvalid choice - try again!\n"
	  choose_default
	fi
}

# Do we have permission to change the default dictionary?
if [ ! -w ${DICT_DIR} ]; then
	echo ""
	echo "***"
	echo "Sorry, but you do not have permission to change"
	echo "the default dictionary."
	echo "***"
	echo ""
	exit
fi

# Get list of dictionaries.
dictionaries=`ls ${DICT_DIR}/*.aff \
	| grep -v default \
	| sed "s%${DICT_DIR}/%%" \
	| sed "s%\.aff%%" \
	| awk '{printf ("\\\t[%d] %s\\\n", NR, $1)}'` 2> /dev/null
if [ "x$dictionaries" = "x" ]; then
	echo ""
	echo "***"
	echo "There are no languages present.  Install at least one language and re-run."
	echo "***"
	echo ""
	exit
fi

# Get current default dictionary.
if [ -f ${DICT_DIR}/default.aff ]; then
	default_dict=`readlink ${DICT_DIR}/default.aff \
		| sed "s%\.aff%%" \
		| sed "s%.*/%%"` 
	if [ -z $default_dict ]; then
		default_dict="None"
	fi
else
	default_dict="None"
fi

echo ""
echo "Current default dictionary: $default_dict"
dictionaries="\t[0] Current\n"${dictionaries}
echo -e $dictionaries

choose_default $1

# Set the default dictionary
if [ $selected_num = 0 ]; then
	echo ""
	echo "Keeping the current dictionary."
	echo ""
else
	if [ ! -e ${DICT_DIR}/$selected.aff ]; then
		echo "Error: $selected.aff does not exist."
		exit
	fi
	if [ ! -e ${DICT_DIR}/$selected.hash ]; then
		echo "Error: $selected.hash does not exist."
		exit
	fi
	rm -f ${DICT_DIR}/default.aff
	ln -s ./$selected.aff ${DICT_DIR}/default.aff
	rm -f ${DICT_DIR}/default.hash
	ln -s ./$selected.hash ${DICT_DIR}/default.hash

	echo ""
	echo "The default dictionary is now: $selected"
	echo ""
fi