#!/bin/sh

help_dir="@ededocdir@/manual"
browser_list="firefox mozilla konqueror opera navigator dillo"

program="ehelp"
url=""

if [ "$1" = "--help" ]; then
	cat <<EOF
Usage: $program [OPTIONS] [TITLE]
Display EDE Manual in the web browser
Options:
   --help         Show this help
   --titles       Show known titles

Example:
   $program evoke - display evoke help
EOF
	exit 1
fi

if [ "$1" = "--titles" ]; then
	echo "Known titles:"

	content=`ls $help_dir/ | sort -f`
	for c in $content; do
		# show only files (readable), stripping extension
		[ -r "$help_dir/$c" ] && echo " " $c | sed 's/\.html//g'
	done
	exit 0
fi

if [ -z "$1" ]; then
	url="$help_dir/index.html"
else
	url="$help_dir/$1.html"
	if [ ! -r "$url" ]; then
		echo "Unable to open $1. Going to start page..."
		url="$help_dir/index.html"
	fi
fi

# let browser knows it is a file
url="file://$url"

# try to find browser
if [ -z "$BROWSER" ]; then
	for i in $browser_list; do
		if which $i > /dev/null 2>&1; then
			BROWSER="$i"
			break;
		fi
	done
fi

if [ -z $BROWSER ]; then
	xmessage -title "$program error" -center -buttons "Close" -file - <<EOF
Failed to find any of known browsers!

If you thing that I made mistake, please try to set
BROWSER environment variable with full path pointing 
to the browser binary
EOF
	exit 1
fi

# run browser
$BROWSER $url

if [ $? -ne 0 ]; then
	xmessage -title "$program error" -center -buttons "Close" -file - <<EOF
Unable to run '$BROWSER'!

Please check if program path is correct or 
adjust BROWSER environment variable pointing
to the correct binary
EOF
	exit 1
fi

exit 0