#!/bin/bash

language=$(locale -l)
# The locale can be a single 2 char language or in severall segments like en, se_SE or sr_Latn_ME
# this tries to get the 2 char language code from longer locales as a fallback
languageBase=$(echo $language | awk -F_ '{print $1}')
userGuideURL="\
	https://www.haiku-os.org/docs/userguide/en/contents.html"
userGuideDir=/boot/system/documentation/userguide/
userGuide=$userGuideDir/en/contents.html
localizedUserGuide=$userGuideDir/"$language"/contents.html
localizedUserGuideBase=$userGuideDir/"$languageBase"/contents.html

if [ -f $localizedUserGuide ]; then
	open file:$localizedUserGuide
elif [ -f $localizedUserGuideBase ]; then
	open file:$localizedUserGuideBase
elif [ -f $userGuide ]; then
	open $userGuide
else
	open $userGuideURL
fi