#!/bin/bash
set -eo pipefail

# Set locale to C.UTF-8
export "LANG=C.UTF-8"
export "LC_LOCALE=${LANG}"

# Create and cd into 'out' directory
if [ -n "${LINKGEN_TRASH_OUT_DIR}" ]; then
	echo ":: Removing \"out\" directory"
	rm -rf out
	mkdir -p out
elif [ ! -d "out" ]; then
	echo ":: Creating \"out\" directory"
	mkdir -p out
fi
cd out

if [ -n "${LINKGEN_VERBOSE}" ]; then
	echo ":: Enabling verbose output"
	set -x
fi

# Function to generate a link
function generate-link() {
	echo ":: Creating link '${1}' titled '${2}' redirecting to '${3}'"
	cp ../template.html "${1}.html"
	sed -i "s/\_TITLE\_/${2//\//\\/}/g" "${1}.html"
	sed -i "s/\_RDURL\_/${3//\//\\/}/g" "${1}.html"
}

if [ -z "${LINKGEN_NO_DEFAULT}" ]; then
	# LINKGEN_NO_DEFAULT is undefined, generate default links
	echo ":: Generating StarOpenSource's default links"
	# General
	generate-link "website" "StarOpenSource's website" "https://staropensource.de"
	generate-link "status" "StarOpenSource Infrastructure Status" "https://status.staropensource.de"
	generate-link "filesystem" "StarOpenSource /fs/" "https://fs.staropensource.de"
	generate-link "git" "sos!git" "https://git.staropensource.de"
	generate-link "fedi" "sos!fly" "https://fly.staropensource.de"
	generate-link "piped" "sos!piped" "https://piped.staropensource.de"
	# Terms of Service
	generate-link "tos" "StarOpenSource's General Terms of Service" "https://staropensource.de/#general"
	generate-link "tos-general" "StarOpenSource's General Terms of Service" "https://staropensource.de/#general"
	generate-link "tos-git" "sos!git's Terms of Service" "https://staropensource.de/#sosgit"
	generate-link "tos-fedi" "sos!fly's Terms of Service" "https://staropensource.de/#sosfly"
	# Repositories
	generate-link "repos" "StarOpenSource's repositories" "https://git.staropensource.de"
	generate-link "repos-core" "The CORE Framework repository" "https://git.staropensource.de/StarOpenSource/CORE"
	generate-link "repos-sui" "StarOpenSource UI repository" "https://git.staropensource.de/StarOpenSource/SUI"
	generate-link "repos-besseretests" "Bessere Tests repository" "https://git.staropensource.de/StarOpenSource/BessereTests"
	generate-link "repos-server-kernel" "StarOpenSource's server kernel repository" "https://git.staropensource.de/StarOpenSource/server-kernel"
	# Documentation
	generate-link "docs" "StarOpenSource's documentation" "https://docs.staropensource.de"
	generate-link "docs-core" "The CORE Framework documentation" "https://core.staropensource.de"
	generate-link "docs-sui" "StarOpenSource UI documentation" "https://sui.staropensource.de"
else
	# LINKGEN_NO_DEFAULT is defined, generate custom link
	if [ -z "${3}" ]; then
		# Not enough arguments, display help
		echo ":: At least three arguments are required."
		echo "   Usage: ./build.sh \<link name\> \<link title\> \<link url\>"
	else
		# Enough arguments, generate link
		generate-link "${1}" "${2}" "${3}"
	fi
fi