#!/bin/sh

PATH_TO_SITE="${1:-/app/site}"

set -eu

[ ! -d "${PATH_TO_SITE}" ] && echo "= Cannot check HTML content: no site asset found" && exit 1

NUMBER_OF_CPUS="$(grep -c processor /proc/cpuinfo)"

echo "=== Checking HTML content..."

# Search for all HTML files except the theme's partials
# and pipe this to htmlproofer with parallel threads
# (one htmlproofer per vCPU)
find "${PATH_TO_SITE}" -type f -not -path "/app/site/theme/*" \
	-name "*.html" -print0 \
| xargs -0 -r -P "${NUMBER_OF_CPUS}" -I '{}' \
	htmlproofer \
	--check-html \
	--check_external_hash \
	--alt_ignore="/traefikproxy-vertical-logo-color.svg/" \
	--http_status_ignore="0,500,501,503" \
	--file_ignore="/404.html/" \
	--url_ignore="/https://groups.google.com/a/traefik.io/forum/#!forum/security/,/localhost:/,/127.0.0.1:/,/fonts.gstatic.com/,/.minikube/,/github.com\/traefik\/traefik\/*edit*/,/github.com\/traefik\/traefik/,/doc.traefik.io/,/github\.com\/golang\/oauth2\/blob\/36a7019397c4c86cf59eeab3bc0d188bac444277\/.+/,/www.akamai.com/,/pilot.traefik.io\/profile/,/traefik.io/,/doc.traefik.io\/traefik-mesh/,/www.mkdocs.org/,/squidfunk.github.io/,/ietf.org/,/www.namesilo.com/,/www.youtube.com/,/www.linode.com/,/www.alibabacloud.com/,/www.cloudxns.net/,/www.vultr.com/,/vscale.io/,/hetzner.com/,/docs.github.com/" \
	'{}' 1>/dev/null
## HTML-proofer options at https://github.com/gjtorikian/html-proofer#configuration

echo "= Documentation checked successfully."