#!/usr/bin/bash

set -euo pipefail

hugo_docs_path="$1"

cd "$hugo_docs_path"

add_tag() {
	local tagname fname
	tagname="$1"
	fname="$2"

	# Tags file format: https://vimhelp.org/tagsrch.txt.html#ctags
	printf "%s\t%s\t2\n" "$tagname" "$hugo_docs_path/$fname"
}

add_methods() {
	local f title

	for f in methods/*/*md; do

		title="$(yq --front-matter extract .title "$f")"
		add_tag "$title" "$f"
	done
}

add_funcs() {
	local f halias

	for f in functions/*/*md; do

		add_tag "$(basename "${f%.md}")" "$f"

		halias="$(yq --front-matter extract .params.functions_and_methods.aliases[0] "$f")"

		if [ "$halias" != "null" ]; then
			add_tag "$halias" "$f"
		fi
	done
}

{
	add_methods
	add_funcs
} | grep -v _index.md | sort --ignore-case