#!/bin/sh

if [ "${NGX_HTTP}" = 1 ] ; then
	unset http_modules http_snippets
	http_modules=
	http_snippets="${NGX_HTTP_SNIPPETS:-}"

	if [ -n "${NGX_HTTP_MODULES}" ] ; then
		## angie-module-lua: depends on angie-module-ndk
		## angie-module-set-misc: depends on angie-module-ndk
		NGX_HTTP_MODULES=$(
			printf '%s' "${NGX_HTTP_MODULES}" \
			| sed -zE 's/(\s|^)(lua|set-misc)(\s|$)/\1ndk \2\3/g'
		)
	fi

	## filter out builtin http modules
	unset i
	for i in ${NGX_HTTP_MODULES:-} ; do
		[ -n "$i" ] || continue

		if is_builtin_module http "$i" ; then
			log "$i is builtin module, moving to snippets"
			http_snippets="${http_snippets}${http_snippets:+ }$i"
			continue
		fi

		## naive deduplication
		case " ${http_modules} " in
		*" $i "* )
			log "$i is already specified"
			continue
		;;
		esac

		http_modules="${http_modules}${http_modules:+ }$i"
	done
	unset i

	http_snippets=$(sort_dedup_list "${http_snippets}")

	set -a
	NGX_HTTP_MODULES="${http_modules}"
	NGX_HTTP_SNIPPETS="${http_snippets}"
	set +a

	unset http_modules http_snippets
fi