#!/bin/sh

# Performs a lua-language-server check on all files.
# luals-out/check.json will be produced on any issues, returning 1.
# Outputs only check.json to stdout, all other messages to stderr, to allow jq etc.
# $VIMRUNTIME specifies neovim runtime path, defaults to "/usr/share/nvim/runtime" if unset.

if [ -z "${VIMRUNTIME}" ]; then
	export VIMRUNTIME="/usr/share/nvim/runtime"
fi

DIR_SRC="${PWD}/lua"
DIR_OUT="${PWD}/luals-out"
FILE_LUARC="${DIR_OUT}/luarc.json"

# clear output
rm -rf "${DIR_OUT}"
mkdir "${DIR_OUT}"

# Uncomment runtime.version for strict neovim baseline 5.1
# It is not set normally, to prevent luals loading 5.1 and 5.x, resulting in both versions being chosen on vim.lsp.buf.definition()  
cat "${PWD}/.luarc.json" | sed -E 's/.luals-check-only//g' > "${FILE_LUARC}"

# execute inside lua to prevent luals itself from being checked
OUT=$(lua-language-server --check="${DIR_SRC}" --configpath="${FILE_LUARC}" --checklevel=Information --logpath="${DIR_OUT}" --loglevel=error)
RC=$?

echo "${OUT}" >&2

if [ $RC -ne 0 ]; then
	echo "failed with RC=$RC"
	exit $RC
fi

# any output is a fail
case "${OUT}" in
	*Diagnosis\ completed,\ no\ problems\ found*)
		exit 0
		;;
	*)
		cat "${DIR_OUT}/check.json"
		exit 1
		;;
esac