#!/usr/bin/env bash
set -euo pipefail

# Installed commands are symlinks; locate resources relative to their target.
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do
	DIR="$(cd "$(dirname "$SOURCE")" >/dev/null 2>&1 && pwd)"
	SOURCE="$(readlink "$SOURCE")"
	[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
SCRIPT_DIR="$(cd "$(dirname "$SOURCE")" >/dev/null 2>&1 && pwd)"
RESOURCES_DIR="$(cd "$SCRIPT_DIR/.." >/dev/null 2>&1 && pwd)"
APP_DIR="$(cd "$RESOURCES_DIR/.." >/dev/null 2>&1 && pwd)"

# orca-ide avoids the GNOME Orca name; -f excludes executable directories.
ELECTRON=""
for candidate in orca-ide orca Orca; do
	if [ -f "$APP_DIR/$candidate" ] && [ -x "$APP_DIR/$candidate" ]; then
		ELECTRON="$APP_DIR/$candidate"
		break
	fi
done

if [ -z "$ELECTRON" ]; then
	echo "Unable to locate the Orca executable next to $RESOURCES_DIR" >&2
	exit 1
fi

# The unpacked entrypoint runs directly in Electron's Node mode.
CLI="$RESOURCES_DIR/app.asar.unpacked/out/cli/index.js"

export ORCA_NODE_OPTIONS="${NODE_OPTIONS-}"
export ORCA_NODE_REPL_EXTERNAL_MODULE="${NODE_REPL_EXTERNAL_MODULE-}"
unset NODE_OPTIONS
unset NODE_REPL_EXTERNAL_MODULE

ELECTRON_RUN_AS_NODE=1 exec "$ELECTRON" "$CLI" "$@"