#!/usr/bin/osascript -l JavaScript
ObjC.import("stdlib")

function showNSError(error) {
    console.log(ObjC.unwrap(error.localizedDescription))
}

function resolveFileAlias(filePath) {
    const aliasFile = $.NSURL.fileURLWithPathIsDirectory(filePath, false)
    let error = $()
    const exists = aliasFile.checkResourceIsReachableAndReturnError(error)
    if (!exists) {
        showNSError(error)
        return filePath
    }

    error = $()
    const file = $.NSURL.URLByResolvingAliasFileAtURLOptionsError(aliasFile, $.NSURLBookmarkResolutionWithoutUI, error)
    if (file.path === aliasFile.path) showNSError(error)
    return file.path
}

let args = $.NSProcessInfo.processInfo.arguments
let lastIndex = args.count - 1
var filePath = ObjC.unwrap(args.objectAtIndex(lastIndex))
newFilePath = resolveFileAlias(filePath)
if (newFilePath === filePath) $.exit(1)
newFilePath