{{-- Google Tag Manager (head) --}}
@if (config('app.env') === 'production' && env('GTM_ID'))
    <script>
        (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
        new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
        j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;
        j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;
        f.parentNode.insertBefore(j,f);
        })(window,document,'script','dataLayer','{{ env('GTM_ID') }}');
    </script>
@endif

{{-- Global site tag gtag.js (Ads / GA-4) --}}
@if (config('app.env') === 'production' && (env('ADS_ID') || env('GA_MEASUREMENT_ID')))
    <script async src="https://www.googletagmanager.com/gtag/js?id={{ env('ADS_ID', env('GA_MEASUREMENT_ID')) }}"></script>
    <script>
        window.dataLayer = window.dataLayer || [];
        function gtag(){dataLayer.push(arguments);}
        gtag('js', new Date());

        @if(env('GA_MEASUREMENT_ID'))
            gtag('config', '{{ env('GA_MEASUREMENT_ID') }}');
        @endif
        @if(env('ADS_ID'))
            gtag('config', '{{ env('ADS_ID') }}');
        @endif
    </script>
@endif