@php
    // Automatically build Canonical URL
    $canonical_url = $canonical_url ?? request()->url();
    
    // Fallback SEO title and description
    $site_name = config('static_data.settings.SITE_NAME', 'Swiftec Lubricants');
    $seo_title = isset($page_title) ? $page_title . " | " . $site_name : $site_name . " - High Performance Lubricants & Oils";
    $seo_description = $page_desc ?? "Swiftec is a globally certified manufacturer of high-performance automotive, industrial, and marine lubricants, delivering wear protection and engineering excellence.";
    $seo_image = $og_image ?? asset('assets/images/swiftec_seo_banner.jpg');
    
    $ga_id = config('static_data.settings.GA_MEASUREMENT_ID', 'G-XXXXXXXXXX');
    $gtm_id = config('static_data.settings.GTM_CONTAINER_ID', 'GTM-XXXXXXX');
@endphp

<!-- Primary Meta Tags -->
<title>{{ $seo_title }}</title>
<meta name="title" content="{{ $seo_title }}">
<meta name="description" content="{{ $seo_description }}">
<meta name="robots" content="index, follow">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta charset="UTF-8">

<!-- Canonical URL -->
<link rel="canonical" href="{{ $canonical_url }}">

<!-- Open Graph / Facebook -->
<meta property="og:type" content="{{ $og_type ?? 'website' }}">
<meta property="og:url" content="{{ $canonical_url }}">
<meta property="og:title" content="{{ $seo_title }}">
<meta property="og:description" content="{{ $seo_description }}">
<meta property="og:image" content="{{ $seo_image }}">
<meta property="og:site_name" content="{{ $site_name }}">

<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image">
<meta property="twitter:url" content="{{ $canonical_url }}">
<meta property="twitter:title" content="{{ $seo_title }}">
<meta property="twitter:description" content="{{ $seo_description }}">
<meta property="twitter:image" content="{{ $seo_image }}">

<!-- Favicon -->
<link rel="icon" type="image/png" href="{{ asset('assets/images/favicon.png') }}">

<!-- Google Analytics / Gtags -->
@if($ga_id && $ga_id !== 'G-XXXXXXXXXX')
<script async src="https://www.googletagmanager.com/gtag/js?id={{ $ga_id }}"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());
  gtag('config', '{{ $ga_id }}');
</script>
@endif

<!-- Google Tag Manager -->
@if($gtm_id && $gtm_id !== 'GTM-XXXXXXX')
<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','{{ $gtm_id }}');</script>
@endif

<!-- Structured Data Schemas (JSON-LD) -->
<script type="application/ld+json">
{
  "@@context": "https://schema.org",
  "@@graph": [
    {
      "@@type": "Organization",
      "@@id": "{{ url('/') }}/#organization",
      "name": "{{ $site_name }}",
      "url": "{{ url('/') }}/",
      "logo": "{{ asset('assets/images/logo.png') }}",
      "contactPoint": [{
        "@@type": "ContactPoint",
        "telephone": "{{ config('static_data.settings.SITE_PHONE', '+971 4 339 7110') }}",
        "contactType": "sales",
        "email": "{{ config('static_data.settings.SITE_EMAIL', 'sales@swiftec.ae') }}",
        "areaServed": "Global"
      }],
      "address": {
        "@@type": "PostalAddress",
        "streetAddress": "Al Quoz Industrial Area 3",
        "addressLocality": "Dubai",
        "addressCountry": "AE"
      }
    },
    {
      "@@type": "WebSite",
      "@@id": "{{ url('/') }}/#website",
      "url": "{{ url('/') }}/",
      "name": "{{ $site_name }}",
      "publisher": {
        "@@id": "{{ url('/') }}/#organization"
      }
    }
  ]
}
</script>

{{-- Breadcrumb Schema --}}
@if(!empty($breadcrumbs_array))
<script type="application/ld+json">
{
  "@@context": "https://schema.org",
  "@@type": "BreadcrumbList",
  "itemListElement": [
    {
      "@@type": "ListItem",
      "position": 1,
      "name": "Home",
      "item": "{{ url('/') }}/"
    }
    @php $pos = 2; @endphp
    @foreach($breadcrumbs_array as $name => $link)
    ,{
      "@@type": "ListItem",
      "position": {{ $pos }},
      "name": "{{ $name }}",
      "item": "{{ $link }}"
    }
    @php $pos++; @endphp
    @endforeach
  ]
}
</script>
@endif

{{-- Product Schema --}}
@if(isset($schema_type) && $schema_type === 'product' && !empty($product_item))
<script type="application/ld+json">
{
  "@@context": "https://schema.org/",
  "@@type": "Product",
  "name": "{{ $product_item['name'] }}",
  "image": "{{ asset('assets/images/products/' . ($product_item['image'] ?? 'generic_swiftec_product.png')) }}",
  "description": "{{ $product_item['description'] }}",
  "brand": {
    "@@type": "Brand",
    "name": "Swiftec"
  },
  "offers": {
    "@@type": "AggregateOffer",
    "priceCurrency": "AED",
    "offerCount": "1",
    "price": "Call for Quote",
    "url": "{{ $canonical_url }}"
  }
}
</script>
@endif

{{-- BlogArticle Schema --}}
@if(isset($schema_type) && $schema_type === 'blog' && !empty($blog_item))
<script type="application/ld+json">
{
  "@@context": "https://schema.org",
  "@@type": "BlogPosting",
  "mainEntityOfPage": {
    "@@type": "WebPage",
    "@@id": "{{ $canonical_url }}"
  },
  "headline": "{{ $blog_item['title'] }}",
  "description": "{{ $blog_item['summary'] }}",
  "image": "{{ asset('storage/' . $blog_item['image']) }}",  
  "author": {
    "@@type": "Organization",
    "name": "Swiftec Lubricants"
  },  
  "publisher": {
    "@@type": "Organization",
    "name": "Swiftec",
    "logo": {
      "@@type": "ImageObject",
      "url": "{{ asset('assets/images/logo.png') }}"
    }
  },
  "datePublished": "{{ date('Y-m-d', strtotime($blog_item['created_at'])) }}"
}
</script>
@endif

{{-- FAQ Schema --}}
@if(isset($schema_type) && $schema_type === 'faq' && !empty($faq_items_schema))
<script type="application/ld+json">
{
  "@@context": "https://schema.org",
  "@@type": "FAQPage",
  "mainEntity": [
    @foreach($faq_items_schema as $index => $faq)
    @if($index > 0) , @endif
    {
      "@@type": "Question",
      "name": "{{ $faq['q'] }}",
      "acceptedAnswer": {
        "@@type": "Answer",
        "text": "{{ $faq['a'] }}"
      }
    }
    @endforeach
  ]
}
</script>
@endif