<?php
// Page-specific Schema.org structured data

function generatePageSchema($page, $URLcorrection = "")
{
    $baseSchema = [
        "@context" => "https://schema.org",
        "@type" => "WebPage",
        "url" => "https://warmseal-roofing.co.uk" . ($page !== 'index' ? '/' . $page : ''),
        "publisher" => [
            "@type" => "Organization",
            "name" => "Warmseal Roofing",
            "url" => "https://warmseal-roofing.co.uk"
        ]
    ];

    // Add page-specific schema based on current page
    switch ($page) {
        case 'roof-repairs':
            $serviceSchema = [
                "@context" => "https://schema.org",
                "@type" => "Service",
                "name" => "Emergency Roof Repairs Accrington",
                "description" => "Fast, reliable emergency roof repair services in Accrington and Lancashire. Expert leak repairs, storm damage restoration, and urgent roofing solutions.",
                "provider" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing"
                ],
                "areaServed" => [
                    "Accrington",
                    "Blackburn",
                    "Preston",
                    "Lancashire"
                ],
                "availableChannel" => [
                    "@type" => "ServiceChannel",
                    "serviceUrl" => "https://warmseal-roofing.co.uk/roof-repairs",
                    "availableLanguage" => "en"
                ]
            ];
            return json_encode([$baseSchema, $serviceSchema], JSON_UNESCAPED_SLASHES);
            break;

        case 'roofing-solutions':
            $serviceSchema = [
                "@context" => "https://schema.org",
                "@type" => "Service",
                "name" => "New Roof Installation Accrington",
                "description" => "Complete new roof installations and roofing solutions in Accrington. Slate, tile, and flat roofing with professional installation.",
                "provider" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing"
                ],
                "areaServed" => [
                    "Accrington",
                    "Blackburn",
                    "Preston",
                    "Lancashire"
                ],
                "availableChannel" => [
                    "@type" => "ServiceChannel",
                    "serviceUrl" => "https://warmseal-roofing.co.uk/roofing-solutions",
                    "availableLanguage" => "en"
                ]
            ];
            return json_encode([$baseSchema, $serviceSchema], JSON_UNESCAPED_SLASHES);
            break;

        case 'roofline-services':
            $serviceSchema = [
                "@context" => "https://schema.org",
                "@type" => "Service",
                "name" => "UPVC Roofline Services Accrington",
                "description" => "Professional UPVC roofline services including guttering, fascias, soffits, and roofline maintenance in Accrington and Lancashire.",
                "provider" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing"
                ],
                "areaServed" => [
                    "Accrington",
                    "Blackburn",
                    "Preston",
                    "Lancashire"
                ],
                "availableChannel" => [
                    "@type" => "ServiceChannel",
                    "serviceUrl" => "https://warmseal-roofing.co.uk/roofline-services",
                    "availableLanguage" => "en"
                ]
            ];
            return json_encode([$baseSchema, $serviceSchema], JSON_UNESCAPED_SLASHES);
            break;

        case 'cleaning':
            $serviceSchema = [
                "@context" => "https://schema.org",
                "@type" => "Service",
                "name" => "Roof Cleaning & Moss Removal Accrington",
                "description" => "Professional roof cleaning, moss removal, and gutter cleaning services in Accrington and Lancashire. Safe, effective cleaning solutions.",
                "provider" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing"
                ],
                "areaServed" => [
                    "Accrington",
                    "Blackburn",
                    "Preston",
                    "Lancashire"
                ],
                "availableChannel" => [
                    "@type" => "ServiceChannel",
                    "serviceUrl" => "https://warmseal-roofing.co.uk/cleaning",
                    "availableLanguage" => "en"
                ]
            ];
            return json_encode([$baseSchema, $serviceSchema], JSON_UNESCAPED_SLASHES);
            break;

        case 'projects':
            $portfolioSchema = [
                "@context" => "https://schema.org",
                "@type" => "CreativeWork",
                "name" => "Warmseal Roofing Portfolio",
                "description" => "View our completed roofing projects in Accrington and Lancashire. Examples of our professional roofing work.",
                "creator" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing"
                ],
                "about" => "Roofing Projects and Portfolio",
                "locationCreated" => [
                    "Accrington",
                    "Blackburn",
                    "Preston",
                    "Lancashire"
                ]
            ];
            return json_encode([$baseSchema, $portfolioSchema], JSON_UNESCAPED_SLASHES);
            break;

        case 'contact':
            $contactSchema = [
                "@context" => "https://schema.org",
                "@type" => "ContactPage",
                "name" => "Contact Warmseal Roofing",
                "description" => "Contact Warmseal Roofing for a free quote. Professional roofer in Accrington serving Lancashire.",
                "mainEntity" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing",
                    "telephone" => "+44-1254-123456",
                    "email" => "info@warmseal-roofing.co.uk"
                ]
            ];
            return json_encode([$baseSchema, $contactSchema], JSON_UNESCAPED_SLASHES);
            break;

        case 'about-us':
            $aboutSchema = [
                "@context" => "https://schema.org",
                "@type" => "AboutPage",
                "name" => "About Warmseal Roofing",
                "description" => "Learn about Warmseal Roofing, your trusted local roofer in Accrington with years of experience serving Lancashire.",
                "mainEntity" => [
                    "@type" => "RoofingContractor",
                    "name" => "Warmseal Roofing",
                    "foundingDate" => "2020",
                    "address" => [
                        "@type" => "PostalAddress",
                        "addressLocality" => "Accrington",
                        "addressRegion" => "Lancashire",
                        "addressCountry" => "GB"
                    ]
                ]
            ];
            return json_encode([$baseSchema, $aboutSchema], JSON_UNESCAPED_SLASHES);
            break;

        default:
            return json_encode($baseSchema, JSON_UNESCAPED_SLASHES);
    }
}

// Generate breadcrumb schema
function generateBreadcrumbSchema($page, $pageTitle)
{
    $breadcrumbs = [
        "@context" => "https://schema.org",
        "@type" => "BreadcrumbList",
        "itemListElement" => [
            [
                "@type" => "ListItem",
                "position" => 1,
                "name" => "Home",
                "item" => "https://warmseal-roofing.co.uk"
            ]
        ]
    ];

    if ($page !== 'index' && $page !== '') {
        $breadcrumbs["itemListElement"][] = [
            "@type" => "ListItem",
            "position" => 2,
            "name" => $pageTitle,
            "item" => "https://warmseal-roofing.co.uk/" . $page
        ];
    }

    return json_encode($breadcrumbs, JSON_UNESCAPED_SLASHES);
}