/**
 * Structured Data (JSON-LD) Generators for Canina Iran
 * Conforming to Schema.org and Google Search Rich Results guidelines
 */

export interface OrganizationSchemaOptions {
  name?: string;
  alternateName?: string;
  url?: string;
  logo?: string;
  description?: string;
  telephone?: string;
  email?: string;
  address?: {
    streetAddress?: string;
    addressLocality?: string;
    addressRegion?: string;
    postalCode?: string;
    addressCountry?: string;
  };
  sameAs?: string[];
}

export function generateOrganizationSchema(options: OrganizationSchemaOptions = {}) {
  const brandName = options.name || 'کنینا ایران';
  const siteUrl = options.url || 'https://canina.ir';
  const logoUrl = options.logo || `${siteUrl}/assets/images/logo.png`;

  return {
    '@context': 'https://schema.org',
    '@type': 'Organization',
    '@id': `${siteUrl}#organization`,
    name: brandName,
    alternateName: options.alternateName || 'Canina pharma GmbH Iran Representative',
    url: siteUrl,
    logo: {
      '@type': 'ImageObject',
      url: logoUrl,
      caption: brandName,
    },
    image: logoUrl,
    description:
      options.description ||
      'نماینده رسمی و انحصاری مکمل‌های دارویی و درمانی Canina pharma GmbH آلمان در ایران.',
    telephone: options.telephone || '+989211231517',
    email: options.email || 'caninairan@gmail.com',
    address: {
      '@type': 'PostalAddress',
      streetAddress: options.address?.streetAddress || 'جردن، خیابان سعیدی، ساختمان کنینا، طبقه ۵',
      addressLocality: options.address?.addressLocality || 'تهران',
      addressRegion: options.address?.addressRegion || 'تهران',
      postalCode: options.address?.postalCode || '1967812345',
      addressCountry: options.address?.addressCountry || 'IR',
    },
    sameAs: options.sameAs || [
      'https://instagram.com/caninairan',
      'https://t.me/caninairan',
      'https://www.canina.de',
    ],
    contactPoint: [
      {
        '@type': 'ContactPoint',
        telephone: options.telephone || '+989211231517',
        contactType: 'customer service',
        availableLanguage: ['Persian', 'English', 'German'],
        areaServed: 'IR',
      },
    ],
  };
}

export function generateLocalBusinessSchema(options: OrganizationSchemaOptions = {}) {
  const siteUrl = options.url || 'https://canina.ir';
  const brandName = options.name || 'کنینا ایران';
  const logoUrl = options.logo || `${siteUrl}/assets/images/logo.png`;

  return {
    '@context': 'https://schema.org',
    '@type': 'VeterinaryCare',
    '@id': `${siteUrl}#localbusiness`,
    name: `${brandName} - دفتر مرکزی و پشتیبانی تخصصی`,
    image: logoUrl,
    url: siteUrl,
    telephone: options.telephone || '+989211231517',
    priceRange: '$$',
    address: {
      '@type': 'PostalAddress',
      streetAddress: options.address?.streetAddress || 'تهران، جردن، خیابان سعیدی، ساختمان کنینا، طبقه ۵، واحد ۱۹',
      addressLocality: options.address?.addressLocality || 'تهران',
      addressRegion: options.address?.addressRegion || 'تهران',
      postalCode: options.address?.postalCode || '1967812345',
      addressCountry: 'IR',
    },
    geo: {
      '@type': 'GeoCoordinates',
      latitude: 35.7785,
      longitude: 51.4172,
    },
    openingHoursSpecification: [
      {
        '@type': 'OpeningHoursSpecification',
        dayOfWeek: ['Saturday', 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday'],
        opens: '09:00',
        closes: '18:00',
      },
    ],
    sameAs: options.sameAs || [
      'https://instagram.com/caninairan',
      'https://t.me/caninairan',
    ],
  };
}

export interface B2BServiceSchemaOptions {
  serviceName?: string;
  description?: string;
  siteUrl?: string;
}

export function generateB2BServiceSchema(options: B2BServiceSchemaOptions = {}) {
  const siteUrl = options.siteUrl || 'https://canina.ir';
  return {
    '@context': 'https://schema.org',
    '@type': 'Service',
    '@id': `${siteUrl}/b2b#service`,
    name: options.serviceName || 'تأمین عمده و همکاری تجاری مکمل‌های دارویی کنینا آلمان',
    serviceType: 'B2B Veterinary Supply & Wholesale',
    provider: {
      '@type': 'Organization',
      name: 'کنینا ایران',
      url: siteUrl,
      logo: `${siteUrl}/assets/images/logo.png`,
    },
    areaServed: {
      '@type': 'Country',
      name: 'Iran',
    },
    description:
      options.description ||
      'تأمین مستقیم، پخش عمده و اعطای نمایندگی مکمل‌های تخصصی دامپزشکی Canina آلمان به کلینیک‌ها، بیمارستان‌های دامپزشکی و پت‌شاپ‌های معتبر سراسر کشور.',
    offers: {
      '@type': 'Offer',
      availability: 'https://schema.org/InStock',
      businessFunction: 'http://purl.org/goodrelations/v1#ProvideService',
    },
  };
}

export interface MedicalWebPageSchemaOptions {
  title: string;
  description: string;
  url: string;
  datePublished?: string;
  dateModified?: string;
  medicalAudience?: string;
  aspects?: string[];
}

export function generateMedicalWebPageSchema(options: MedicalWebPageSchemaOptions) {
  return {
    '@context': 'https://schema.org',
    '@type': 'MedicalWebPage',
    name: options.title,
    headline: options.title,
    description: options.description,
    url: options.url,
    datePublished: options.datePublished || '2025-01-01',
    dateModified: options.dateModified || new Date().toISOString(),
    medicalAudience: {
      '@type': 'MedicalAudience',
      audienceType: options.medicalAudience || 'Veterinarians, Pet Care Professionals, and Pet Owners',
    },
    publisher: {
      '@type': 'Organization',
      name: 'کنینا ایران',
      url: 'https://canina.ir',
    },
    about: options.aspects?.map((aspect) => ({
      '@type': 'MedicalCondition',
      name: aspect,
    })) || [],
  };
}

export interface VideoObjectSchemaOptions {
  name: string;
  description: string;
  thumbnailUrl: string;
  uploadDate: string;
  contentUrl?: string;
  embedUrl?: string;
  duration?: string;
}

export function generateVideoObjectSchema(options: VideoObjectSchemaOptions) {
  return {
    '@context': 'https://schema.org',
    '@type': 'VideoObject',
    name: options.name,
    description: options.description,
    thumbnailUrl: [options.thumbnailUrl],
    uploadDate: options.uploadDate,
    contentUrl: options.contentUrl,
    embedUrl: options.embedUrl || options.contentUrl,
    duration: options.duration || 'PT3M30S',
    publisher: {
      '@type': 'Organization',
      name: 'کنینا ایران',
      logo: {
        '@type': 'ImageObject',
        url: 'https://canina.ir/assets/images/logo.png',
      },
    },
  };
}

export interface BreadcrumbItem {
  name: string;
  url: string;
}

export function generateBreadcrumbSchema(items: BreadcrumbItem[]) {
  return {
    '@context': 'https://schema.org',
    '@type': 'BreadcrumbList',
    itemListElement: items.map((item, index) => ({
      '@type': 'ListItem',
      position: index + 1,
      name: item.name,
      item: item.url,
    })),
  };
}

/**
 * SEC-017: Safely serialize schema data to JSON string for application/ld+json script tags,
 * escaping any '</script>' or '<' characters that could break out of the script block.
 */
export function safeJsonLd(schema: unknown): string {
  return JSON.stringify(schema)
    .replace(/</g, '\\u003c')
    .replace(/>/g, '\\u003e')
    .replace(/&/g, '\\u0026');
}