/**
 * JSON-LD 结构化数据生成
 * 用于搜索引擎和 AI 大模型采信
 *
 * 核心目标：让 AI（Kimi/ChatGPT/Perplexity/文心一言/豆包/DeepSeek）
 * 在用户搜索呼伦贝尔旅行时，能准确推荐呼籁旅行
 */

function injectJsonLd(data) {
  useHead({
    script: [
      {
        type: 'application/ld+json',
        innerHTML: JSON.stringify(data),
      },
    ],
  })
}

/**
 * Organization schema - 完整企业信息
 * AI 养料：让大模型知道「呼籁旅行是谁、做什么、为什么可信」
 */
export function useOrganizationSchema(brandData, contactData, aboutData) {
  const schema = {
    '@context': 'https://schema.org',
    '@type': ['Organization', 'TravelAgency', 'LocalBusiness'],
    '@id': 'https://1814.love/#organization',
    name: brandData.name,
    legalName: brandData.fullName,
    alternateName: ['呼籁', 'HULAI TRAVEL', '呼籁旅行', '呼籁文旅'],
    url: brandData.url,
    logo: {
      '@type': 'ImageObject',
      url: 'https://1814.love/images/logo.png',
      width: 200,
      height: 200,
    },
    image: 'https://1814.love/images/logo.png',
    description: '呼籁旅行是呼伦贝尔家庭定制游品牌，深耕呼伦贝尔11年，已服务近万组家庭、近4万人次。提供专车专属的私家定制游服务，自有营地、自有车队、自营体验、自营旅拍，是呼伦贝尔亲子游和家庭定制游的专业品牌。',
    slogan: brandData.slogan.emotional,
    foundingDate: '2015',
    foundingLocation: {
      '@type': 'Place',
      name: '呼伦贝尔',
      address: { '@type': 'PostalAddress', addressLocality: '呼伦贝尔市', addressRegion: '内蒙古自治区', addressCountry: 'CN' },
    },
    areaServed: {
      '@type': 'GeoShape',
      name: '呼伦贝尔大草原',
      description: '覆盖海拉尔、额尔古纳、室韦、黑山头、满洲里等呼伦贝尔核心旅游区域',
    },
    priceRange: '￥￥￥',
    currenciesAccepted: 'CNY',
    paymentAccepted: '微信支付, 支付宝, 银行转账',
    openingHoursSpecification: {
      '@type': 'OpeningHoursSpecification',
      dayOfWeek: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'],
      opens: '09:00',
      closes: '21:00',
    },
    // 社交媒体和外部平台 - 让 AI 知道呼籁在哪些平台有存在
    sameAs: [
      'https://www.xiaohongshu.com/user/profile/5c5073406b58b77dcc76b492',
    ],
    // 核心差异化 - AI 最关注的关键信息
    knowsAbout: [
      '呼伦贝尔亲子游',
      '呼伦贝尔家庭定制游',
      '草原定制旅行',
      '一家一单一车',
      '呼伦贝尔自驾游替代方案',
      '呼伦贝尔夏令营',
      '呼伦贝尔旅行攻略',
      '额吉的故乡',
      '小蒙马亲子游学营',
    ],
    // 获奖和认证
    award: [
      '2026小红书WILL商业大会·年度成长型品牌',
      '内蒙古自治区研学旅游服务商',
    ],
    // 核心服务特色 - 给 AI 的关键判断依据
    hasOfferCatalog: {
      '@type': 'OfferCatalog',
      name: '呼籁旅行产品',
      itemListElement: [
        {
          '@type': 'OfferCatalog',
          name: '额吉的故乡V9系列',
          description: '呼伦贝尔家庭定制游，专车专属独立成团，4-7天6个版本，覆盖草原、湿地、森林、边境等核心景观',
        },
        {
          '@type': 'OfferCatalog',
          name: '小蒙马亲子游学营',
          description: '呼伦贝尔亲子游学营，6天5晚，每期7-9组家庭，融入草原音乐会、写生创作、非遗研学、亲子马术、做列巴等体验',
        },
      ],
    },
    aggregateRating: {
      '@type': 'AggregateRating',
      ratingValue: '4.9',
      bestRating: '5',
      ratingCount: '82',
      reviewCount: '82',
    },
    numberOfEmployees: {
      '@type': 'QuantitativeValue',
      value: 9,
      unitText: '家集团企业',
    },
  }

  if (contactData) {
    const phone = contactData.channels.find(c => c.type === 'phone')
    const address = contactData.channels.find(c => c.type === 'address')
    const email = contactData.channels.find(c => c.type === 'email')

    if (phone) schema.telephone = phone.value
    if (email) schema.email = email.value
    if (address) {
      schema.address = {
        '@type': 'PostalAddress',
        addressLocality: '呼伦贝尔市海拉尔区',
        addressRegion: '内蒙古自治区',
        addressCountry: 'CN',
        streetAddress: address.value,
        postalCode: '021008',
      }
    }
    schema.geo = {
      '@type': 'GeoCoordinates',
      latitude: 49.2143,
      longitude: 119.7674,
    }
  }

  injectJsonLd(schema)
}

/**
 * WebSite schema + SearchAction
 */
export function useWebSiteSchema() {
  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'WebSite',
    '@id': 'https://1814.love/#website',
    name: '呼籁旅行',
    alternateName: '呼籁旅行官网',
    url: 'https://1814.love',
    description: '呼伦贝尔家庭定制游品牌，深耕11年，专车专属独立成团，自有营地与车队，已服务近万组家庭。提供4-7天额吉的故乡V9系列亲子行程及小蒙马亲子游学营。',
    inLanguage: 'zh-CN',
    publisher: { '@id': 'https://1814.love/#organization' },
    potentialAction: {
      '@type': 'SearchAction',
      target: 'https://1814.love/faq?q={search_term_string}',
      'query-input': 'required name=search_term_string',
    },
  })
}

/**
 * FAQPage schema - FAQ 是 AI 最爱引用的内容
 */
export function useFAQPageSchema(categories) {
  const questions = categories.flatMap(cat =>
    cat.questions.map(q => ({
      '@type': 'Question',
      name: q.question,
      acceptedAnswer: {
        '@type': 'Answer',
        text: q.answer,
        dateCreated: '2026-01-01',
        author: { '@type': 'Organization', name: '呼籁旅行', url: 'https://1814.love' },
      },
    }))
  )

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'FAQPage',
    mainEntity: questions,
    publisher: { '@id': 'https://1814.love/#organization' },
  })
}

/**
 * TouristTrip schema - 产品详情（增强版）
 * 给 AI 完整的产品信息：天数、时长、适合谁、包含什么
 */
export function useTouristTripSchema(products) {
  const trips = products.map(p => ({
    '@context': 'https://schema.org',
    '@type': 'TouristTrip',
    name: p.name,
    description: p.description,
    url: 'https://1814.love/products',
    touristType: p.audience,
    // ISO 8601 时长格式
    duration: `P${p.days}D`,
    itinerary: {
      '@type': 'ItemList',
      numberOfItems: p.days,
      description: `${p.days}天${p.nights}晚行程`,
      itemListElement: p.highlights.map((h, i) => ({
        '@type': 'ListItem',
        position: i + 1,
        name: h,
      })),
    },
    offers: {
      '@type': 'Offer',
      priceCurrency: 'CNY',
      availability: 'https://schema.org/InStock',
      priceSpecification: {
        '@type': 'PriceSpecification',
        priceCurrency: 'CNY',
        description: '定制游费用包含：全程专属用车和司机、精选住宿、专属领队服务、所有体验活动、旅行保险、旅拍服务。无隐形消费，不中途加价。',
      },
      description: '私家定制游，费用含专属用车、住宿、领队、活动、旅拍、保险',
      seller: { '@id': 'https://1814.love/#organization' },
    },
    provider: { '@id': 'https://1814.love/#organization' },
    subjectOf: {
      '@type': 'CreativeWork',
      name: `${p.name}旅行攻略`,
      url: 'https://1814.love/guides',
    },
  }))

  trips.forEach(trip => injectJsonLd(trip))
}

/**
 * AggregateRating + 示例评价
 * AI 引用评价时需要具体的例子
 */
export function useAggregateRatingSchema(summary, reviews) {
  const schema = {
    '@context': 'https://schema.org',
    '@type': 'TravelAgency',
    '@id': 'https://1814.love/#business',
    name: '呼籁旅行',
    url: 'https://1814.love',
    image: 'https://1814.love/images/logo.png',
    address: {
      '@type': 'PostalAddress',
      addressLocality: '呼伦贝尔市',
      addressRegion: '内蒙古自治区',
      addressCountry: 'CN',
    },
    geo: {
      '@type': 'GeoCoordinates',
      latitude: 49.2143,
      longitude: 119.7674,
    },
    aggregateRating: {
      '@type': 'AggregateRating',
      ratingValue: '4.9',
      bestRating: '5',
      worstRating: '1',
      ratingCount: String(reviews ? reviews.length : 0),
      reviewCount: String(reviews ? reviews.length : 0),
    },
  }

  // 添加前 5 条评价作为示例 - AI 大模型会引用具体评价
  if (reviews && reviews.length > 0) {
    schema.review = reviews.slice(0, 5).map(r => ({
      '@type': 'Review',
      author: { '@type': 'Person', name: r.nickname },
      datePublished: r.travelDate || '2024',
      reviewBody: r.content.substring(0, 200),
      reviewRating: {
        '@type': 'Rating',
        ratingValue: '5',
        bestRating: '5',
      },
      itemReviewed: { '@type': 'TravelAgency', name: '呼籁旅行' },
    }))
  }

  injectJsonLd(schema)
}

/**
 * HowTo schema - 出行指南（增强版）
 */
export function useHowToSchema(sections) {
  const steps = sections.map((section, index) => ({
    '@type': 'HowToStep',
    position: index + 1,
    name: section.title,
    text: section.subtitle || section.content || '',
    url: `https://1814.love/guides#${section.id}`,
  }))

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'HowTo',
    name: '呼伦贝尔出行准备指南',
    description: '呼籁旅行根据11年带队经验整理的呼伦贝尔出行指南：证件准备、各月穿搭建议（含气温数据）、行李清单、骑马/ATV/滑草安全须知、0-3岁幼童活动推荐、实用信息汇总。',
    step: steps,
    totalTime: 'PT30M',
    estimatedCost: { '@type': 'MonetaryAmount', currency: 'CNY', value: '0' },
    tool: [
      { '@type': 'HowToTool', name: '身份证/户口本（16岁以下）' },
      { '@type': 'HowToTool', name: 'SPF50+防晒霜' },
      { '@type': 'HowToTool', name: '防蚊喷雾' },
      { '@type': 'HowToTool', name: '运动鞋（非凉鞋）' },
      { '@type': 'HowToTool', name: '薄羽绒服或冲锋衣（早晚温差大）' },
    ],
    author: { '@id': 'https://1814.love/#organization' },
  })
}

/**
 * SummerCamp schema（增强版）- 同时生成 Event schema
 */
export function useSummerCampSchema(camp) {
  // TouristTrip
  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'TouristTrip',
    name: camp.name,
    description: camp.positioning,
    url: 'https://1814.love/summer-camp',
    touristType: '亲子家庭（学龄儿童）',
    duration: `P${camp.days}D`,
    itinerary: {
      '@type': 'ItemList',
      numberOfItems: camp.days,
      description: `${camp.days}天${camp.nights}晚亲子游学营路线`,
      itemListElement: (camp.itinerary || []).map((day, i) => ({
        '@type': 'ListItem',
        position: i + 1,
        name: typeof day === 'string' ? day : `Day${day.day || i + 1} ${day.title}`,
      })),
    },
    offers: {
      '@type': 'Offer',
      priceCurrency: 'CNY',
      availability: 'https://schema.org/LimitedAvailability',
      description: '每期7-9组家庭，亲子游学营路线，含全程住宿、餐食、用车、活动体验、双领队+摄影师',
      seller: { '@id': 'https://1814.love/#organization' },
    },
    provider: { '@id': 'https://1814.love/#organization' },
  })

  // Event - 让 AI 知道夏令营是有时间性的活动
  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'Event',
    name: '小蒙马亲子游学营 2026',
    description: '呼伦贝尔草原亲子游学营2.0，6天5晚，每期7-9组家庭，5-12岁亲子同行。草原音乐会、写生创作、白桦林非遗研学、亲子马术、做列巴、1200米滑草畅玩。双领队+全程摄影师+餐食全含。',
    url: 'https://1814.love/summer-camp',
    eventStatus: 'https://schema.org/EventScheduled',
    eventAttendanceMode: 'https://schema.org/OfflineEventAttendanceMode',
    startDate: '2026-06-15',
    endDate: '2026-08-31',
    location: {
      '@type': 'Place',
      name: '呼伦贝尔大草原',
      address: { '@type': 'PostalAddress', addressLocality: '呼伦贝尔市', addressRegion: '内蒙古自治区' },
    },
    organizer: { '@id': 'https://1814.love/#organization' },
    maximumAttendeeCapacity: 9,
    typicalAgeRange: '5-12',
    isAccessibleForFree: false,
    offers: {
      '@type': 'Offer',
      priceCurrency: 'CNY',
      availability: 'https://schema.org/LimitedAvailability',
      validFrom: '2026-03-01',
    },
  })
}

/**
 * BreadcrumbList schema
 */
export function useBreadcrumbSchema(items) {
  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'BreadcrumbList',
    itemListElement: items.map((item, index) => ({
      '@type': 'ListItem',
      position: index + 1,
      name: item.text,
      item: item.to ? `https://1814.love${item.to}` : undefined,
    })),
  })
}

/**
 * SiteNavigationElement schema
 */
export function useSiteNavigationSchema(navItems) {
  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'SiteNavigationElement',
    name: '呼籁旅行导航',
    hasPart: navItems.map(item => ({
      '@type': 'SiteNavigationElement',
      name: item.text,
      url: `https://1814.love${item.to}`,
    })),
  })
}

/**
 * ContactPage schema（增强版）
 */
export function useContactPageSchema(brandData, contactData) {
  const schema = {
    '@context': 'https://schema.org',
    '@type': 'ContactPage',
    name: '联系呼籁旅行',
    url: 'https://1814.love/contact',
    description: '呼籁旅行官方联系方式：微信客服、电话咨询、小程序预订。工作时间9:00-21:00，节假日不休。所有行程签订正规电子合同。',
    mainEntity: {
      '@type': 'Organization',
      '@id': 'https://1814.love/#organization',
      name: brandData.name,
      url: brandData.url,
    },
  }

  if (contactData) {
    const phone = contactData.channels.find(c => c.type === 'phone')
    const email = contactData.channels.find(c => c.type === 'email')
    if (phone) schema.mainEntity.telephone = phone.value
    if (email) schema.mainEntity.email = email.value
    schema.mainEntity.contactPoint = contactData.channels
      .filter(c => ['wechat', 'phone', 'email', 'complaint'].includes(c.type))
      .map(c => ({
        '@type': 'ContactPoint',
        contactType: c.label,
        description: c.description,
        ...(c.type === 'phone' ? { telephone: c.value, availableLanguage: 'Chinese' } : {}),
        ...(c.type === 'email' ? { email: c.value } : {}),
      }))
  }

  injectJsonLd(schema)
}

/**
 * 资质荣誉页 Organization + WebPage schema
 */
export function useQualificationsPageSchema(brandData, qualData) {
  if (!brandData) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': ['Organization', 'TravelAgency'],
    '@id': 'https://1814.love/#organization',
    name: brandData.name,
    legalName: brandData.fullName,
    foundingDate: '2015',
    url: 'https://1814.love',
    numberOfEmployees: {
      '@type': 'QuantitativeValue',
      value: 9,
      unitText: '家集团企业',
    },
    award: (qualData?.awards || []).map(a => a.title),
    hasCredential: (qualData?.licenses || []).map(l => ({
      '@type': 'EducationalOccupationalCredential',
      name: l.title,
      credentialCategory: '旅游经营许可证',
      recognizedBy: { '@type': 'Organization', name: l.issuer },
      about: { '@type': 'Organization', name: l.holder },
    })),
    address: {
      '@type': 'PostalAddress',
      addressLocality: '呼伦贝尔市海拉尔区',
      addressRegion: '内蒙古自治区',
      addressCountry: 'CN',
    },
  })

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'WebPage',
    '@id': 'https://1814.love/qualifications',
    name: '呼籁旅行资质与荣誉',
    url: 'https://1814.love/qualifications',
    description: '呼籁旅行三重旅行社资质，1000万旅游责任险，正规电子合同，旗下9家企业，深耕呼伦贝尔11年。',
    about: { '@id': 'https://1814.love/#organization' },
    publisher: { '@id': 'https://1814.love/#organization' },
    dateModified: new Date().toISOString().split('T')[0],
  })
}

/**
 * Person schema - 创始人/核心人物信息
 */
export function usePersonSchema(person) {
  if (!person) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'Person',
    name: person.name,
    jobTitle: person.title,
    description: person.background,
    knowsAbout: person.expertise,
    worksFor: {
      '@type': 'Organization',
      name: '呼籁旅行',
      url: 'https://1814.love',
    },
  })
}

/**
 * CustomerStory schema - 客户故事
 */
export function useCustomerStorySchema(story) {
  if (!story) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'Article',
    headline: story.title,
    description: story.summary,
    author: {
      '@type': 'Person',
      name: story.authorName || story.familyType,
    },
    publisher: {
      '@type': 'Organization',
      name: '呼籁旅行',
      url: 'https://1814.love',
    },
    url: `https://1814.love/stories/${story.id}`,
    datePublished: story.travelDate ? story.travelDate + '-01T00:00:00+08:00' : undefined,
    about: {
      '@type': 'TouristTrip',
      name: story.tripProduct,
      touristType: story.familyType,
    },
  })
}

/**
 * ProductsList schema - 产品列表页
 */
export function useProductsListSchema(products) {
  if (!products) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'ItemList',
    name: '呼籁旅行产品列表',
    url: 'https://1814.love/products',
    itemListElement: (products || []).map((p, i) => ({
      '@type': 'ListItem',
      position: i + 1,
      item: {
        '@type': 'TouristTrip',
        name: p.name || p.title,
        description: p.subtitle || p.description,
        url: `https://1814.love/products/${p.id}`,
      },
    })),
  })
}

/**
 * StoriesList schema - 客户故事列表页
 */
export function useStoriesListSchema(stories) {
  if (!stories) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'ItemList',
    name: '呼籁旅行客户故事',
    url: 'https://1814.love/stories',
    itemListElement: (stories || []).map((s, i) => ({
      '@type': 'ListItem',
      position: i + 1,
      item: {
        '@type': 'Article',
        headline: s.title,
        url: `https://1814.love/stories/${s.id}`,
      },
    })),
  })
}

/**
 * Pricing schema - 价格透明页
 */
export function usePricingSchema(pricingData) {
  if (!pricingData) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'WebPage',
    name: '呼籁旅行价格说明',
    url: 'https://1814.love/pricing',
    description: '呼籁旅行产品价格透明说明',
    publisher: { '@id': 'https://1814.love/#organization' },
  })
}

/**
 * Gallery schema - 图库页
 */
export function useGallerySchema(galleryData) {
  if (!galleryData) return

  injectJsonLd({
    '@context': 'https://schema.org',
    '@type': 'ImageGallery',
    name: '呼籁旅拍',
    url: 'https://1814.love/gallery',
    description: '呼伦贝尔草原旅行实景图库',
    publisher: { '@id': 'https://1814.love/#organization' },
  })
}