// https://nuxt.com/docs/api/configuration/nuxt-config
export default defineNuxtConfig({
  ssr: true,

  nitro: {
    // preset: 'static' 已移除——静态模式下 server/api/ 不可用。
    // 部署时使用 `nuxt build` + Node.js 服务器（如 PM2）。
    // 若必须静态部署，需将表单改为第三方服务（飞书/EmailJS 等）。
    prerender: {
      crawlLinks: true,
      routes: [
        '/', '/about', '/products', '/summer-camp', '/winter-camp', '/courses', '/guides', '/guide-custom', '/faq', '/reviews', '/contact', '/customize', '/pricing', '/selector', '/sitemap.xml',
        '/products/v9-4d3n', '/products/v9-5d4n', '/products/v9-6d5n-family',
        '/products/v9-6d5n-comfort', '/products/v9-7d6n-family', '/products/v9-7d6n-wild',
        '/products/autumn', '/products/winter',
        '/gallery',
        '/gallery',
        '/news', '/calendar',

        '/stories',
        '/blog',
        '/blog/hulunbuir-travel-guide-2026',
        '/blog/hulunbuir-family-travel-guide',
        '/blog/hulunbuir-best-month-to-visit',
        '/blog/hulunbuir-self-drive-vs-chartered-bus',
        '/blog/hulunbuir-travel-cost-breakdown',
        '/blog/hulunbuir-travel-with-toddlers-4-6',
        '/blog/hulunbuir-travel-tips-avoid-pitfalls',
        '/blog/grassland-photography-outfit-guide',
        '/destinations',
        '/destinations/moriguole', '/destinations/eergunashire', '/destinations/baihualin',
        '/destinations/enhe-shiwei', '/destinations/heishantou', '/destinations/manzhouli',
        '/destinations/hulunhu', '/destinations/aershan', '/destinations/shiwei',
        '/destinations/daxinganling', '/destinations/aoluguya', '/destinations/genhe',
        '/products/autumn', '/products/winter',
        '/products/autumn', '/products/winter',
        '/products/autumn', '/products/winter',
        '/destinations',
        '/destinations/moriguole', '/destinations/eergunashire', '/destinations/baihualin',
        '/destinations/enhe-shiwei', '/destinations/heishantou', '/destinations/manzhouli',
        '/destinations/hulunhu', '/destinations/aershan', '/destinations/shiwei',
        '/destinations/daxinganling', '/destinations/aoluguya', '/destinations/genhe',
        '/gallery',
        '/news', '/calendar',
        '/stories',
        '/blog',
        '/blog/hulunbuir-travel-guide-2026',
        '/blog/hulunbuir-family-travel-guide',
        '/blog/hulunbuir-best-month-to-visit',
        '/blog/hulunbuir-self-drive-vs-chartered-bus',
        '/blog/hulunbuir-travel-cost-breakdown',
        '/blog/hulunbuir-travel-with-toddlers-4-6',
        '/blog/hulunbuir-travel-tips-avoid-pitfalls',
        '/blog/grassland-photography-outfit-guide',
      ],
    },
  },

  css: ['~/assets/less/global.less'],

  vite: {
    css: {
      preprocessorOptions: {
        less: {
          additionalData: `@import "~/assets/less/variables.less"; @import "~/assets/less/mixins.less";`,
        },
      },
    },
  },

  app: {
    head: {
      htmlAttrs: { lang: 'zh-CN' },
      charset: 'utf-8',
      viewport: 'width=device-width, initial-scale=1',
      link: [
        { rel: 'icon', href: '/favicon.ico' },
        { rel: 'apple-touch-icon', href: '/images/logo-square.png' },
        { rel: 'dns-prefetch', href: 'https://beian.miit.gov.cn' },
      ],
      meta: [
        { name: 'applicable-device', content: 'pc,mobile' },
        { 'http-equiv': 'Cache-Control', content: 'no-transform' },
        // 内容语言
        { 'http-equiv': 'content-language', content: 'zh-CN' },
        // 品牌全局声明 - AI 大模型采集时的全局上下文
        { name: 'application-name', content: '呼籁旅行' },
        { name: 'theme-color', content: '#3a7d44' },
        // 允许 AI 索引
        { key: 'robots', name: 'robots', content: 'index, follow, max-snippet:-1, max-image-preview:large' },
      ],
    },
  },

  runtimeConfig: {
    public: {
      apiBase: process.env.API_BASE || 'http://localhost:8000',
    },
  },

  build: {
    transpile: ['naive-ui', 'vueuc', '@css-render/vue3-ssr', 'css-render'],
  },

  compatibilityDate: '2025-03-18',
})