import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import { VitePWA } from 'vite-plugin-pwa'
import { readFileSync } from 'fs'

function getPostPaths() {
  try {
    const data = JSON.parse(readFileSync('./src/generated/posts-data.json', 'utf-8'))
    return data.paths
  } catch {
    return []
  }
}

export default defineConfig({
  plugins: [
    vue(),
    VitePWA({
      registerType: 'autoUpdate',
      includeAssets: ['pwa-192x192.png', 'pwa-512x512.png'],
      manifest: {
        name: '知识指南',
        short_name: '知识指南',
        description: '个人知识库与技术博客',
        theme_color: '#24292e',
        background_color: '#ffffff',
        display: 'standalone',
        start_url: '/',
        icons: [
          {
            src: 'pwa-192x192.png',
            sizes: '192x192',
            type: 'image/png',
            purpose: 'any'
          },
          {
            src: 'pwa-512x512.png',
            sizes: '512x512',
            type: 'image/png',
            purpose: 'any maskable'
          }
        ]
      },
      workbox: {
        maximumFileSizeToCacheInBytes: 5 * 1024 * 1024,
        globPatterns: ['**/*.{js,css,html,svg,png,ico,woff,woff2}'],
        runtimeCaching: [
          {
            urlPattern: /^https:\/\/cdnjs\.cloudflare\.com\/.*/i,
            handler: 'CacheFirst',
            options: {
              cacheName: 'cdn-cache',
              expiration: { maxEntries: 10, maxAgeSeconds: 60 * 60 * 24 * 30 }
            }
          }
        ]
      }
    })
  ],
  ssgOptions: {
    includedRoutes: () => getPostPaths().map(p => `/post/${p}`)
  }
})