import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { VitePWA } from 'vite-plugin-pwa'
import { createReadStream } from 'fs'
import { resolve } from 'path'

// Serve maplibre CSP worker from node_modules in dev (production Dockerfile copies it to public/)
const serveMaplibreWorker = {
  name: 'serve-maplibre-csp-worker',
  configureServer(server: { middlewares: { use: (path: string, handler: (req: unknown, res: { setHeader: (k: string, v: string) => void }, next: () => void) => void) => void } }) {
    server.middlewares.use('/maplibre-gl-csp-worker.js', (_req, res) => {
      res.setHeader('Content-Type', 'application/javascript')
      createReadStream(resolve('node_modules/maplibre-gl/dist/maplibre-gl-csp-worker.js')).pipe(res as unknown as NodeJS.WritableStream)
    })
  },
}

export default defineConfig({
  plugins: [
    react(),
    serveMaplibreWorker,
    VitePWA({
      registerType: 'autoUpdate',
      workbox: {
        globPatterns: ['**/*.{js,css,html,ico,png,svg}'],
        runtimeCaching: [
          {
            urlPattern: /^\/tiles\//,
            handler: 'CacheFirst',
            options: {
              cacheName: 'pmtiles-cache',
              expiration: { maxEntries: 10, maxAgeSeconds: 7 * 24 * 60 * 60 },
            },
          },
          {
            urlPattern: /^\/api\//,
            handler: 'NetworkFirst',
            options: { cacheName: 'api-cache' },
          },
        ],
      },
      manifest: {
        name: 'TruckNet',
        short_name: 'TruckNet',
        description: 'The Modern CB Radio for Truck Drivers',
        theme_color: '#1a1a2e',
        background_color: '#1a1a2e',
        display: 'fullscreen',
        orientation: 'any',
        icons: [
          { src: '/icon-192.png', sizes: '192x192', type: 'image/png' },
          { src: '/icon-512.png', sizes: '512x512', type: 'image/png' },
        ],
      },
    }),
  ],
  build: {
    rollupOptions: {
      external: ['maplibre-gl'],
    },
  },
  server: {
    proxy: {
      '/api':   { target: `http://${process.env.API_HOST  ?? 'localhost'}:3000`, rewrite: (p) => p.replace(/^\/api/, '') },
      '/auth':  { target: `http://${process.env.AUTH_HOST ?? 'localhost'}:3001`, rewrite: (p) => p.replace(/^\/auth/, '') },
      '/tiles': { target: `http://${process.env.TILES_HOST ?? 'localhost'}:80` },
    },
  },
})