// @ts-check
import { defineConfig } from 'astro/config';
import node from '@astrojs/node';
import tailwindcss from '@tailwindcss/vite';
import preact from '@astrojs/preact';
const isDev = process.env.NODE_ENV === 'development';

// https://astro.build/config
export default defineConfig({
  output: 'server',

  adapter: node({
    mode: 'standalone'
  }),

  // 🛰️ Postavke razvojnog poslužitelja unutar Docker mreže
  server: {
    host: true, // Sluša na 0.0.0.0 unutar kontejnera
    port: 4321, // Unutarnji port kontejnera
  },

  vite: {
    resolve: {
      alias: {
        react: 'preact/compat',
        'react-dom': 'preact/compat',
        'react-dom/test-utils': 'preact/test-utils',
        'react/jsx-runtime': 'preact/jsx-runtime',
        'react/jsx-dev-runtime': 'preact/jsx-dev-runtime',
      },
    },
    define: {
      __PUSHER_KEY__: JSON.stringify(process.env.PUBLIC_PUSHER_KEY || process.env.PUSHER_KEY || ''),
      __PUSHER_CLUSTER__: JSON.stringify(process.env.PUBLIC_PUSHER_CLUSTER || process.env.PUSHER_CLUSTER || ''),
    },
    ssr: {
      noExternal: ['@react-spring/web', '@react-spring/core', '@react-spring/animated', '@react-spring/shared'],
    },
    build: {
      assetsInlineLimit: 1024,
    },
    plugins: [tailwindcss()],

    // ⚙️ Ugrađene preporuke za Docker File Watching i Tihi Refresh (HMR)
    server: isDev ? {
      hmr: {
        protocol: 'ws',
        host: 'localhost',
        // Mora odgovarati mapiranom portu u docker-compose (4321:4321)
        clientPort: 4321,
      },
      watch: {
        // Prisiljava Vite na "polling" sustav jer Windows/WSL2 volumeni nekad blokiraju inotify signale
        usePolling: true,
        interval: 100,
      }
    } : {}, // U produkciji je ovaj blok potpuno prazan radi maksimalnih performansi
  },

  // Redoslijed integracija: Tailwind pa Preact
  integrations: [preact()],
});