import { fileURLToPath, URL } from 'node:url'

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'

// Backend service base URL - uses container names when running in container, localhost otherwise
// In container: services communicate via podman network using service names
// Native: services are accessed via localhost with mapped ports
const BACKEND_HOST = process.env.CONTAINER_MODE === 'true' ? 'host.containers.internal' : 'localhost'

// https://vite.dev/config/
export default defineConfig({
  plugins: [
    vue(),
    vueDevTools()
  ],
  server: {
    port: 5173, // Development mode
    host: '0.0.0.0', // Listen on all interfaces for container access
    proxy: {
      '/api/auth': {
        target: `http://${BACKEND_HOST}:8082`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/auth/, '')
      },
      '/api/work': {
        target: `http://${BACKEND_HOST}:8083`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/work/, '')
      },
      '/api/payment': {
        target: `http://${BACKEND_HOST}:8084`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/payment/, '')
      },
      '/api/blog': {
        target: `http://${BACKEND_HOST}:8085`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/blog/, '')
      },
      '/api/ipfs': {
        target: `http://${BACKEND_HOST}:8086`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/ipfs/, '')
      },
      '/api/llm': {
        target: `http://${BACKEND_HOST}:8087`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/llm/, '')
      },
      '/api/contact': {
        target: `http://${BACKEND_HOST}:8088`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/contact/, '')
      },
      '/api/forum': {
        target: `http://${BACKEND_HOST}:8089`,
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/forum/, '')
      }
    }
  },
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url)),
      // Polyfills for P2P libraries (Helia/OrbitDB)
      buffer: 'buffer/',
      stream: 'stream-browserify',
      util: 'util/',
      process: 'process/browser',
      events: 'events/'
    },
  },
  define: {
    'global': 'globalThis',
    'process.env': {}
  },
  optimizeDeps: {
    include: ['buffer', 'process'],
    esbuildOptions: {
      target: 'esnext'
    }
  },
  build: {
    target: 'esnext',
    rollupOptions: {
      // Mark P2P modules as external if they cause issues
      // These will be dynamically imported at runtime
    }
  }
})