/** @type {import('next').NextConfig} */

const { buildSecurityHeaders, normalizeAssetPrefix } = require('../../config/nextSecurityHeaders')
const apiOrigin = (process.env.API_INTERNAL_URL ?? process.env.API_URL ?? 'http://localhost:4000').replace(/\/api\/v1\/?$/, '')
const apiUrl = new URL(apiOrigin)
const ADMIN_BASE_PATH = '/admin'

// In Docker dev the admin app runs on port 3002 while the Carplace proxy
// serves it from port 3000. When ADMIN_ASSET_PREFIX is set, Next emits
// absolute chunk URLs so /admin pages load their JS/CSS and HMR directly from
// port 3002, bypassing the proxy (which can't upgrade WebSocket connections).
const assetPrefix = normalizeAssetPrefix(process.env.ADMIN_ASSET_PREFIX, ADMIN_BASE_PATH)
const securityHeaders = buildSecurityHeaders({ assetSources: [assetPrefix] })

const nextConfig = {
  basePath: ADMIN_BASE_PATH,
  ...(assetPrefix ? { assetPrefix } : {}),
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: 'res.cloudinary.com',
      },
      {
        protocol: apiUrl.protocol.replace(':', ''),
        hostname: apiUrl.hostname,
        ...(apiUrl.port ? { port: apiUrl.port } : {}),
        pathname: '/storage/**',
      },
    ],
  },
  transpilePackages: ['@rentaldrivego/types'],
  async headers() {
    return [
      {
        source: '/:path*',
        headers: securityHeaders,
      },
    ]
  },
  async rewrites() {
    return [
      {
        source: '/api/:path*',
        destination: `${apiOrigin}/api/:path*`,
      },
      {
        source: '/storage/:path*',
        destination: `${apiOrigin}/storage/:path*`,
      },
    ]
  },
}

module.exports = nextConfig
