// @ts-check
import { defineConfig } from 'astro/config';
import node from '@astrojs/node';
import starlight from '@astrojs/starlight';

import { docsSidebar } from './src/config/sidebar.mjs';

/**
 * PLAN.md §6 calls this "Astro with the Node adapter, `output: 'server'` with per-page
 * `prerender = true`". Astro 7 expresses that shape the other way round: `output: 'static'`
 * with an adapter prerenders everything and lets individual routes opt OUT with
 * `export const prerender = false`. The runtime result is identical to what §6 describes —
 * a container serving prerendered HTML, with a handful of routes executing per request —
 * and this is the direction the framework supports, so the default is the safe one: a page
 * added without thinking about it is static, not accidentally server-rendered.
 *
 * The two routes that will opt out live in phases 2 and 5: `GET /brand/*` (§7) and
 * `POST /api/beta-signup` (§8).
 */
export default defineConfig({
  site: 'https://runicgateway.com',
  output: 'static',
  adapter: node({ mode: 'standalone' }),

  build: {
    // Directory-style URLs, so every link in prose can end in a slash and mean it.
    format: 'directory',
  },

  integrations: [
    starlight({
      title: 'Runic Gateway',
      // Marketing owns the 404 (§10); a Starlight-chrome 404 on `/features/` would be wrong.
      disable404Route: true,
      // Not a file in `public/`: the brand route derives this from whichever `logo.png` is
      // mounted (§7), so the docs' tab icon changes with a rebrand like everything else.
      // Starlight's default is `/favicon.svg`, which does not exist here — every docs page
      // was requesting a 404 for it.
      favicon: '/brand/favicon.ico',
      // Starlight's own light/dark switch is deliberate: §11 keeps marketing single-theme
      // but has the docs honour the reader's preference.
      customCss: ['./src/styles/tokens.css', './src/styles/starlight.css'],
      components: {
        // Not the `logo` option: that takes an asset imported through Vite, which
        // fingerprints the filename into the build — and a fingerprinted logo is one the
        // bind mount can never replace (§7). The override points at the stable
        // `/brand/*` URL instead.
        SiteTitle: './src/components/DocsSiteTitle.astro',
        // Starlight builds its own head, so the docs otherwise miss the brand stylesheet,
        // the manifest and the OG card entirely. See the component.
        Head: './src/components/DocsHead.astro',
      },
      credits: false,
      sidebar: docsSidebar,
      pagination: true,
      lastUpdated: false,
      editLink: {
        baseUrl: 'https://gitea.whitlocktech.com/RunicGateway/runicgateway.com/_edit/main/',
      },
    }),
  ],

  prefetch: {
    prefetchAll: true,
    defaultStrategy: 'hover',
  },
});