import { loader } from 'fumadocs-core/source';
import { lucideIconsPlugin } from 'fumadocs-core/source/lucide-icons';
import { docsContentRoute, docsImageRoute, docsRoute } from './shared';
import { defineDocs } from 'fumadocs-mdx/macro';
import { metaSchema, pageSchema } from 'fumadocs-core/source/schema';
import { i18n } from './i18n';

const docs = defineDocs({
  dir: 'content/docs',
  docs: {
    schema: pageSchema,
    postprocess: {
      includeProcessedMarkdown: true,
    },
  },
  meta: {
    schema: metaSchema,
  },
});

// See https://fumadocs.dev/docs/headless/source-api for more info
export const source = loader({
  baseUrl: docsRoute,
  source: docs.toFumadocsSource(),
  plugins: [lucideIconsPlugin()],
  i18n,
});

/** Locale URL prefix segment; all locales are explicit (hideLocale: 'never'). */
function localeSegment(page: (typeof source)['$inferPage']): string | undefined {
  return page.locale;
}

export function getPageImageUrl(page: (typeof source)['$inferPage']) {
  const segments = [...page.slugs, 'image.png'];

  return {
    segments,
    url:
      '/' +
      [localeSegment(page), ...docsImageRoute.split('/'), ...segments].filter(Boolean).join('/'),
  };
}

export function getPageMarkdownUrl(page: (typeof source)['$inferPage']) {
  const segments = [...page.slugs, 'content.md'];

  return {
    segments,
    url:
      '/' +
      [localeSegment(page), ...docsContentRoute.split('/'), ...segments].filter(Boolean).join('/'),
  };
}

export async function getLLMText(page: (typeof source)['$inferPage']) {
  const processed = await page.data.getText('processed');

  return `# ${page.data.title} (${page.url})

${processed}`;
}