import getLinkData from '../lib/get-link-data.js'

// this middleware adds properties to the context object
export default async function featuredLinks(req, res, next) {
  if (!req.context.page) return next()

  if (
    !(
      req.context.page.relativePath.endsWith('index.md') ||
      req.context.page.layout === 'product-landing'
    )
  )
    return next()

  if (!req.context.page.featuredLinks) return next()

  req.context.featuredLinks = {}
  for (const key in req.context.page.featuredLinks) {
    if (key === 'videos') {
      // Videos are external URLs so don't run through getLinkData, they're
      // objects with title and href properties.
      req.context.featuredLinks[key] = req.context.page.featuredLinks[key]
    } else {
      req.context.featuredLinks[key] = await getLinkData(
        req.context.page.featuredLinks[key],
        req.context,
        { title: true, intro: true, fullTitle: true }
      )
    }
  }

  return next()
}