// @ts-expect-error virtual file generated by bsky-comments module
import { newestPostUrl, newestPostDate } from 'bsky-runtime-discovery-server.mjs'
import { BLUESKY_API, postLinksToUrl, type BlueskyFeedResponse } from '#shared/utils/bluesky'

export default defineEventHandler(async () => {
  if (!newestPostUrl) {
    return { uri: null }
  }

  const bskyHandle = useRuntimeConfig().social.networks.bluesky.identifier
  const searchCutoff = newestPostDate ? new Date(new Date(newestPostDate).getTime() - 24 * 60 * 60 * 1000) : null

  let cursor: string | undefined

  // Iterate through feed until we find a match or reach the day before the post
  do {
    const response = await $fetch<BlueskyFeedResponse>('/xrpc/app.bsky.feed.getAuthorFeed', {
      baseURL: BLUESKY_API,
      query: {
        actor: bskyHandle,
        limit: 100,
        cursor,
      },
    })

    for (const item of response.feed) {
      if (item.reason) continue

      // Check if we've gone past the search cutoff
      if (searchCutoff) {
        const postDate = new Date(item.post.record.createdAt)
        if (postDate < searchCutoff) {
          return { uri: null }
        }
      }

      if (postLinksToUrl(item.post, newestPostUrl)) {
        return { uri: item.post.uri }
      }
    }

    cursor = response.cursor
  } while (cursor)

  return { uri: null }
})