import * as SegmentController from '../../controllers/segment'
import { prismaClient as prisma } from '../../prismaClient'

export async function postIsValidForResident({ postId, userId }): Promise<boolean> {
  const post = await prisma.post.findOne({
    where: { id: postId },
    include: {
      audience: true,
      segments: true,
    },
  })

  // From now on, all post should have audience array
  if (post.audience.length > 0 && post.audience.some((user) => user.id === userId)) {
    return true
  } else {
    // Below is for older post. Older than May 2020
    const userCanSeePost = (await SegmentController.getUsersForSegments(post.segments)).some(
      (u) => u.id === userId
    )

    if (post.segments.length === 0 || userCanSeePost) {
      return true
    }
  }

  return false
}