const mongoose = require('mongoose')

const requireUserId = (userId) => {
  if (typeof userId !== 'string' || !/^[a-f\d]{24}$/i.test(userId)) {
    throw new Error('A valid job userId is required')
  }
  return userId
}

const tenantFilter = (filter) => {
  if (!filter || typeof filter !== 'object') {
    throw new Error('A tenant-scoped filter is required')
  }
  const userId = requireUserId(filter.userId)
  return { ...filter, userId: new mongoose.Types.ObjectId(userId) }
}

module.exports = { requireUserId, tenantFilter }