type ProposalDiscussionThreadModeOpen @variant {
  _phantom: Int
}

type ProposalDiscussionWhitelist @entity {
  # Prevents "GraphQLError: Input Object type ProposalDiscussionWhitelistCreateInput must define one or more fields."
  _phantom: Int

  "List of members allowed to participate in the discussion"
  members: [Membership!]
}

type ProposalDiscussionThreadModeClosed @variant {
  # Sidesteps no direct One-to-Many varaint relationships issue
  "Whitelist containing members allowed to participate in the discussion"
  whitelist: ProposalDiscussionWhitelist!
}

union ProposalDiscussionThreadMode = ProposalDiscussionThreadModeOpen | ProposalDiscussionThreadModeClosed

type ProposalDiscussionThread @entity {
  "Proposal discussion thread runtime id"
  id: ID!

  "The proposal the thread is related to"
  proposal: Proposal!

  "List of posts in the the thread"
  posts: [ProposalDiscussionPost!] @derivedFrom(field: "discussionThread")

  "Current thread mode"
  mode: ProposalDiscussionThreadMode!

  "List of related thread mode change events"
  modeChanges: [ProposalDiscussionThreadModeChangedEvent!] @derivedFrom(field: "thread")
}

"The post is visible and editable"
type ProposalDiscussionPostStatusActive @variant {
  _phantom: Int
}

"The post is visible, but not editable"
type ProposalDiscussionPostStatusLocked @variant {
  "ProposalDiscussionPostDeletedEvent in case the post became locked through runtime removal"
  deletedInEvent: ProposalDiscussionPostDeletedEvent
}

"The post is removed and hidden"
type ProposalDiscussionPostStatusRemoved @variant {
  "The event the post was removed in"
  deletedInEvent: ProposalDiscussionPostDeletedEvent!
}

union ProposalDiscussionPostStatus =
    ProposalDiscussionPostStatusActive
  | ProposalDiscussionPostStatusLocked
  | ProposalDiscussionPostStatusRemoved

type ProposalDiscussionPost @entity {
  "Proposal discussion post runtime id"
  id: ID!

  "Proposal discussion thread the post was created in"
  discussionThread: ProposalDiscussionThread!

  "The author of the post"
  author: Membership!

  "Current post status"
  status: ProposalDiscussionPostStatus!

  "True if the post is either Active or Locked"
  isVisible: Boolean!

  "Post's md-formatted text"
  text: String!

  "The post that this post replies to (if any)"
  repliesTo: ProposalDiscussionPost

  "List of events the post text was updated in"
  updates: [ProposalDiscussionPostUpdatedEvent!] @derivedFrom(field: "post")

  "The event the post was created in"
  createdInEvent: ProposalDiscussionPostCreatedEvent! @derivedFrom(field: "post")
}