# TODO: add runtime ids to entities (`id: ID!`) where it's needed and possible

# TODO: move `ContentActor*` to `content.graphql` after schema/mappings are finished
#       keep it here for easier reviews
type ContentActorCurator @variant {
  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int

  curator: Curator!
}

type ContentActorMember @variant {
  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int

  member: Membership!
}

type ContentActorLead @variant {
  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int
}

type ContentActorCollaborator @variant {
  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int

  member: Membership!
}

union ContentActor = ContentActorCurator | ContentActorMember | ContentActorLead | ContentActorCollaborator

type CuratorGroup @entity {
  "Runtime identifier"
  id: ID!

  "Is group active or not"
  isActive: Boolean!

  "Curators belonging to this group"
  curators: [Curator!]! @derivedFrom(field: "curatorGroups")

  "Channels curated by this group"
  channels: [Channel!]! @derivedFrom(field: "ownerCuratorGroup")
}

type Curator @entity {
  "Runtime identifier"
  id: ID!

  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int

  curatorGroups: [CuratorGroup!]!
}

"Represents NFT details"
type OwnedNft
  @entity { # NFT in name can't be UPPERCASE because it causes codegen errors
  "NFT's video"
  video: Video! @derivedFrom(field: "nft")

  "Auctions done for this NFT"
  auctions: [Auction!]! @derivedFrom(field: "nft")

  "Member owning the NFT. Channel owner owns the NFT if not set."
  ownerMember: Membership

  "NFT's metadata"
  metadata: String!

  "NFT transactional status"
  transactionalStatus: TransactionalStatus!

  "History of transacional status changes"
  transactionalStatusUpdates: [TransactionalStatusUpdate!]! @derivedFrom(field: "nft")

  "Creator royalty"
  creatorRoyalty: Float
}

type TransactionalStatusUpdate @entity {
  "Video NFT details"
  nft: OwnedNft!

  "NFT transactional status"
  transactionalStatus: TransactionalStatus!

  "Block number at which change happened"
  changedAt: Int!
}

"NFT transactional state"
union TransactionalStatus =
    TransactionalStatusIdle
  | TransactionalStatusInitiatedOfferToMember
  | TransactionalStatusAuction
  | TransactionalStatusBuyNow

"Represents TransactionalStatus Idle"
type TransactionalStatusIdle @variant {
  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int
}

"Represents TransactionalStatus InitiatedOfferToMember"
type TransactionalStatusInitiatedOfferToMember @variant {
  "Member identifier"
  memberId: Int!

  "Whether member should pay to accept offer (optional)"
  price: BigInt
}

"Represents TransactionalStatus Auction"
type TransactionalStatusAuction @variant {
  "Type needs to have at least one non-relation entity. This value is not used."
  dummy: Int

  "Auction"
  auction: Auction!
}

"Represents TransactionalStatus BuyNow"
type TransactionalStatusBuyNow @variant {
  price: BigInt!
}

"Represents various action types"
union AuctionType = AuctionTypeEnglish | AuctionTypeOpen

"Represents English auction details"
type AuctionTypeEnglish @variant {
  "English auction duration"
  duration: Int!

  "Auction extension time"
  extensionPeriod: Int
}

"Represents Open auction details"
type AuctionTypeOpen @variant {
  "Auction bid lock duration"
  bidLockingTime: Int!
}

"Represents NFT auction"
type Auction @entity {
  "Auctioned NFT"
  nft: OwnedNft!

  "Member starting NFT auction. If not set channel owner started auction"
  initialOwner: Membership

  "Member that won this auction"
  winningMember: Membership

  "Auction starting price"
  startingPrice: BigInt!

  "Whether auction can be completed instantly"
  buyNowPrice: BigInt

  # TODO: maybe there is a need to distinguish regular auction completion from buy now

  "The type of auction"
  auctionType: AuctionType!

  "Minimal step between auction bids"
  minimalBidStep: BigInt!

  "Auction last bid (if exists)"
  lastBid: Bid

  bids: [Bid!]! @derivedFrom(field: "auction")

  "Block when auction starts"
  startsAtBlock: Int!

  "Block when auction ended"
  endedAtBlock: Int

  "Block when auction is supposed to end"
  plannedEndAtBlock: Int

  "Is auction canceled"
  isCanceled: Boolean!

  "Is auction completed"
  isCompleted: Boolean!

  "Auction participants whitelist"
  whitelistedMembers: [Membership!]! @derivedFrom(field: "whitelistedInAuctions")
}

"Represents bid in NFT auction"
type Bid @entity {
  "NFT's auction"
  auction: Auction!

  "Bidder membership"
  bidder: Membership!

  # TODO: probably remove that
  #"Bidder account, used to pay for NFT"
  #bidderAccount: String!

  "Amount bidded"
  amount: BigInt!

  "Sign for canceled bid"
  isCanceled: Boolean!

  "Block in which the bid was placed"
  createdInBlock: Int!
}

# TODO entity for (cancelable) offers; will be needed to see history of offers