export interface Identifiable {
  id: string;
}

export interface Created {
  createdAt: Date;
}

export interface Updated {
  updatedAt: Date;
}

export type Timestamped = Created & Updated;

export interface Team extends Identifiable, Timestamped {
  displayName: string;
}

export interface User extends Identifiable, Timestamped {
  username: string;
  passwordDigest: string;
  displayName?: string;
}

export type PublicUser = Pick<
  User,
  | "displayName"
  | "username"
  | keyof Identifiable
>;

export interface Note extends Identifiable, Timestamped {
  content: string;
  userId: User["id"] | null;
  userUsername?: User["username"];
  userDisplayName?: User["displayName"];
}

type IdentifierFor<T extends Identifiable> = T["id"];

export interface Token extends Created {
  bytes?: Uint8Array;
  digest: Uint8Array;
  userId: IdentifierFor<User>;
  data: Record<string, unknown> | null;
}

/** 32 bytes base64-encoded */
export type TokenDigest = string;

export interface ContextState extends Record<string, unknown> {
  user?: PublicUser;
  something?: string;
}

export type TeamUserStatus = "invited" | "accepted" | "owner";
export interface TeamUser {
  userId: IdentifierFor<User>;
  teamId: IdentifierFor<Team>;
  status: TeamUserStatus;
}

export interface Playlist extends Identifiable, Timestamped {
  displayName: string;
  teamId: IdentifierFor<Team>;
}

export interface Display extends Identifiable, Timestamped {
  displayName: string;
  teamId: IdentifierFor<Team>;
  playlistId: IdentifierFor<Playlist>;
  isFrozen: boolean;
  isBlanked: boolean;
  currentSongIndex: number;
  currentVerseIndex: number;
}
export type Ungenerated<T> = Omit<T, keyof Identifiable | keyof Timestamped>;