extend type Stream {
  commits( limit: Int! = 25, cursor: String ): CommitCollection
  commit( id: String! ): Commit
  branches( limit: Int! = 25, cursor: String ): BranchCollection
  branch( name: String! ): Branch
}

extend type User {
  commits( limit: Int! = 25, cursor: String ): CommitCollectionUser
}

type Branch {
  id: String!
  name: String!
  author: User!
  description: String!
  commits( limit: Int! = 25, cursor: String ): CommitCollection
}

type Commit {
  id: String!
  referencedObject: String!
  realObject: Object
  message: String
  authorName: String
  authorId: String
  createdAt: String
}

type CommitCollectionUserNode {
  id: String!
  referencedObject: String!
  realObject: Object
  message: String
  streamId: String
  streamName: String
}

type BranchCollection {
  totalCount: Int!
  cursor: String
  items: [Branch]
}

type CommitCollection {
  totalCount: Int!
  cursor: String
  items: [Commit]
}

type CommitCollectionUser {
  totalCount: Int!
  cursor: String
  items: [CommitCollectionUserNode]
}

extend type Mutation {
  branchCreate( branch: BranchCreateInput! ): String!
    @hasRole(role: "server:user")
    @hasScope(scope: "streams:write")
  branchUpdate( branch: BranchUpdateInput! ): Boolean!
    @hasRole(role: "server:user")
    @hasScope(scope: "streams:write")
  branchDelete( branch: BranchDeleteInput! ): Boolean!
    @hasRole(role: "server:user")
    @hasScope(scope: "streams:write")
    
  commitCreate( commit: CommitCreateInput! ): String!
    @hasRole(role: "server:user")
    @hasScope(scope: "streams:write")
  commitUpdate( commit: CommitUpdateInput! ): Boolean!
    @hasRole(role: "server:user")
    @hasScope(scope: "streams:write")
  commitDelete( commit: CommitDeleteInput! ): Boolean!
    @hasRole(role: "server:user")
    @hasScope(scope: "streams:write")
}

extend type Subscription {
  # TODO: auth for these subscriptions
  """
  Subscribe to branch created event
  """
  branchCreated( streamId: String! ): JSONObject
    @hasRole(role: "server:user")
  """
  Subscribe to branch updated event.
  """
  branchUpdated( streamId: String!, branchId: String ): JSONObject
    @hasRole(role: "server:user")
  """
  Subscribe to branch deleted event
  """
  branchDeleted( streamId: String! ): JSONObject
    @hasRole(role: "server:user")

  """
  Subscribe to commit created event
  """
  commitCreated( streamId: String! ): JSONObject
    @hasRole(role: "server:user")
  """
  Subscribe to commit updated event.
  """
  commitUpdated( streamId: String!, commitId: String ): JSONObject
    @hasRole(role: "server:user")
  """
  Subscribe to commit deleted event
  """
  commitDeleted( streamId: String! ): JSONObject
    @hasRole(role: "server:user")
}

input BranchCreateInput {
  streamId: String!
  name: String!
  description: String
}

input BranchUpdateInput {
  streamId: String!
  id: String!
  name: String
  description: String
}

input BranchDeleteInput {
  streamId: String!
  id: String!
}

input CommitCreateInput {
  streamId: String!
  branchName: String!
  objectId: String!
  message: String
  previousCommitIds: [String]
}

input CommitUpdateInput {
  streamId: String!
  id: String!
  message: String!
}

input CommitDeleteInput {
  streamId: String!
  id: String!
}