extend type Mutation {
  createTaskGroup(input: NewTaskGroup!):
    TaskGroup! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
  updateTaskGroupLocation(input: NewTaskGroupLocation!):
    TaskGroup! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
  updateTaskGroupName(input: UpdateTaskGroupName!):
    TaskGroup! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
  deleteTaskGroup(input: DeleteTaskGroupInput!):
    DeleteTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
  duplicateTaskGroup(input: DuplicateTaskGroup!):
    DuplicateTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
  sortTaskGroup(input: SortTaskGroup!):
    SortTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
  deleteTaskGroupTasks(input: DeleteTaskGroupTasks!):
    DeleteTaskGroupTasksPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
}

input DeleteTaskGroupTasks {
  taskGroupID: UUID!
}

type DeleteTaskGroupTasksPayload {
  taskGroupID: UUID!
  tasks: [UUID!]!
}

input TaskPositionUpdate {
  taskID: UUID!
  position: Float!
}

type SortTaskGroupPayload {
  taskGroupID: UUID!
  tasks: [Task!]!
}

input SortTaskGroup {
  taskGroupID: UUID!
  tasks: [TaskPositionUpdate!]!
}

input DuplicateTaskGroup {
  projectID: UUID!
  taskGroupID: UUID!
  name: String!
  position: Float!
}

type DuplicateTaskGroupPayload {
  taskGroup: TaskGroup!
}

input NewTaskGroupLocation {
  taskGroupID: UUID!
  position: Float!
}

input UpdateTaskGroupName  {
  taskGroupID: UUID!
  name: String!
}

input DeleteTaskGroupInput {
  taskGroupID: UUID!
}

type DeleteTaskGroupPayload {
  ok: Boolean!
  affectedRows: Int!
  taskGroup: TaskGroup!
}

input NewTaskGroup {
  projectID: String!
  name: String!
  position: Float!
}