type Config {
  minimumTeacherSelectionCount: Int!
}

type Query {
  admins: [User!]
  allStudentsVoted: Boolean
  config: Config!
  me: User
  ok: Boolean!
  student(id: Int!): Student
  students: [Student!]
  studentsCanVote: Boolean!
  teacher(id: Int!): Teacher!
  teacherVote(id: Int!): TeacherVote
  teacherVotes: [TeacherVote!]
  teachers: [Teacher!]!
  tokens: [Token!]
  user(id: Int!): User
  userByUsername(username: String!): User
  users: [User!]
  vote(id: Int!): Vote
  votes: [Vote!]
}

type Student {
  id: Int!
  user: User!
  vote: Vote
}

type Teacher {
  id: Int!
  maxStudents: Int!
  teacherVotes: [TeacherVote!]!
  user: User!
}

type TeacherVote {
  id: Int!
  priority: Int!
  teacher: Teacher!
  vote: Vote!
}

scalar Time

type Token {
  exp: Time!
  expired: Boolean!
  iat: Time!
  id: UUID!
}

scalar UUID

type User {
  admin: Boolean!
  email: String!
  externalId: Int!
  firstName: String!
  id: Int!
  lastName: String!
  name(formal: Boolean! = true): String!
  role: UserRole!
  student: Student
  teacher: Teacher
  username: String!
}

enum UserRole {
  Student
  Teacher
}

type Vote {
  id: Int!
  student: Student!
  teacherVotes: [TeacherVote!]!
}

type LoginPayload {
  bearer: String!
  token: String!
  user: User!
}

type Mutation {
  createUser(checkLdap: Boolean! = true, input: UserCreateInput!): User
  createVote(input: VoteCreateInput!): Vote
  deleteUser(id: Int!): Int
  login(password: String!, username: String!): LoginPayload
  logout: UUID
  registerTeacher(input: TeacherInput!): Teacher
  revokeToken(token: UUID!): UUID!
  startAssignment: Boolean
}

input TeacherInput {
  maxStudents: Int!
}

input UserCreateInput {
  username: String!
  role: UserRole!
  admin: Boolean! = false
}

input VoteCreateInput {
  teacherIds: [Int!]!
}