type AttributeValue {
  name: String!
  value: [String!]!
}

type Mutation {
  createUser(user: CreateUserInput!): User!
  createGroup(name: String!): Group!
  createGroupWithDetails(request: CreateGroupInput!): Group!
  updateUser(user: UpdateUserInput!): Success!
  updateGroup(group: UpdateGroupInput!): Success!
  addUserToGroup(userId: String!, groupId: Int!): Success!
  removeUserFromGroup(userId: String!, groupId: Int!): Success!
  deleteUser(userId: String!): Success!
  deleteGroup(groupId: Int!): Success!
  addUserAttribute(name: String!, attributeType: AttributeType!, isList: Boolean!, isVisible: Boolean!, isEditable: Boolean!): Success!
  addGroupAttribute(name: String!, attributeType: AttributeType!, isList: Boolean!, isVisible: Boolean!, isEditable: Boolean!): Success!
  deleteUserAttribute(name: String!): Success!
  deleteGroupAttribute(name: String!): Success!
}

type Group {
  id: Int!
  displayName: String!
  creationDate: DateTimeUtc!
  uuid: String!
  "User-defined attributes."
  attributes: [AttributeValue!]!
  "The groups to which this user belongs."
  users: [User!]!
}

"""
  A filter for requests, specifying a boolean expression based on field constraints. Only one of
  the fields can be set at a time.
"""
input RequestFilter {
  any: [RequestFilter!]
  all: [RequestFilter!]
  not: RequestFilter
  eq: EqualityConstraint
  memberOf: String
  memberOfId: Int
}

"DateTime"
scalar DateTimeUtc

type Query {
  apiVersion: String!
  user(userId: String!): User!
  users(filters: RequestFilter): [User!]!
  groups: [Group!]!
  group(groupId: Int!): Group!
  schema: Schema!
}

"The details required to create a user."
input CreateUserInput {
  id: String!
  email: String!
  displayName: String
  firstName: String
  lastName: String
  "Base64 encoded JpegPhoto." avatar: String
  "User-defined attributes." attributes: [AttributeValueInput!]
}

type AttributeSchema {
  name: String!
  attributeType: AttributeType!
  isList: Boolean!
  isVisible: Boolean!
  isEditable: Boolean!
  isHardcoded: Boolean!
}

"The fields that can be updated for a user."
input UpdateUserInput {
  id: String!
  email: String
  displayName: String
  firstName: String
  lastName: String
  "Base64 encoded JpegPhoto." avatar: String
  """
    Attribute names to remove.
    They are processed before insertions.
  """ removeAttributes: [String!]
  """
    Inserts or updates the given attributes.
    For lists, the entire list must be provided.
  """ insertAttributes: [AttributeValueInput!]
}

input EqualityConstraint {
  field: String!
  value: String!
}

type Schema {
  userSchema: AttributeList!
  groupSchema: AttributeList!
}

"The fields that can be updated for a group."
input UpdateGroupInput {
  "The group ID." id: Int!
  "The new display name." displayName: String
  """
    Attribute names to remove.
    They are processed before insertions.
  """ removeAttributes: [String!]
  """
    Inserts or updates the given attributes.
    For lists, the entire list must be provided.
  """ insertAttributes: [AttributeValueInput!]
}

input AttributeValueInput {
  """
    The name of the attribute. It must be present in the schema, and the type informs how
    to interpret the values.
  """ name: String!
  """
    The values of the attribute.
    If the attribute is not a list, the vector must contain exactly one element.
    Integers (signed 64 bits) are represented as strings.
    Dates are represented as strings in RFC3339 format, e.g. "2019-10-12T07:20:50.52Z".
    JpegPhotos are represented as base64 encoded strings. They must be valid JPEGs.
  """ value: [String!]!
}

"The details required to create a group."
input CreateGroupInput {
  displayName: String!
  "User-defined attributes." attributes: [AttributeValueInput!]
}

type User {
  id: String!
  email: String!
  displayName: String!
  firstName: String!
  lastName: String!
  avatar: String
  creationDate: DateTimeUtc!
  uuid: String!
  "User-defined attributes."
  attributes: [AttributeValue!]!
  "The groups to which this user belongs."
  groups: [Group!]!
}

type AttributeList {
  attributes: [AttributeSchema!]!
}

enum AttributeType {
  STRING
  INTEGER
  JPEG_PHOTO
  DATE_TIME
}

type Success {
  ok: Boolean!
}

schema {
  query: Query
  mutation: Mutation
}