scalar DateTime

# The Interchange system schema.
# Note how Passio ID and parking ID are abstracted away
# from the endpoints.
type System {
  id: ID!
  name: String!
  routes: [Route!]
  route(id: ID): Route
  stops: [Stop!]
  stop(id: ID): Stop
  shuttles: [Shuttle!]
  shuttle(id: ID): Shuttle

  parkingSystem: ParkingSystem
}

type ParkingSystem {
  systemId: ID!
  parkingStructures: [ParkingStructure!]
  parkingStructure(id: ID): ParkingStructure
}

type ParkingStructure {
  id: ID!
  name: String!
  capacity: Int!
  spotsAvailable: Int!
  coordinates: Coordinates!
  address: String!
  updatedTime: DateTime
}

type Route {
  name: String!
  id: ID!
  systemId: ID!
  orderedStop(forStopId: ID): OrderedStop
  shuttles: [Shuttle!]
  polylineCoordinates: [Coordinates!]!
  color: String!
  updatedTime: DateTime
}

type OrderedStop {
  nextStop: OrderedStop
  previousStop: OrderedStop
  route: Route
  routeId: ID!
  stop: Stop
  stopId: ID!
  systemId: ID!
  updatedTime: DateTime
}

type Stop {
  id: ID!
  systemId: ID!
  name: String!
  coordinates: Coordinates!
  etas: [ETA!]
  orderedStops: [OrderedStop!]
  updatedTime: DateTime
}

type Coordinates {
  latitude: Float!
  longitude: Float!
}

type ETA {
  stop: Stop
  stopId: ID!
  shuttle: Shuttle
  shuttleId: ID!
  secondsRemaining: Float!
  systemId: ID!
  updatedTime: DateTime
}

type Shuttle {
  name: String!
  systemId: ID!
  id: ID!,
  coordinates: Coordinates!
  route: Route
  routeId: ID!
  etas: [ETA!]
  eta(forStopId: ID): ETA
  orientationInDegrees: Float!
  updatedTime: DateTime
}

# Queries
type Query {
  systems: [System!]!
  system(id: ID): System

  isNotificationScheduled(input: NotificationInput!): Boolean
  secondsThresholdForNotification(input: NotificationInput!): Int

  schemaMinVersion: Int!
  schemaCurrentVersion: Int!
}

# Mutations
type Mutation {
  scheduleNotification(input: NotificationInput!): NotificationResponse!
  cancelNotification(input: NotificationInput!): NotificationResponse!
}

input NotificationInput {
  deviceId: ID!
  shuttleId: ID!
  stopId: ID!
  secondsThreshold: Int
}

type NotificationResponse {
  success: Boolean!
  message: String!
  data: Notification
}

type Notification {
  deviceId: ID!
  shuttleId: ID!
  stopId: ID!
  secondsThreshold: Int
}