enum ObserverType {
    AMATEUR
    SEMIPROFESSIONAL @deprecated(reason: "No such thing as semiprofessionals")
    PROFESSIONAL
}

type Bird @fieldMarks(plumage: "juvenile") @fieldMarks(plumage: "adult") {
    id: ID!
    location: String!
    name: String!
    notes: String @deprecated(reason: "Field is obsolete due to new data model.")
    observedAt: DateTime! @deprecated(reason: "Use UNIX timestamps instead as customary in bird watching")
    species: String!
}

type BirdObservation {
    bird: Bird!
    observationID: ID!
    observerDetails: ObserverDetails!
    timeOfObservation: DateTime!
}

type ObserverDetails {
    membershipNumber: String
    name: String!
    observerType: ObserverType!
}

type BirdSighting @deprecated(reason: "we haven't seen any birds in a while :(") {
    bird: Bird! @pelagic
    observer: String!
    sightingID: ID!
    weatherConditions: String
}

type Query {
    bird: Bird
    birdObservation: BirdObservation
    birdObservations: [BirdObservation]
    birdSighting: BirdSighting
    birdSightings: [BirdSighting]
    birds: [Bird]
}

input BirdObservationFilters {
    observedAt: DateTime @deprecated(reason: "UNIX timestamps instead, as usual in bird watching")
    observerType: ObserverType
    observerName: String
    first: Int
}

scalar DateTime