type User {
  id: ID!
  tripIds: [Trip!]!
  name: String!
}

type Trip {
  id: ID!
  description: String!
  name: String!
  users: [User!]!
  locations: [Location!]!
}

type Location {
  id: ID!
  name: String!
  lat: Int!
  description: String!
  lon: Int!
}

input UserInput {
  name: String!
}

input TripInput {
  description: String!
  name: String!
  users: [User!]!
  locations: [Location!]!
}

input LocationInput {
  name: String!
  lat: Int!
  description: String!
  lon: Int!
}

type Query {
  getTripsByUser(userId: String!): [Trip!]!
}

type Mutation {
  createUser(input: UserInput!): User!
  createTrip(input: TripInput!): Trip!
  createLocation(input: LocationInput!): Location!
}