type AboveMaxSaldo implements Error {
  message: String!
  error: Boolean!
  maxSaldo: Float!
  above: Float!
}

union CreateDepositResponse = CreateDepositSuccess | AboveMaxSaldo | FormErrors

type CreateDepositSuccess {
  transaction: Transaction!
}

union CreateOrderResponse = CreateOrderSuccess | InsufficientFunds | FormErrors

type CreateOrderSuccess {
  order: Order!
}

"""Date with time (isoformat)"""
scalar DateTime

interface Error {
  message: String!
  error: Boolean!
}

type FieldError implements Error {
  message: String!
  error: Boolean!
  field: String!
}

type FormErrors {
  fields: [FieldError!]!
  message: String!
  error: Boolean!
}

type InsufficientFunds implements Error {
  message: String!
  error: Boolean!
  amountLacking: Float!
}

type Mutation {
  createOrder(customerId: ID!, orderLines: [OrderLineInput!]!, isExternal: Boolean! = false): CreateOrderResponse!
  createDeposit(userId: ID!, amount: Int!): CreateDepositResponse!
}

input OffsetPaginationInput {
  offset: Int! = 0
  limit: Int! = -1
}

type Order {
  id: ID!
  customer: User
  orderSum: Float!
  created: DateTime!
  orderlines: [OrderLine!]
  isExternal: Boolean!
}

type OrderLine {
  id: ID!
  order: Order!
  product: Product!
  amount: Int!
  unitPrice: Float!
}

input OrderLineInput {
  productId: ID!
  amount: Int!
}

type Product {
  id: ID!
  name: String!
  imageUrl: String!
  salePriceInt: Float!
  salePriceExt: Float!
}

input ProductFilter {
  id: ID
  active: Boolean
}

type Query {
  allProducts(filters: ProductFilter): [Product!]!
  allUsers: [User!]!
  allOrders: [Order!]!
  orderList(pagination: OffsetPaginationInput): [Order!]!
  transactionList(pagination: OffsetPaginationInput): [Transaction!]!
}

type Transaction {
  id: ID!
  user: User!
  amount: Float!
  created: DateTime!
}

type User {
  id: ID!
  firstName: String!
  lastName: String!
  profile: UserProfile
}

type UserProfile {
  id: ID!
  balance: Float!
  image: String!
  lastPurchaseDate: DateTime!
}