{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api-evangelist.github.io/barclays/json-schema/account-schema.json",
  "title": "Account",
  "description": "A Barclays bank account as returned by the Open Banking Account Information API.",
  "type": "object",
  "properties": {
    "accountId": {
      "type": "string",
      "description": "Unique identifier for the account."
    },
    "currency": {
      "type": "string",
      "pattern": "^[A-Z]{3}$",
      "description": "ISO 4217 currency code."
    },
    "accountType": {
      "type": "string",
      "enum": ["Personal", "Business", "Savings", "CreditCard"],
      "description": "Type of the account."
    },
    "accountSubType": {
      "type": "string",
      "enum": ["CurrentAccount", "Savings", "CreditCard", "Loan"],
      "description": "Sub-type of the account."
    },
    "nickname": {
      "type": "string",
      "description": "Customer-assigned nickname for the account."
    },
    "account": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "schemeName": {
            "type": "string",
            "enum": ["UK.OBIE.SortCodeAccountNumber", "UK.OBIE.IBAN"]
          },
          "identification": {
            "type": "string",
            "description": "Account number or IBAN."
          },
          "name": {
            "type": "string",
            "description": "Account holder name."
          }
        },
        "required": ["schemeName", "identification"]
      }
    },
    "balances": {
      "type": "array",
      "items": {
        "$ref": "#/definitions/Balance"
      }
    }
  },
  "required": ["accountId", "currency", "accountType"],
  "definitions": {
    "Balance": {
      "type": "object",
      "properties": {
        "amount": {
          "type": "object",
          "properties": {
            "amount": {
              "type": "string",
              "pattern": "^\\d+\\.\\d{2}$"
            },
            "currency": {
              "type": "string",
              "pattern": "^[A-Z]{3}$"
            }
          },
          "required": ["amount", "currency"]
        },
        "creditDebitIndicator": {
          "type": "string",
          "enum": ["Credit", "Debit"]
        },
        "type": {
          "type": "string",
          "enum": ["ClosingAvailable", "ClosingBooked", "ForwardAvailable", "InterimAvailable", "InterimBooked"]
        },
        "dateTime": {
          "type": "string",
          "format": "date-time"
        }
      },
      "required": ["amount", "creditDebitIndicator", "type"]
    }
  }
}