{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/api-evangelist/shell/blob/main/json-schema/shell-fuel-card-schema.json",
  "title": "Shell Fuel Card",
  "description": "A Shell B2B fuel card used for fleet fuel purchases",
  "type": "object",
  "properties": {
    "cardId": {
      "type": "string",
      "description": "Unique identifier for the fuel card"
    },
    "cardPAN": {
      "type": "string",
      "description": "Primary Account Number of the fuel card"
    },
    "maskedPAN": {
      "type": "string",
      "description": "Masked card number for display purposes"
    },
    "cardStatus": {
      "type": "string",
      "enum": ["Active", "Blocked", "Cancelled", "Expired", "Pending"],
      "description": "Current status of the fuel card"
    },
    "expiryDate": {
      "type": "string",
      "description": "Card expiry date (MMYY format)"
    },
    "accountNumber": {
      "type": "string",
      "description": "Customer account number associated with the card"
    },
    "payerNumber": {
      "type": "string",
      "description": "Payer account number for billing"
    },
    "driverName": {
      "type": "string",
      "description": "Name of the driver assigned to the card"
    },
    "vehicleRegistration": {
      "type": "string",
      "description": "Vehicle registration number for vehicle-based cards"
    },
    "cardType": {
      "type": "string",
      "description": "Type of fuel card (e.g., multi-product, fuel-only)"
    },
    "colCoCode": {
      "type": "integer",
      "description": "Collecting Company country code"
    },
    "limits": {
      "type": "array",
      "description": "Spending limits and restrictions applied to the card",
      "items": {
        "$ref": "#/$defs/CardLimit"
      }
    }
  },
  "required": ["cardId", "maskedPAN", "cardStatus", "colCoCode"],
  "$defs": {
    "CardLimit": {
      "type": "object",
      "title": "Shell Card Limit",
      "description": "A spending limit or restriction on a fuel card",
      "properties": {
        "type": {
          "type": "string",
          "description": "Type of limit (amount, volume, frequency)"
        },
        "value": {
          "type": "number",
          "description": "Limit value"
        },
        "period": {
          "type": "string",
          "description": "Period for the limit (daily, weekly, monthly)"
        },
        "currency": {
          "type": "string",
          "description": "Currency code for amount-based limits"
        }
      }
    }
  }
}