{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://github.com/api-evangelist/walmart/blob/main/json-schema/walmart-inventory-schema.json",
  "title": "Walmart Marketplace Inventory",
  "description": "Schema for Walmart Marketplace item inventory record.",
  "type": "object",
  "properties": {
    "sku": {
      "type": "string",
      "description": "Seller's unique SKU identifier for the item"
    },
    "quantity": {
      "type": "object",
      "description": "Inventory quantity details",
      "properties": {
        "unit": {
          "type": "string",
          "description": "Unit of measurement",
          "enum": ["EACH"]
        },
        "amount": {
          "type": "integer",
          "description": "Inventory quantity",
          "minimum": 0
        }
      },
      "required": ["unit", "amount"]
    },
    "fulfillment": {
      "type": "object",
      "description": "Fulfillment center details",
      "properties": {
        "fulfillmentType": {
          "type": "string",
          "description": "Fulfillment model",
          "enum": ["S2H", "S2S", "WFS"]
        },
        "shipNode": {
          "type": "object",
          "properties": {
            "shipNodeId": { "type": "string" }
          }
        }
      }
    }
  },
  "required": ["sku", "quantity"]
}