{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/whole-foods-market/main/json-schema/whole-foods-market-edi-850-schema.json",
  "title": "Whole Foods Market EDI 850 Purchase Order",
  "description": "EDI 850 Purchase Order document sent by Whole Foods Market to suppliers.",
  "type": "object",
  "properties": {
    "purchaseOrderNumber": {
      "type": "string",
      "description": "Unique purchase order number assigned by Whole Foods Market."
    },
    "purchaseOrderDate": {
      "type": "string",
      "format": "date",
      "description": "Date the purchase order was issued."
    },
    "requestedDeliveryDate": {
      "type": "string",
      "format": "date",
      "description": "Requested delivery date to the distribution center or store."
    },
    "vendorNumber": {
      "type": "string",
      "description": "Whole Foods Market assigned vendor identification number."
    },
    "shipToLocation": {
      "type": "object",
      "description": "Shipping destination (distribution center or store).",
      "properties": {
        "locationId": {"type": "string"},
        "name": {"type": "string"},
        "address1": {"type": "string"},
        "address2": {"type": "string"},
        "city": {"type": "string"},
        "state": {"type": "string"},
        "postalCode": {"type": "string"},
        "country": {"type": "string"}
      }
    },
    "billToLocation": {
      "type": "object",
      "description": "Billing address for the purchase order."
    },
    "currency": {
      "type": "string",
      "default": "USD",
      "description": "Currency code for the order (ISO 4217)."
    },
    "lineItems": {
      "type": "array",
      "description": "List of ordered products.",
      "items": {
        "type": "object",
        "properties": {
          "lineNumber": {
            "type": "integer",
            "description": "Line item sequence number."
          },
          "upc": {
            "type": "string",
            "description": "Product UPC barcode."
          },
          "vendorItemNumber": {
            "type": "string",
            "description": "Vendor's internal item number."
          },
          "description": {
            "type": "string",
            "description": "Product description."
          },
          "orderedQuantity": {
            "type": "integer",
            "description": "Quantity ordered."
          },
          "unitOfMeasure": {
            "type": "string",
            "description": "Unit of measure for ordered quantity (EA, CS, etc.)."
          },
          "unitPrice": {
            "type": "number",
            "format": "float",
            "description": "Unit price per item."
          },
          "lineTotal": {
            "type": "number",
            "format": "float",
            "description": "Total line item amount."
          }
        },
        "required": ["lineNumber", "upc", "orderedQuantity"]
      }
    },
    "totalAmount": {
      "type": "number",
      "format": "float",
      "description": "Total purchase order amount."
    },
    "specialInstructions": {
      "type": "string",
      "description": "Special handling or delivery instructions."
    }
  },
  "required": ["purchaseOrderNumber", "purchaseOrderDate", "vendorNumber", "lineItems"],
  "additionalProperties": true
}