{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://corporate.rossstores.com/schemas/supplier.json",
  "title": "Ross Stores Supplier Integration Schema",
  "description": "Schema for Ross Stores supplier and vendor data integration, covering purchase orders, advance ship notices, invoices, and item master data used in EDI and API-based supplier integration.",
  "type": "object",
  "$defs": {
    "Address": {
      "type": "object",
      "title": "Address",
      "properties": {
        "name": { "type": "string", "description": "Company or location name" },
        "address1": { "type": "string", "description": "Street address line 1" },
        "address2": { "type": "string", "description": "Street address line 2" },
        "city": { "type": "string", "description": "City" },
        "state": { "type": "string", "description": "State or province code" },
        "postalCode": { "type": "string", "description": "ZIP or postal code" },
        "country": { "type": "string", "description": "ISO 3166-1 alpha-2 country code" }
      }
    },
    "LineItem": {
      "type": "object",
      "title": "LineItem",
      "description": "A single merchandise line on a purchase order or invoice",
      "required": ["lineNumber", "upc", "quantity", "unitCost"],
      "properties": {
        "lineNumber": {
          "type": "integer",
          "description": "Sequential line number within the document"
        },
        "upc": {
          "type": "string",
          "description": "Universal Product Code (UPC-A or EAN-13) identifying the item",
          "pattern": "^[0-9]{12,13}$"
        },
        "vendorStyleNumber": {
          "type": "string",
          "description": "Vendor's internal style or SKU number"
        },
        "description": {
          "type": "string",
          "description": "Item description"
        },
        "quantity": {
          "type": "integer",
          "description": "Ordered quantity",
          "minimum": 1
        },
        "unitCost": {
          "type": "number",
          "description": "Cost per unit in USD",
          "minimum": 0
        },
        "retailPrice": {
          "type": "number",
          "description": "Suggested retail price in USD",
          "minimum": 0
        },
        "department": {
          "type": "string",
          "description": "Ross merchandise department code"
        },
        "color": {
          "type": "string",
          "description": "Color description"
        },
        "size": {
          "type": "string",
          "description": "Size code or description"
        }
      }
    },
    "PurchaseOrder": {
      "type": "object",
      "title": "PurchaseOrder",
      "description": "A Ross Stores purchase order to a supplier (EDI 850 equivalent)",
      "required": ["purchaseOrderNumber", "orderDate", "vendorNumber", "shipToAddress", "lineItems"],
      "properties": {
        "purchaseOrderNumber": {
          "type": "string",
          "description": "Unique Ross Stores purchase order number"
        },
        "orderDate": {
          "type": "string",
          "format": "date",
          "description": "Date the purchase order was issued"
        },
        "cancelDate": {
          "type": "string",
          "format": "date",
          "description": "Date after which delivery is no longer acceptable"
        },
        "vendorNumber": {
          "type": "string",
          "description": "Ross-assigned vendor identification number"
        },
        "departmentNumber": {
          "type": "string",
          "description": "Ross merchandise department number"
        },
        "shipWindow": {
          "type": "object",
          "description": "Acceptable ship date range",
          "properties": {
            "earliest": { "type": "string", "format": "date" },
            "latest": { "type": "string", "format": "date" }
          }
        },
        "shipToAddress": { "$ref": "#/$defs/Address" },
        "billToAddress": { "$ref": "#/$defs/Address" },
        "lineItems": {
          "type": "array",
          "items": { "$ref": "#/$defs/LineItem" },
          "minItems": 1
        },
        "totalUnits": {
          "type": "integer",
          "description": "Total unit quantity across all line items"
        },
        "totalCost": {
          "type": "number",
          "description": "Total cost value of the purchase order in USD"
        },
        "notes": {
          "type": "string",
          "description": "Special instructions or notes to the vendor"
        }
      }
    },
    "AdvanceShipNotice": {
      "type": "object",
      "title": "AdvanceShipNotice",
      "description": "A supplier advance ship notice (ASN) to Ross Stores (EDI 856 equivalent)",
      "required": ["asnNumber", "shipDate", "purchaseOrderNumbers", "packages"],
      "properties": {
        "asnNumber": {
          "type": "string",
          "description": "Unique ASN number assigned by the supplier"
        },
        "shipDate": {
          "type": "string",
          "format": "date",
          "description": "Date merchandise was shipped"
        },
        "estimatedArrivalDate": {
          "type": "string",
          "format": "date",
          "description": "Estimated arrival date at Ross distribution center"
        },
        "vendorNumber": {
          "type": "string",
          "description": "Ross-assigned vendor identification number"
        },
        "purchaseOrderNumbers": {
          "type": "array",
          "description": "Purchase order numbers included in this shipment",
          "items": { "type": "string" },
          "minItems": 1
        },
        "carrierCode": {
          "type": "string",
          "description": "SCAC carrier code for the shipping carrier"
        },
        "trackingNumber": {
          "type": "string",
          "description": "Carrier tracking number or PRO number"
        },
        "packages": {
          "type": "array",
          "description": "List of packages/cartons in the shipment",
          "items": {
            "type": "object",
            "properties": {
              "packageNumber": { "type": "string" },
              "weight": { "type": "number" },
              "contents": {
                "type": "array",
                "items": { "$ref": "#/$defs/LineItem" }
              }
            }
          }
        }
      }
    }
  },
  "properties": {
    "purchaseOrders": {
      "type": "array",
      "items": { "$ref": "#/$defs/PurchaseOrder" }
    },
    "advanceShipNotices": {
      "type": "array",
      "items": { "$ref": "#/$defs/AdvanceShipNotice" }
    }
  }
}