{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/us-foods/main/json-schema/us-foods-product-schema.json",
  "title": "US Foods Product",
  "description": "Schema for a US Foods catalog product item used in foodservice ordering and PIM synchronization",
  "type": "object",
  "properties": {
    "itemNumber": {
      "type": "string",
      "description": "US Foods proprietary product item number"
    },
    "gtin": {
      "type": "string",
      "description": "Global Trade Item Number (GTIN-14 per GS1 standards)"
    },
    "description": {
      "type": "string",
      "description": "Full product description"
    },
    "shortDescription": {
      "type": "string",
      "description": "Abbreviated product description for display"
    },
    "brand": {
      "type": "string",
      "description": "Product brand or manufacturer name"
    },
    "category": {
      "type": "string",
      "description": "Product category (e.g., Produce, Proteins, Dairy, Dry Goods)"
    },
    "subcategory": {
      "type": "string",
      "description": "Product subcategory"
    },
    "packSize": {
      "type": "string",
      "description": "Pack size specification (e.g., 4/1 GAL, 6/10 CAN, 40 LB)"
    },
    "unitOfMeasure": {
      "type": "string",
      "description": "Ordering unit of measure (CS = Case, EA = Each, LB = Pound)"
    },
    "netWeight": {
      "type": "number",
      "description": "Net weight of the product in the specified unit"
    },
    "netWeightUnit": {
      "type": "string",
      "description": "Unit for net weight (LB, OZ, KG, G)"
    },
    "storageTemp": {
      "type": "string",
      "description": "Required storage temperature",
      "enum": [
        "frozen",
        "refrigerated",
        "ambient",
        "controlled-ambient"
      ]
    },
    "shelfLifeDays": {
      "type": "integer",
      "description": "Shelf life in days from manufacture date"
    },
    "ingredients": {
      "type": "string",
      "description": "Full ingredient statement"
    },
    "allergens": {
      "type": "object",
      "description": "Major food allergen information per FSMA/FDA requirements",
      "properties": {
        "contains": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": ["milk", "eggs", "fish", "shellfish", "tree-nuts", "peanuts", "wheat", "soybeans", "sesame"]
          },
          "description": "Allergens present in the product"
        },
        "mayContain": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Allergens that may be present due to manufacturing"
        }
      }
    },
    "nutritionFacts": {
      "type": "object",
      "description": "Nutritional information per serving",
      "properties": {
        "servingSize": {
          "type": "string",
          "description": "Serving size description"
        },
        "calories": {
          "type": "integer",
          "description": "Calories per serving"
        },
        "totalFatG": {
          "type": "number",
          "description": "Total fat in grams"
        },
        "sodiumMg": {
          "type": "number",
          "description": "Sodium in milligrams"
        },
        "totalCarbohydratesG": {
          "type": "number",
          "description": "Total carbohydrates in grams"
        },
        "proteinG": {
          "type": "number",
          "description": "Protein in grams"
        }
      }
    },
    "images": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "description": "Product image URLs"
    },
    "isActive": {
      "type": "boolean",
      "description": "Whether the product is currently active in the catalog"
    },
    "isExclusive": {
      "type": "boolean",
      "description": "Whether this is a US Foods exclusive/proprietary brand product"
    },
    "countryOfOrigin": {
      "type": "string",
      "description": "Country of origin for the product"
    }
  },
  "required": ["itemNumber", "description", "brand", "packSize"]
}