{
  "$schema": "https://json-schema.org/draft/2020-12",
  "$id": "https://api-evangelist.github.io/ryerson-holding/json-schema/ryerson-metal-product-schema.json",
  "title": "Ryerson Metal Product",
  "description": "An industrial metal product available through Ryerson Holding's distribution network",
  "type": "object",
  "properties": {
    "productId": {
      "type": "string",
      "description": "Unique product identifier"
    },
    "sku": {
      "type": "string",
      "description": "Stock keeping unit identifier"
    },
    "name": {
      "type": "string",
      "description": "Product name and description"
    },
    "material": {
      "type": "string",
      "enum": ["stainless_steel", "aluminum", "carbon_steel", "alloy_steel", "nickel", "copper", "brass"],
      "description": "Metal material type"
    },
    "grade": {
      "type": "string",
      "description": "Material grade or alloy specification (e.g., 304, 6061-T6, A36)"
    },
    "form": {
      "type": "string",
      "enum": ["sheet", "plate", "bar", "tube", "pipe", "coil", "structural", "round", "flat", "hex", "square"],
      "description": "Physical form of the metal product"
    },
    "dimensions": {
      "type": "object",
      "properties": {
        "thickness": {
          "type": "number",
          "description": "Thickness in inches"
        },
        "width": {
          "type": "number",
          "description": "Width in inches"
        },
        "length": {
          "type": "number",
          "description": "Length in feet or inches"
        },
        "diameter": {
          "type": "number",
          "description": "Outer diameter in inches (for round/tube products)"
        }
      }
    },
    "unit": {
      "type": "string",
      "enum": ["pound", "foot", "piece", "sheet"],
      "description": "Unit of measure for ordering"
    },
    "pricePerUnit": {
      "type": "number",
      "format": "double",
      "description": "Price per unit of measure in USD"
    },
    "availability": {
      "type": "string",
      "enum": ["in_stock", "call_for_availability", "special_order"],
      "description": "Current availability status"
    },
    "minimumOrderQuantity": {
      "type": "number",
      "description": "Minimum order quantity"
    }
  },
  "required": ["productId", "material", "form"]
}