{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/trabex/shipment.json",
  "title": "Trabex Export Shipment",
  "description": "Schema for a Trabex export shipment including shipper, consignee, commodity line items, and compliance processing status.",
  "type": "object",
  "required": ["shipper", "consignee", "destinationCountry", "lineItems"],
  "properties": {
    "shipmentId": {
      "type": "string",
      "description": "Unique Trabex identifier for the shipment (assigned on creation)."
    },
    "status": {
      "type": "string",
      "description": "Current compliance processing status.",
      "enum": ["Pending", "Processing", "Approved", "Flagged", "Filed"]
    },
    "screeningStatus": {
      "type": "string",
      "description": "Restricted party screening result.",
      "enum": ["Clear", "Review", "Blocked"]
    },
    "aesStatus": {
      "type": "string",
      "description": "AES filing status.",
      "enum": ["NotRequired", "Pending", "Accepted", "Fatal", "Rejected"]
    },
    "itn": {
      "type": ["string", "null"],
      "description": "Internal Transaction Number from AES upon successful filing."
    },
    "shipper": {
      "$ref": "#/$defs/Party",
      "description": "The exporting party."
    },
    "consignee": {
      "$ref": "#/$defs/Party",
      "description": "The receiving party."
    },
    "freightForwarder": {
      "$ref": "#/$defs/Party",
      "description": "Optional freight forwarder."
    },
    "destinationCountry": {
      "type": "string",
      "description": "ISO 3166-1 alpha-2 destination country code.",
      "pattern": "^[A-Z]{2}$"
    },
    "exportDate": {
      "type": "string",
      "format": "date",
      "description": "Planned or actual export date."
    },
    "carrier": {
      "type": "string",
      "description": "Carrier name or SCAC code."
    },
    "trackingNumber": {
      "type": "string",
      "description": "Shipment tracking or bill of lading number."
    },
    "referenceNumber": {
      "type": "string",
      "description": "Internal reference or order number."
    },
    "lineItems": {
      "type": "array",
      "description": "Commodity line items in the export shipment.",
      "minItems": 1,
      "items": {
        "$ref": "#/$defs/ExportLineItem"
      }
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the shipment was created."
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of the last update."
    }
  },
  "$defs": {
    "Party": {
      "type": "object",
      "title": "Trading Party",
      "description": "A party involved in a trade transaction.",
      "required": ["name", "country"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Full legal name of the party."
        },
        "address": {
          "type": "string",
          "description": "Street address."
        },
        "city": {
          "type": "string",
          "description": "City."
        },
        "state": {
          "type": "string",
          "description": "State or province."
        },
        "country": {
          "type": "string",
          "description": "ISO 3166-1 alpha-2 country code.",
          "pattern": "^[A-Z]{2}$"
        },
        "postalCode": {
          "type": "string",
          "description": "Postal or zip code."
        }
      }
    },
    "ExportLineItem": {
      "type": "object",
      "title": "Export Line Item",
      "description": "A single commodity line item in an export shipment.",
      "required": ["description", "quantity", "valueUSD"],
      "properties": {
        "description": {
          "type": "string",
          "description": "Description of the commodity."
        },
        "scheduleBNumber": {
          "type": "string",
          "description": "Schedule B or HTS tariff classification number.",
          "pattern": "^[0-9]{4}\\.[0-9]{2}\\.[0-9]{4}$"
        },
        "quantity": {
          "type": "number",
          "description": "Export quantity.",
          "minimum": 0
        },
        "unitOfMeasure": {
          "type": "string",
          "description": "Unit of measure code (Census Bureau codes).",
          "examples": ["NO", "KG", "LB", "MT", "L"]
        },
        "valueUSD": {
          "type": "number",
          "format": "double",
          "description": "Value of goods in US dollars.",
          "minimum": 0
        },
        "countryOfOrigin": {
          "type": "string",
          "description": "ISO 3166-1 alpha-2 country of origin code.",
          "pattern": "^[A-Z]{2}$"
        },
        "eccnNumber": {
          "type": "string",
          "description": "Export Control Classification Number (ECCN) from EAR.",
          "examples": ["EAR99", "5E002", "4A994"]
        }
      }
    }
  }
}