{
  "name": "SaleRecord",
  "type": "object",
  "properties": {
    "invoice_id": {
      "type": "string",
      "description": "Linked invoice ID"
    },
    "invoice_number": {
      "type": "string",
      "description": "Invoice number"
    },
    "vendor_id": {
      "type": "string"
    },
    "vendor_name": {
      "type": "string"
    },
    "client_name": {
      "type": "string"
    },
    "event_name": {
      "type": "string"
    },
    "event_date": {
      "type": "string",
      "format": "date"
    },
    "gross_amount": {
      "type": "number",
      "description": "Total invoice amount (revenue)"
    },
    "vendor_fee_percentage": {
      "type": "number",
      "description": "Platform/network fee %"
    },
    "vendor_fee_amount": {
      "type": "number",
      "description": "Calculated fee amount"
    },
    "net_amount": {
      "type": "number",
      "description": "Net after vendor fee"
    },
    "payment_status": {
      "type": "string",
      "enum": [
        "Unpaid",
        "Partial",
        "Paid"
      ],
      "default": "Unpaid"
    },
    "amount_paid": {
      "type": "number",
      "default": 0
    },
    "balance_due": {
      "type": "number"
    },
    "payment_history": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "payment_date": {
            "type": "string",
            "format": "date"
          },
          "amount": {
            "type": "number"
          },
          "method": {
            "type": "string"
          },
          "reference": {
            "type": "string"
          },
          "recorded_by": {
            "type": "string"
          }
        }
      }
    }
  },
  "required": [
    "invoice_id",
    "gross_amount"
  ]
}