{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/rabbitmq/rabbitmq-message.json",
  "title": "RabbitMQ Message",
  "description": "Schema for a RabbitMQ AMQP message including properties and payload.",
  "type": "object",
  "properties": {
    "payload": {
      "description": "The message body content"
    },
    "payload_bytes": {
      "type": "integer",
      "description": "Size of the payload in bytes"
    },
    "exchange": {
      "type": "string",
      "description": "The exchange the message was published to"
    },
    "routing_key": {
      "type": "string",
      "description": "The routing key used for message routing"
    },
    "redelivered": {
      "type": "boolean",
      "description": "Whether the message has been redelivered"
    },
    "properties": {
      "type": "object",
      "description": "AMQP message properties",
      "properties": {
        "content_type": {
          "type": "string",
          "description": "MIME type of the message body"
        },
        "content_encoding": {
          "type": "string",
          "description": "Encoding of the message body"
        },
        "delivery_mode": {
          "type": "integer",
          "enum": [1, 2],
          "description": "1=non-persistent, 2=persistent"
        },
        "priority": {
          "type": "integer",
          "minimum": 0,
          "maximum": 255,
          "description": "Message priority"
        },
        "correlation_id": {
          "type": "string",
          "description": "Correlation identifier for RPC patterns"
        },
        "reply_to": {
          "type": "string",
          "description": "Queue name for reply messages"
        },
        "expiration": {
          "type": "string",
          "description": "Per-message TTL in milliseconds"
        },
        "message_id": {
          "type": "string",
          "description": "Application-provided message identifier"
        },
        "timestamp": {
          "type": "integer",
          "description": "Unix timestamp when message was created"
        },
        "type": {
          "type": "string",
          "description": "Application-specific message type"
        },
        "user_id": {
          "type": "string",
          "description": "User who published the message"
        },
        "app_id": {
          "type": "string",
          "description": "Application that published the message"
        },
        "headers": {
          "type": "object",
          "additionalProperties": true,
          "description": "Custom message headers"
        }
      }
    }
  },
  "required": ["payload"]
}