{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/nats/nats-stream-config.json",
  "title": "NATS JetStream Stream Configuration",
  "description": "Schema for configuring a NATS JetStream stream.",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "A unique name for the stream"
    },
    "description": {
      "type": "string",
      "description": "Optional description for the stream"
    },
    "subjects": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "A list of subjects to consume, supports wildcards"
    },
    "retention": {
      "type": "string",
      "enum": ["limits", "interest", "workqueue"],
      "default": "limits",
      "description": "How messages are retained in the stream"
    },
    "max_consumers": {
      "type": "integer",
      "default": -1,
      "description": "Maximum number of consumers, -1 for unlimited"
    },
    "max_msgs": {
      "type": "integer",
      "default": -1,
      "description": "Maximum number of messages, -1 for unlimited"
    },
    "max_bytes": {
      "type": "integer",
      "default": -1,
      "description": "Maximum total bytes, -1 for unlimited"
    },
    "max_age": {
      "type": "integer",
      "default": 0,
      "description": "Maximum age in nanoseconds, 0 for unlimited"
    },
    "max_msg_size": {
      "type": "integer",
      "default": -1,
      "description": "Maximum message size in bytes"
    },
    "storage": {
      "type": "string",
      "enum": ["file", "memory"],
      "default": "file",
      "description": "Storage backend type"
    },
    "num_replicas": {
      "type": "integer",
      "minimum": 1,
      "maximum": 5,
      "default": 1,
      "description": "Number of stream replicas"
    },
    "discard": {
      "type": "string",
      "enum": ["old", "new"],
      "default": "old",
      "description": "Discard policy when stream limits are reached"
    },
    "duplicate_window": {
      "type": "integer",
      "description": "Window within which to track duplicate messages in nanoseconds"
    },
    "allow_rollup_hdrs": {
      "type": "boolean",
      "default": false,
      "description": "Allow rollup headers to purge subjects"
    },
    "deny_delete": {
      "type": "boolean",
      "default": false,
      "description": "Deny message deletion via API"
    },
    "deny_purge": {
      "type": "boolean",
      "default": false,
      "description": "Deny stream purge via API"
    },
    "allow_direct": {
      "type": "boolean",
      "default": false,
      "description": "Allow direct message access"
    },
    "mirror": {
      "type": "object",
      "description": "Mirror configuration for stream mirroring",
      "properties": {
        "name": {
          "type": "string"
        },
        "opt_start_seq": {
          "type": "integer"
        },
        "filter_subject": {
          "type": "string"
        }
      }
    },
    "sources": {
      "type": "array",
      "description": "Sources for stream sourcing",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "opt_start_seq": {
            "type": "integer"
          },
          "filter_subject": {
            "type": "string"
          }
        }
      }
    }
  },
  "required": ["name"]
}