{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:room-event:v1",
  "title": "RoomEvent v1",
  "description": "Durable room lifecycle or scoped authority event payload carried by an Agora record envelope.",
  "type": "object",
  "additionalProperties": false,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": ["P070"],
  "required": ["schema/v", "room/id", "event", "authority/subject", "seq/no", "created-at"],
  "properties": {
    "schema/v": { "const": 1 },
    "room/id": { "$ref": "room.v1.schema.json#/$defs/room_id" },
    "event": {
      "type": "string",
      "enum": [
        "opened",
        "delegated",
        "delegation-revoked",
        "member-granted",
        "member-revoked",
        "ready",
        "expired",
        "closed"
      ]
    },
    "authority/subject": { "$ref": "room.v1.schema.json#/$defs/subject" },
    "subject": { "$ref": "room.v1.schema.json#/$defs/subject" },
    "delegation/id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "pattern": "^room-delegation:"
    },
    "delegation/scopes": {
      "type": "array",
      "minItems": 1,
      "maxItems": 8,
      "uniqueItems": true,
      "items": { "type": "string", "enum": ["relay/manage"] }
    },
    "delegation/expires-at": { "type": "string", "format": "date-time" },
    "delegation/ref": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "pattern": "^room-delegation:"
    },
    "seq/no": { "type": "integer", "minimum": 0 },
    "created-at": { "type": "string", "format": "date-time" },
    "reason/ref": { "type": "string", "minLength": 1 },
    "extensions": { "$ref": "room.v1.schema.json#/$defs/extensions" }
  },
  "allOf": [
    {
      "if": {
        "properties": { "event": { "const": "delegated" } },
        "required": ["event"]
      },
      "then": {
        "required": ["subject", "delegation/id", "delegation/scopes", "delegation/expires-at"],
        "not": { "required": ["delegation/ref"] }
      }
    },
    {
      "if": {
        "properties": { "event": { "const": "delegation-revoked" } },
        "required": ["event"]
      },
      "then": {
        "required": ["delegation/ref"],
        "not": {
          "anyOf": [
            { "required": ["delegation/id"] },
            { "required": ["delegation/scopes"] },
            { "required": ["delegation/expires-at"] }
          ]
        }
      }
    }
  ]
}