{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://missionweaveprotocol.dev/schemas/0.1/websocket-frame.schema.json",
  "title": "MissionWeaveProtocol 0.1 WebSocket Frame",
  "oneOf": [
    {"$ref": "#/$defs/helloClientInit"},
    {"$ref": "#/$defs/helloServerChallenge"},
    {"$ref": "#/$defs/helloClientResponse"},
    {"$ref": "#/$defs/helloServerAccept"},
    {"$ref": "#/$defs/subscribe"},
    {"$ref": "#/$defs/command"},
    {"$ref": "#/$defs/event"},
    {"$ref": "#/$defs/ack"},
    {"$ref": "#/$defs/ping"},
    {"$ref": "#/$defs/error"}
  ],
  "$defs": {
    "helloClientInit": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "protocolVersion",
        "frameId",
        "frameType",
        "phase",
        "agentId",
        "keyId",
        "clientNonce",
        "supportedVersions"
      ],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "HELLO"},
        "phase": {"const": "client_init"},
        "agentId": {"$ref": "common.schema.json#/$defs/id"},
        "keyId": {"$ref": "common.schema.json#/$defs/id"},
        "clientNonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "supportedVersions": {
          "type": "array",
          "items": {"$ref": "common.schema.json#/$defs/protocolVersion"},
          "minItems": 1,
          "uniqueItems": true
        }
      }
    },
    "helloServerChallenge": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "protocolVersion",
        "frameId",
        "frameType",
        "phase",
        "selectedVersion",
        "clientNonce",
        "serverNonce",
        "challenge"
      ],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "HELLO"},
        "phase": {"const": "server_challenge"},
        "selectedVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "clientNonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "serverNonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "challenge": {"$ref": "common.schema.json#/$defs/base64url"}
      }
    },
    "helloClientResponse": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "protocolVersion",
        "frameId",
        "frameType",
        "phase",
        "agentId",
        "keyId",
        "clientNonce",
        "serverNonce",
        "challengeSignature"
      ],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "HELLO"},
        "phase": {"const": "client_response"},
        "agentId": {"$ref": "common.schema.json#/$defs/id"},
        "keyId": {"$ref": "common.schema.json#/$defs/id"},
        "clientNonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "serverNonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "challengeSignature": {"$ref": "common.schema.json#/$defs/base64url"}
      }
    },
    "helloServerAccept": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "protocolVersion",
        "frameId",
        "frameType",
        "phase",
        "selectedVersion",
        "sessionToken",
        "sessionEpoch",
        "expiresAt"
      ],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "HELLO"},
        "phase": {"const": "server_accept"},
        "selectedVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "sessionToken": {"type": "string", "minLength": 16, "maxLength": 8192},
        "sessionEpoch": {"$ref": "common.schema.json#/$defs/positiveInteger"},
        "expiresAt": {"$ref": "common.schema.json#/$defs/timestamp"}
      }
    },
    "subscribe": {
      "type": "object",
      "additionalProperties": false,
      "required": ["protocolVersion", "frameId", "frameType", "subscriptionId", "groups"],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "SUBSCRIBE"},
        "subscriptionId": {"$ref": "common.schema.json#/$defs/id"},
        "groups": {
          "type": "array",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["groupId", "afterSequence"],
            "properties": {
              "groupId": {"$ref": "common.schema.json#/$defs/id"},
              "afterSequence": {"$ref": "common.schema.json#/$defs/safeInteger"},
              "attention": {
                "type": "object",
                "additionalProperties": false,
                "properties": {
                  "eventKinds": {
                    "type": "array",
                    "items": {"$ref": "common.schema.json#/$defs/kind"},
                    "uniqueItems": true
                  },
                  "conversationIds": {
                    "type": "array",
                    "items": {"$ref": "common.schema.json#/$defs/id"},
                    "uniqueItems": true
                  },
                  "workItemIds": {
                    "type": "array",
                    "items": {"$ref": "common.schema.json#/$defs/id"},
                    "uniqueItems": true
                  },
                  "mentionsOnly": {"type": "boolean"},
                  "announcements": {"type": "boolean"}
                }
              }
            }
          },
          "minItems": 1
        }
      }
    },
    "command": {
      "type": "object",
      "additionalProperties": false,
      "required": ["protocolVersion", "frameId", "frameType", "command"],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "COMMAND"},
        "command": {"$ref": "command.schema.json"}
      }
    },
    "event": {
      "type": "object",
      "additionalProperties": false,
      "required": ["protocolVersion", "frameId", "frameType", "event"],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "EVENT"},
        "event": {"$ref": "event.schema.json"}
      }
    },
    "ack": {
      "type": "object",
      "additionalProperties": false,
      "required": ["protocolVersion", "frameId", "frameType", "acknowledgements", "sentAt"],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "ACK"},
        "acknowledgements": {
          "type": "array",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["groupId", "sequence"],
            "properties": {
              "groupId": {"$ref": "common.schema.json#/$defs/id"},
              "sequence": {"$ref": "common.schema.json#/$defs/safeInteger"}
            }
          },
          "minItems": 1
        },
        "sentAt": {"$ref": "common.schema.json#/$defs/timestamp"}
      }
    },
    "ping": {
      "type": "object",
      "additionalProperties": false,
      "required": ["protocolVersion", "frameId", "frameType", "nonce", "sentAt"],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "PING"},
        "nonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "replyToNonce": {"$ref": "common.schema.json#/$defs/base64url"},
        "sentAt": {"$ref": "common.schema.json#/$defs/timestamp"},
        "presence": {"$ref": "presence-record.schema.json"}
      }
    },
    "error": {
      "type": "object",
      "additionalProperties": false,
      "required": ["protocolVersion", "frameId", "frameType", "error"],
      "properties": {
        "protocolVersion": {"$ref": "common.schema.json#/$defs/protocolVersion"},
        "frameId": {"$ref": "common.schema.json#/$defs/id"},
        "frameType": {"const": "ERROR"},
        "error": {"$ref": "error.schema.json"}
      }
    }
  }
}