{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://missionweaveprotocol.dev/schemas/0.1/message.schema.json",
  "title": "MissionWeaveProtocol 0.1 Committed Message",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "messageId",
    "missionId",
    "groupId",
    "conversationId",
    "author",
    "kind",
    "authority",
    "content",
    "committedAt"
  ],
  "properties": {
    "messageId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "missionId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "groupId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "conversationId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "author": {
      "$ref": "common.schema.json#/$defs/actor"
    },
    "kind": {
      "enum": ["message", "correction", "retraction", "redaction"]
    },
    "authority": {
      "description": "Messages are context only and can never authorize execution.",
      "const": false
    },
    "targetMessageId": {
      "$ref": "common.schema.json#/$defs/id"
    },
    "content": {
      "type": "array",
      "items": {
        "oneOf": [
          {
            "type": "object",
            "additionalProperties": false,
            "required": ["type", "text"],
            "properties": {
              "type": {"const": "text"},
              "text": {
                "type": "string",
                "minLength": 1,
                "maxLength": 100000
              }
            }
          },
          {
            "type": "object",
            "additionalProperties": false,
            "required": ["type", "artifactHash"],
            "properties": {
              "type": {"const": "artifact_ref"},
              "artifactHash": {
                "$ref": "common.schema.json#/$defs/sha256"
              }
            }
          },
          {
            "type": "object",
            "additionalProperties": false,
            "required": ["type", "schema", "data"],
            "properties": {
              "type": {"const": "data_ref"},
              "schema": {
                "type": "string",
                "format": "uri"
              },
              "data": {}
            }
          }
        ]
      },
      "minItems": 1
    },
    "mentions": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/actor"
      },
      "uniqueItems": true
    },
    "references": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/id"
      },
      "uniqueItems": true
    },
    "reason": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4000
    },
    "committedAt": {
      "$ref": "common.schema.json#/$defs/timestamp"
    },
    "extensions": {
      "$ref": "common.schema.json#/$defs/extensions"
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "kind": {"enum": ["correction", "retraction", "redaction"]}
        },
        "required": ["kind"]
      },
      "then": {
        "required": ["targetMessageId", "reason"]
      }
    }
  ]
}