{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://freecad.org/schemas/freecad-web-assembly-create-recompute-v1.json",
  "oneOf": [
    { "$ref": "#/$defs/request" },
    { "$ref": "#/$defs/result" },
    { "$ref": "#/$defs/error" },
    { "$ref": "#/$defs/cancel" }
  ],
  "$defs": {
    "request": {
      "type": "object",
      "required": ["schema", "version", "kind", "requestId", "command", "payload", "documentId"],
      "properties": {
        "schema": { "const": "freecad-web-facade/v1" },
        "version": { "const": 1 },
        "kind": { "const": "request" },
        "requestId": { "type": "string", "minLength": 1 },
        "command": { "const": "assembly.createRecompute" },
        "documentId": { "type": "string", "minLength": 1 },
        "payload": {
          "type": "object",
          "required": ["schema", "fixture", "objectType", "label"],
          "properties": {
            "schema": { "const": "freecad-web-assembly/create-recompute/v1" },
            "fixture": { "const": "AssemblyKernel" },
            "objectType": { "const": "Assembly::AssemblyObject" },
            "label": { "type": "string", "minLength": 1 }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "result": {
      "type": "object",
      "required": ["schema", "version", "kind", "requestId", "result"],
      "properties": {
        "schema": { "const": "freecad-web-facade/v1" },
        "version": { "const": 1 },
        "kind": { "const": "result" },
        "requestId": { "type": "string", "minLength": 1 },
        "result": {
          "type": "object",
          "required": ["schema", "module", "action", "document", "object", "recompute", "stateSha256"],
          "properties": {
            "schema": { "const": "freecad-web-assembly/create-recompute/v1" },
            "module": { "const": "Assembly" },
            "action": { "const": "create/recompute" },
            "document": {
              "type": "object",
              "required": ["name", "objectCount", "activeAfterClose"],
              "properties": {
                "name": { "type": "string", "minLength": 1 },
                "objectCount": { "type": "integer", "minimum": 0 },
                "activeAfterClose": { "type": "integer", "minimum": 0 }
              },
              "additionalProperties": false
            },
            "object": {
              "type": "object",
              "required": ["name", "type", "componentCount"],
              "properties": {
                "name": { "type": "string", "minLength": 1 },
                "type": { "const": "Assembly::AssemblyObject" },
                "componentCount": { "type": "integer", "minimum": 0 }
              },
              "additionalProperties": false
            },
            "recompute": {
              "type": "object",
              "required": ["count", "hasError", "solverStatus", "degreesOfFreedom"],
              "properties": {
                "count": { "type": "integer", "minimum": 0 },
                "hasError": { "enum": [0, 1] },
                "solverStatus": { "type": "integer" },
                "degreesOfFreedom": { "type": "integer", "minimum": 0 }
              },
              "additionalProperties": false
            },
            "stateSha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "error": {
      "type": "object",
      "required": ["schema", "version", "kind", "requestId", "error"],
      "properties": {
        "schema": { "const": "freecad-web-facade/v1" },
        "version": { "const": 1 },
        "kind": { "const": "error" },
        "requestId": { "type": "string", "minLength": 1 },
        "error": {
          "type": "object",
          "required": ["code", "message"],
          "properties": {
            "code": { "enum": ["invalid_type", "invalid_fixture", "duplicate_request", "cancelled", "handler_error"] },
            "message": { "type": "string", "minLength": 1 },
            "diagnostic": { "type": "object" }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "cancel": {
      "type": "object",
      "required": ["schema", "version", "kind", "requestId", "cancelOf"],
      "properties": {
        "schema": { "const": "freecad-web-facade/v1" },
        "version": { "const": 1 },
        "kind": { "const": "cancel" },
        "requestId": { "type": "string", "minLength": 1 },
        "cancelOf": { "type": "string", "minLength": 1 },
        "documentId": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    }
  }
}