{
  "openapi": "3.1.0",
  "info": {
    "title": "Blackbox API Template",
    "version": "0.1.0",
    "description": "This template provides a starting point for a Blackbox API with only a root node."
  },
  "components": {
    "parameters": {
      "query-meta": {
        "in": "query",
        "name": "meta",
        "schema": {
          "type": "string"
        },
        "required": false,
        "allowEmptyValue": true,
        "description": "Get metadata instead of the service or object."
      }
    },
    "schemas": {
      "oas3schema": {
        "type": "object",
        "required": ["type"],
        "properties": {
          "type": {
            "type": "string",
            "enum": ["object", "array", "string", "number", "boolean", "integer"]
          },
          "properties": { 
            "type": "object",
            "additionalProperties": {"$ref": "#/components/schemas/oas3schema"}
          },
          "items": {"$ref": "#/components/schemas/oas3schema"},
          "required": {
            "type": "array",
            "items": {"type": "string"}
          }
        }
      },
      "service": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "summary": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "href": {
            "type": "string",
            "format": "uri"
          },
          "access": {
            "type": "string",
            "enum": ["index", "id", "unique"]
          },
          "identifier": {
            "type": "string"
          },
          "type": {
            "type": "object",
            "properties": {
              "format": {
                "type": "string",
                "enum": ["oas3"]
              },
              "schema": {
                "oneOf": [
                  {
                    "type": "object",
                    "properties": {
                      "href": {
                        "type": "string",
                        "format": "uri"
                      }
                    }
                  },
                  {
                    "$ref": "#/components/schemas/oas3schema"
                  }
                ]
              }
            }
          }
        }
      },
      "service-list": {
        "type": "object",
        "properties": {
          "services": {
            "type": "array",
            "items": { "$ref": "#/components/schemas/service" }
          }
        }
      },
      "metadata": {
        "type": "object",
        "additionalProperties": { "type": "string" }
      },
      "index-response": {
        "type": "object",
        "properties": {
          "index": {
            "type": "number"
          }
        }
      }
    }
  },
  "paths": {
    "/": {
      "get": {
        "summary": "A list of services provided by this API.",
        "operationId": "getRootService",
        "tags": [
          "root"
        ],
        "responses": {
          "200": {
            "description": "200 OK Response: The list of services.",
            "content": {
              "application/json": {
                "schema": { 
                  "allOf": [
                    {"$ref": "#/components/schemas/service-list" },
                    {"$ref": "#/components/schemas/metadata" }
                  ]
                }
              }
            }
          }
        }
      },
      "options": {
        "operationId": "getOptions",
        "responses": {
          "200": {
            "description": "List all available HTTP methods."
          }
        }
      }
    }
  }
}