{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/iec-cim/json-schema/iec-cim-asset-schema.json",
  "title": "IEC CIM Asset",
  "description": "JSON Schema for an IEC CIM (Common Information Model) network asset as defined in IEC 61968/61970. Represents a physical piece of electrical equipment in a distribution or transmission network.",
  "type": "object",
  "properties": {
    "mRID": {
      "type": "string",
      "format": "uuid",
      "description": "Master Resource Identifier — globally unique UUID as defined by IEC 61970-301"
    },
    "name": {
      "type": "string",
      "description": "The name is any free human readable and possibly non-unique text naming the object."
    },
    "aliasName": {
      "type": "string",
      "description": "The aliasName is free text human readable name of the object alternative to IdentifiedObject.name."
    },
    "description": {
      "type": "string",
      "description": "The description is a free human readable text describing or naming the object."
    },
    "assetType": {
      "type": "string",
      "enum": [
        "PowerTransformer",
        "Switch",
        "Breaker",
        "Recloser",
        "Sectionalizer",
        "Capacitor",
        "Conductor",
        "ACLineSegment",
        "BusbarSection",
        "EnergyConsumer",
        "EnergySource",
        "GeneratingUnit",
        "Feeder",
        "Substation"
      ],
      "description": "CIM class name of the asset type"
    },
    "location": {
      "$ref": "#/$defs/Location"
    },
    "inService": {
      "type": "boolean",
      "description": "Whether the asset is currently in service"
    },
    "installationDate": {
      "type": "string",
      "format": "date",
      "description": "Date the asset was installed"
    },
    "ratedVoltage": {
      "type": "number",
      "minimum": 0,
      "description": "Rated voltage in volts"
    },
    "baseVoltage": {
      "type": "number",
      "description": "Nominal base voltage in kV for the asset's voltage level"
    },
    "manufacturer": {
      "type": "string"
    },
    "model": {
      "type": "string"
    },
    "serialNumber": {
      "type": "string"
    },
    "lot": {
      "type": "string"
    },
    "criticalityConfig": {
      "type": "string",
      "description": "Criticality rating for asset management prioritization"
    }
  },
  "required": ["mRID", "name", "assetType"],
  "$defs": {
    "Location": {
      "type": "object",
      "description": "CIM Location – geographic location of the asset",
      "properties": {
        "mRID": {
          "type": "string",
          "format": "uuid"
        },
        "name": {
          "type": "string"
        },
        "addressGeneral": {
          "type": "string",
          "description": "Free text address or location description"
        },
        "positionPoints": {
          "type": "array",
          "items": { "$ref": "#/$defs/PositionPoint" }
        }
      }
    },
    "PositionPoint": {
      "type": "object",
      "description": "CIM PositionPoint – a single geographic coordinate pair",
      "properties": {
        "sequenceNumber": {
          "type": "integer",
          "description": "Zero-based sequence number of this point in an ordered set"
        },
        "xPosition": {
          "type": "string",
          "description": "X axis position (typically longitude in WGS84)"
        },
        "yPosition": {
          "type": "string",
          "description": "Y axis position (typically latitude in WGS84)"
        },
        "zPosition": {
          "type": "string",
          "description": "Z axis position (elevation, if applicable)"
        }
      },
      "required": ["xPosition", "yPosition"]
    }
  }
}