{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ble/main/json-schema/ble-gatt-service-schema.json",
  "title": "BLE GATT Service",
  "description": "Schema representing a Bluetooth GATT service definition as assigned by the Bluetooth SIG",
  "type": "object",
  "properties": {
    "uuid": {
      "type": "string",
      "description": "16-bit or 128-bit UUID assigned by Bluetooth SIG or custom",
      "examples": ["0x180D", "0000180d-0000-1000-8000-00805f9b34fb"]
    },
    "name": {
      "type": "string",
      "description": "Human-readable service name",
      "examples": ["Heart Rate", "Battery Service", "Device Information"]
    },
    "type": {
      "type": "string",
      "enum": ["org.bluetooth.service", "custom"],
      "description": "Whether this is a SIG-assigned or custom service"
    },
    "characteristics": {
      "type": "array",
      "description": "GATT characteristics included in this service",
      "items": {
        "$ref": "#/$defs/GattCharacteristic"
      }
    }
  },
  "required": ["uuid", "name"],
  "$defs": {
    "GattCharacteristic": {
      "type": "object",
      "properties": {
        "uuid": { "type": "string" },
        "name": { "type": "string" },
        "properties": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": ["Read", "Write", "Write Without Response", "Notify", "Indicate", "Broadcast", "Extended Properties"]
          }
        },
        "format": { "type": "string", "description": "Data format descriptor" },
        "unit": { "type": "string", "description": "Unit of measurement (GATT unit UUID)" }
      }
    }
  }
}