#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEServer.h>

// UUIDs generated at https://www.uuidgenerator.net/
#define SERVICE_UUID        "4fafc201-1fb5-459e-8fcc-c5c9c331914b"
#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"

void setup() {
  Serial.begin(115200);
  Serial.println("Starting BLE server...");

  BLEDevice::init("XIAO_ESP32S3_FAB");
  BLEServer *pServer = BLEDevice::createServer();
  BLEService *pService = pServer->createService(SERVICE_UUID);

  BLECharacteristic *pCharacteristic = pService->createCharacteristic(
    CHARACTERISTIC_UUID,
    BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE
  );

  pCharacteristic->setValue("Hello from Fab Lab Leon!");
  pService->start();

  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
  pAdvertising->addServiceUUID(SERVICE_UUID);
  pAdvertising->setScanResponse(true);
  pAdvertising->setMinPreferred(0x06);
  pAdvertising->setMaxPreferred(0x12);
  BLEDevice::startAdvertising();

  Serial.println("BLE advertising. Connect with nRF Connect and read the characteristic.");
}

void loop() {
  delay(2000);
}