#include "BluetoothSerial.h"
#include "HardwareSerial.h"
#include "mString.h"

/* Check the ESP configuration */
#if not defined(CONFIG_BT_ENABLED) || not defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif


#if not defined(CONFIG_BT_SPP_ENABLED)
#error Serial Port Profile for Bluetooth is not available or not enabled. It is only available for the ESP32 chip.
#endif


#if not defined(CONFIG_BT_SSP_ENABLED)
#error Simple Secure Pairing for Bluetooth is not available or not enabled.
#endif
/* ************************* */

typedef std::function<void(esp_bd_addr_t bt_addr)> DeviceConnectedCb;

class BluetoothDispatcher {
  public:
    BluetoothDispatcher(BluetoothSerial *controller, const char *device_name = "Helicopter", HardwareSerial *serial = &Serial);
    bool initialize();
    void tick();
    ~BluetoothDispatcher();

  private:
    void _confirmRequestCallback(uint16_t pin);
    void _authCompleteCallback(boolean success);
    void _deviceConnectedCallback(esp_bd_addr_t bt_addr);

    const char *_device_name = nullptr;
    bool _confirmRequestDone = false;
    BluetoothSerial *_controller = nullptr;
    HardwareSerial *_serial = nullptr;
    static constexpr uint16_t _buffer_size = 256;
    mString<_buffer_size> _buffer;
};