WordClockESP/lib/framework/NTPSettingsService.h

#ifndef NTPSettingsService_h
#define NTPSettingsService_h

#include <AdminSettingsService.h>

#include <NtpClientLib.h>
#include <TimeLib.h>

// default time server
#define NTP_SETTINGS_SERVICE_DEFAULT_SERVER "pool.ntp.org"
#define NTP_SETTINGS_SERVICE_DEFAULT_INTERVAL 3600

// min poll delay of 60 secs, max 1 day
#define NTP_SETTINGS_MIN_INTERVAL 60
#define NTP_SETTINGS_MAX_INTERVAL 86400

#define NTP_SETTINGS_FILE "/config/ntpSettings.json"
#define NTP_SETTINGS_SERVICE_PATH "/rest/ntpSettings"

class NTPSettingsService : public AdminSettingsService {
 public:
  NTPSettingsService(AsyncWebServer* server, FS* fs, SecurityManager* securityManager);
  ~NTPSettingsService();

  void loop();

 protected:
  void readFromJsonObject(JsonObject& root);
  void writeToJsonObject(JsonObject& root);
  void onConfigUpdated();

 private:
  String _server;
  int _interval;

  bool _reconfigureNTP = false;
  bool _syncEventTriggered = false;
  NTPSyncEvent_t _ntpEvent;

#ifdef ESP32
  void onStationModeGotIP(WiFiEvent_t event, WiFiEventInfo_t info);
  void onStationModeDisconnected(WiFiEvent_t event, WiFiEventInfo_t info);
#elif defined(ESP8266)
  WiFiEventHandler _onStationModeDisconnectedHandler;
  WiFiEventHandler _onStationModeGotIPHandler;

  void onStationModeGotIP(const WiFiEventStationModeGotIP& event);
  void onStationModeDisconnected(const WiFiEventStationModeDisconnected& event);
#endif

  void configureNTP();
  void processSyncEvent(NTPSyncEvent_t ntpEvent);
};

#endif  // end NTPSettingsService_h