#ifndef GSM_MANAGER_H
#define GSM_MANAGER_H

#include <Arduino.h>
#include <TinyGsmClient.h>
#include "pin_config.h"

class GsmManager {
public:
    GsmManager(HardwareSerial& serial);

    bool begin();
    bool connect(const char* apn, const char* user = "", const char* pass = "");
    void disconnect();
    bool isConnected();
    void powerOff();
    void restart();

    int getSignalQuality();
    int getSignalPercent();
    String getOperator();
    String getIMEI();
    String getICCID();
    bool isSimInserted();
    bool isModemAvailable() { return _modemReady; }

    TinyGsmClient& getClient() { return _gsmClient; }

private:
    HardwareSerial& _serial;
    TinyGsm _modem;
    TinyGsmClient _gsmClient;
    bool _modemReady;

    void powerOnModem();
    void powerOffModem();
    bool waitForNetwork(uint32_t timeoutMs = 60000);
};

#endif