#ifndef ACUVIM_READER_H
#define ACUVIM_READER_H

#include <Arduino.h>
#include <ModbusMaster.h>
#include "acuvim_registers.h"
#include "pin_config.h"

class AcuvimReader {
public:
    bool begin(uint8_t slaveAddress = MODBUS_SLAVE_ADDR_DEFAULT,
               uint32_t baudRate = RS485_BAUD_DEFAULT);

    bool readAll(AcuvimData& data);
    bool readMetering(AcuvimData& data);
    bool readEnergy(AcuvimData& data);
    bool readDemand(AcuvimData& data);
    bool readTHD(AcuvimData& data);

    uint32_t getSuccessCount() const { return _successCount; }
    uint32_t getErrorCount() const { return _errorCount; }
    uint8_t getLastError() const { return _lastError; }
    uint32_t getLastReadDurationMs() const { return _lastReadDurationMs; }
    uint32_t getConsecutiveErrors() const { return _consecutiveErrors; }

private:
    ModbusMaster _modbus;
    uint8_t _slaveAddr;
    uint32_t _successCount;
    uint32_t _errorCount;
    uint8_t _lastError;
    uint32_t _lastReadDurationMs;
    uint32_t _consecutiveErrors;

    float parseFloat32(uint16_t hiReg, uint16_t loReg);
    uint8_t readRegistersWithRetry(uint16_t startReg, uint16_t count);

    static void preTransmission();
    static void postTransmission();
};

#endif