#ifndef HEALTH_MONITOR_H
#define HEALTH_MONITOR_H

#include <Arduino.h>
#include "config_manager.h"
#include "mqtt_client.h"
#include "acuvim_reader.h"
#include "acuvim_registers.h"

struct AlertThresholds {
    float overvoltage;
    float undervoltage;
    float overcurrent;
    float voltage_imbalance_pct;
    float current_imbalance_pct;
    float freq_low;
    float freq_high;
    float low_pf;
    float high_thd;
    uint8_t modbus_consecutive_errors;
    float modbus_error_rate_pct;
};

class HealthMonitor {
public:
    void begin(ConfigManager& config, MqttClient& mqtt, AcuvimReader& acuvim);
    void evaluate(const AcuvimData& data);

    void setThresholds(const AlertThresholds& t) { _thresholds = t; }
    const AlertThresholds& getThresholds() const { return _thresholds; }

private:
    ConfigManager* _config;
    MqttClient* _mqtt;
    AcuvimReader* _acuvim;

    AlertThresholds _thresholds;

    // Active alert flags for deduplication
    bool _alertOvervoltageA;
    bool _alertOvervoltageB;
    bool _alertOvervoltageC;
    bool _alertUndervoltageA;
    bool _alertUndervoltageB;
    bool _alertUndervoltageC;
    bool _alertOvercurrentA;
    bool _alertOvercurrentB;
    bool _alertOvercurrentC;
    bool _alertVoltageImbalance;
    bool _alertCurrentImbalance;
    bool _alertFreqDeviation;
    bool _alertLowPF;
    bool _alertHighTHD;
    bool _alertModbusLoss;
    bool _alertModbusErrorRate;

    void publishAlert(const char* alert, const char* severity,
                      const String& message, float value, float threshold,
                      const char* phase = nullptr);

    void checkVoltage(float value, const char* phase, bool& overFlag, bool& underFlag);
    void checkCurrent(float value, const char* phase, bool& flag);
};

#endif