#pragma once

#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define INITIALISATION_VALUE 0.0f
#define AVG10S_SAMPLE_SIZE 10U
#define AVG60S_SAMPLE_SIZE 60U
#define AVG24H_SAMPLE_SIZE 24U
#define PRED60S_SAMPLE_SIZE 60U
#define DAMPING_FACTOR_WARMER 0.001f
#define DAMPING_FACTOR_COLDER 0.005f

typedef enum _BurnerErrorState
{
    NO_ERROR,
    FAULT
} eBurnerErrorState;

typedef enum _MeasurementErrorState
{
    MEASUREMENT_NO_ERROR,
    MEASUREMENT_FAULT
} eMeasurementErrorState;

typedef struct _Average
{
    float fValue;
    float samples[MAX(AVG10S_SAMPLE_SIZE, MAX(AVG60S_SAMPLE_SIZE, AVG24H_SAMPLE_SIZE))];
    size_t bufferIndex;
    size_t bufferCount;
} sAverage;

typedef struct _Predict
{
    float fValue;
    float samples[PRED60S_SAMPLE_SIZE];
    size_t bufferIndex;
    size_t bufferCount;
} sPredict;

typedef struct _Measurement
{
    float fCurrentValue;
    float fDampedValue;
    sAverage average10s;
    sAverage average60s;
    sPredict predict60s;
    eMeasurementErrorState state;
} sMeasurement;

void initInputs(void);
sMeasurement getChamberTemperature(void);
sMeasurement getOutdoorTemperature(void);
sMeasurement getInletFlowTemperature(void);
sMeasurement getReturnFlowTemperature(void);
eBurnerErrorState getBurnerError(void);