#include "chip_temperature_sensor.h"

#include "chip_temperature.h"

namespace kvida {

void ChipTemperatureSensor::begin()
{
    drivers::chip_temperature_init();
}

bool ChipTemperatureSensor::fetch()
{
    float celsius = drivers::chip_temperature_read_celsius();

    // Convert to the fixed-point convention (val1 + val2 * 1e-6) once, at
    // the boundary where the underlying driver hands us a float --
    // ESP32-C6 has no hardware FPU, see sensor.h.
    auto val1 = static_cast<int32_t>(celsius);
    auto val2 = static_cast<int32_t>((celsius - static_cast<float>(val1)) * 1000000.0f);

    last_ = SensorValue{val1, val2, "C", 0};
    fetched_ = true;
    return true;
}

bool ChipTemperatureSensor::get(SensorChannel channel, SensorValue &out)
{
    if (!fetched_ || channel != SensorChannel::ChipTemperature) {
        return false;
    }
    out = last_;
    return true;
}

} // namespace kvida