from dataclasses import dataclass


@dataclass(frozen=True)
class PowerMeterReadings:
    active_power_w: float
    rms_current_a: float
    voltage_v: float
    frequency_hz: float
    power_factor: float
    annual_power_consumption_kwh: float
    active_consumption_kwh: float
    reactive_consumption_kwh: float
    load_time_hours: float
    work_hours_per_day: int
    device_address: int

    apparent_power_vi_va: float
    apparent_power_pf_va: float
    reactive_power_var: float
    apparent_consumption_kvah: float