# -*- coding: utf-8 -*-
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#
#  $Id: svn_id $
#
#  High-level API for YHumidity
#
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"""
Yoctopuce library: High-level API for YHumidity
version: PATCH_WITH_VERSION
requires: yocto_humidity_aio
requires: yocto_api
"""
from __future__ import annotations

import sys

# On MicroPython, code below will be wiped out at compile time
if sys.implementation.name != "micropython":
    # In CPython, enable edit-time type checking, including Final declaration
    from typing import Any, Union, Final
    from collections.abc import Callable, Awaitable
    const = lambda obj: obj
    _IS_MICROPYTHON = False
    _DYNAMIC_HELPERS = False
else:
    # In our micropython VM, common generic types are global built-ins
    # Others such as TypeVar should be avoided when using micropython,
    # as they produce overhead in runtime code
    # Final is translated into const() expressions before compilation
    _IS_MICROPYTHON: Final[bool] = True # noqa
    _DYNAMIC_HELPERS: Final[bool] = True # noqa

from .yocto_humidity_aio import YHumidity as YHumidity_aio
from .yocto_api import (
    YAPIContext, YAPI, YSensor, YMeasure
)

# --- (YHumidity class start)
if not _IS_MICROPYTHON:
    # For CPython, use strongly typed callback types
    try:
        YHumidityValueCallback = Union[Callable[['YHumidity', str], Any], None]
        YHumidityTimedReportCallback = Union[Callable[['YHumidity', YMeasure], Any], None]
    except TypeError:
        YHumidityValueCallback = Union[Callable, Awaitable]
        YHumidityTimedReportCallback = Union[Callable, Awaitable]

# noinspection PyProtectedMember
class YHumidity(YSensor):
    """
    The YHumidity class allows you to read and configure Yoctopuce humidity sensors.
    It inherits from YSensor class the core functions to read measures,
    to register callback functions, and to access the autonomous datalogger.

    """
    _aio: YHumidity_aio
    # --- (end of YHumidity class start)
    if not _IS_MICROPYTHON:
        # --- (YHumidity return codes)
        RELHUM_INVALID: Final[float] = YAPI.INVALID_DOUBLE
        ABSHUM_INVALID: Final[float] = YAPI.INVALID_DOUBLE
        # --- (end of YHumidity return codes)


    # --- (YHumidity implementation)

    @classmethod
    def FirstHumidity(cls) -> Union[YHumidity, None]:
        """
        Starts the enumeration of humidity sensors currently accessible.
        Use the method YHumidity.nextHumidity() to iterate on
        next humidity sensors.

        @return a pointer to a YHumidity object, corresponding to
                the first humidity sensor currently online, or a None pointer
                if there are none.
        """
        return cls._proxy(cls, YHumidity_aio.FirstHumidity())

    @classmethod
    def FirstHumidityInContext(cls, yctx: YAPIContext) -> Union[YHumidity, None]:
        """
        Starts the enumeration of humidity sensors currently accessible.
        Use the method YHumidity.nextHumidity() to iterate on
        next humidity sensors.

        @param yctx : a YAPI context.

        @return a pointer to a YHumidity object, corresponding to
                the first humidity sensor currently online, or a None pointer
                if there are none.
        """
        return cls._proxy(cls, YHumidity_aio.FirstHumidityInContext(yctx))

    def nextHumidity(self):
        """
        Continues the enumeration of humidity sensors started using yFirstHumidity().
        Caution: You can't make any assumption about the returned humidity sensors order.
        If you want to find a specific a humidity sensor, use Humidity.findHumidity()
        and a hardwareID or a logical name.

        @return a pointer to a YHumidity object, corresponding to
                a humidity sensor currently online, or a None pointer
                if there are no more humidity sensors to enumerate.
        """
        return self._proxy(type(self), self._aio.nextHumidity())

    if not _DYNAMIC_HELPERS:
        def set_unit(self, newval: str) -> int:
            """
            Changes the primary unit for measuring humidity. That unit is a string.
            If that strings starts with the letter 'g', the primary measured value is the absolute
            humidity, in g/m3. Otherwise, the primary measured value will be the relative humidity
            (RH), in per cents.

            Remember to call the saveToFlash() method of the module if the modification
            must be kept.

            @param newval : a string corresponding to the primary unit for measuring humidity

            @return YAPI.SUCCESS if the call succeeds.

            On failure, throws an exception or returns a negative error code.
            """
            return self._run(self._aio.set_unit(newval))

    if not _DYNAMIC_HELPERS:
        def get_relHum(self) -> float:
            """
            Returns the current relative humidity, in per cents.

            @return a floating point number corresponding to the current relative humidity, in per cents

            On failure, throws an exception or returns YHumidity.RELHUM_INVALID.
            """
            return self._run(self._aio.get_relHum())

    if not _DYNAMIC_HELPERS:
        def get_absHum(self) -> float:
            """
            Returns the current absolute humidity, in grams per cubic meter of air.

            @return a floating point number corresponding to the current absolute humidity, in grams per cubic meter of air

            On failure, throws an exception or returns YHumidity.ABSHUM_INVALID.
            """
            return self._run(self._aio.get_absHum())

    @classmethod
    def FindHumidity(cls, func: str) -> YHumidity:
        """
        Retrieves a humidity sensor for a given identifier.
        The identifier can be specified using several formats:

        - FunctionLogicalName
        - ModuleSerialNumber.FunctionIdentifier
        - ModuleSerialNumber.FunctionLogicalName
        - ModuleLogicalName.FunctionIdentifier
        - ModuleLogicalName.FunctionLogicalName


        This function does not require that the humidity sensor is online at the time
        it is invoked. The returned object is nevertheless valid.
        Use the method YHumidity.isOnline() to test if the humidity sensor is
        indeed online at a given time. In case of ambiguity when looking for
        a humidity sensor by logical name, no error is notified: the first instance
        found is returned. The search is performed first by hardware name,
        then by logical name.

        If a call to this object's is_online() method returns FALSE although
        you are certain that the matching device is plugged, make sure that you did
        call registerHub() at application initialization time.

        @param func : a string that uniquely characterizes the humidity sensor, for instance
                YCO2MK02.humidity.

        @return a YHumidity object allowing you to drive the humidity sensor.
        """
        return cls._proxy(cls, YHumidity_aio.FindHumidity(func))

    @classmethod
    def FindHumidityInContext(cls, yctx: YAPIContext, func: str) -> YHumidity:
        """
        Retrieves a humidity sensor for a given identifier in a YAPI context.
        The identifier can be specified using several formats:

        - FunctionLogicalName
        - ModuleSerialNumber.FunctionIdentifier
        - ModuleSerialNumber.FunctionLogicalName
        - ModuleLogicalName.FunctionIdentifier
        - ModuleLogicalName.FunctionLogicalName


        This function does not require that the humidity sensor is online at the time
        it is invoked. The returned object is nevertheless valid.
        Use the method YHumidity.isOnline() to test if the humidity sensor is
        indeed online at a given time. In case of ambiguity when looking for
        a humidity sensor by logical name, no error is notified: the first instance
        found is returned. The search is performed first by hardware name,
        then by logical name.

        @param yctx : a YAPI context
        @param func : a string that uniquely characterizes the humidity sensor, for instance
                YCO2MK02.humidity.

        @return a YHumidity object allowing you to drive the humidity sensor.
        """
        return cls._proxy(cls, YHumidity_aio.FindHumidityInContext(yctx, func))

    if not _IS_MICROPYTHON:
        def registerValueCallback(self, callback: YHumidityValueCallback) -> int:
            """
            Registers the callback function that is invoked on every change of advertised value.
            The callback is invoked only during the execution of ySleep or yHandleEvents.
            This provides control over the time when the callback is triggered. For good responsiveness, remember to call
            one of these two functions periodically. To unregister a callback, pass a None pointer as argument.

            @param callback : the callback function to call, or a None pointer. The callback function should take two
                    arguments: the function object of which the value has changed, and the character string describing
                    the new advertised value.
            @noreturn
            """
            return super().registerValueCallback(callback)

    if not _IS_MICROPYTHON:
        def registerTimedReportCallback(self, callback: YHumidityTimedReportCallback) -> int:
            """
            Registers the callback function that is invoked on every periodic timed notification.
            The callback is invoked only during the execution of ySleep or yHandleEvents.
            This provides control over the time when the callback is triggered. For good responsiveness, remember to call
            one of these two functions periodically. To unregister a callback, pass a None pointer as argument.

            @param callback : the callback function to call, or a None pointer. The callback function should take two
                    arguments: the function object of which the value has changed, and an YMeasure object describing
                    the new advertised value.
            @noreturn
            """
            return super().registerTimedReportCallback(callback)

    # --- (end of YHumidity implementation)

