# -*- coding: utf-8 -*-
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#
#  $Id: svn_id $
#
#  High-level API for YSpectralChannel
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"""
Yoctopuce library: High-level API for YSpectralChannel
version: PATCH_WITH_VERSION
requires: yocto_spectralchannel_aio
requires: yocto_api
provides: YSpectralChannel
"""
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_spectralchannel_aio import YSpectralChannel as YSpectralChannel_aio
from .yocto_api import (
    YAPIContext, YAPI, YAPI_aio, YSensor, YMeasure
)

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

# noinspection PyProtectedMember
class YSpectralChannel(YSensor):
    """
    The YSpectralChannel class allows you to read and configure Yoctopuce spectral analysis channels.
    It inherits from YSensor class the core functions to read measurements,
    to register callback functions, and to access the autonomous datalogger.

    """
    _aio: YSpectralChannel_aio
    # --- (end of YSpectralChannel class start)
    if not _IS_MICROPYTHON:
        # --- (YSpectralChannel return codes)
        RAWCOUNT_INVALID: Final[int] = YAPI.INVALID_INT
        CHANNELNAME_INVALID: Final[str] = YAPI.INVALID_STRING
        PEAKWAVELENGTH_INVALID: Final[int] = YAPI.INVALID_INT
        # --- (end of YSpectralChannel return codes)


    # --- (YSpectralChannel implementation)

    @classmethod
    def FindSpectralChannel(cls, func: str) -> YSpectralChannel:
        """
        Retrieves a spectral analysis channel 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 spectral analysis channel is online at the time
        it is invoked. The returned object is nevertheless valid.
        Use the method YSpectralChannel.isOnline() to test if the spectral analysis channel is
        indeed online at a given time. In case of ambiguity when looking for
        a spectral analysis channel 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 spectral analysis channel, for instance
                MyDevice.spectralChannel1.

        @return a YSpectralChannel object allowing you to drive the spectral analysis channel.
        """
        return cls._proxy(cls, YSpectralChannel_aio.FindSpectralChannelInContext(YAPI_aio, func))

    @classmethod
    def FindSpectralChannelInContext(cls, yctx: YAPIContext, func: str) -> YSpectralChannel:
        """
        Retrieves a spectral analysis channel 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 spectral analysis channel is online at the time
        it is invoked. The returned object is nevertheless valid.
        Use the method YSpectralChannel.isOnline() to test if the spectral analysis channel is
        indeed online at a given time. In case of ambiguity when looking for
        a spectral analysis channel 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 spectral analysis channel, for instance
                MyDevice.spectralChannel1.

        @return a YSpectralChannel object allowing you to drive the spectral analysis channel.
        """
        return cls._proxy(cls, YSpectralChannel_aio.FindSpectralChannelInContext(yctx._aio, func))

    @classmethod
    def FirstSpectralChannel(cls) -> Union[YSpectralChannel, None]:
        """
        Starts the enumeration of spectral analysis channels currently accessible.
        Use the method YSpectralChannel.nextSpectralChannel() to iterate on
        next spectral analysis channels.

        @return a pointer to a YSpectralChannel object, corresponding to
                the first spectral analysis channel currently online, or a None pointer
                if there are none.
        """
        return cls._proxy(cls, YSpectralChannel_aio.FirstSpectralChannelInContext(YAPI_aio))

    @classmethod
    def FirstSpectralChannelInContext(cls, yctx: YAPIContext) -> Union[YSpectralChannel, None]:
        """
        Starts the enumeration of spectral analysis channels currently accessible.
        Use the method YSpectralChannel.nextSpectralChannel() to iterate on
        next spectral analysis channels.

        @param yctx : a YAPI context.

        @return a pointer to a YSpectralChannel object, corresponding to
                the first spectral analysis channel currently online, or a None pointer
                if there are none.
        """
        return cls._proxy(cls, YSpectralChannel_aio.FirstSpectralChannelInContext(yctx._aio))

    def nextSpectralChannel(self) -> Union[YSpectralChannel, None]:
        """
        Continues the enumeration of spectral analysis channels started using yFirstSpectralChannel().
        Caution: You can't make any assumption about the returned spectral analysis channels order.
        If you want to find a specific a spectral analysis channel, use SpectralChannel.findSpectralChannel()
        and a hardwareID or a logical name.

        @return a pointer to a YSpectralChannel object, corresponding to
                a spectral analysis channel currently online, or a None pointer
                if there are no more spectral analysis channels to enumerate.
        """
        return self._proxy(type(self), self._aio.nextSpectralChannel())

    if not _DYNAMIC_HELPERS:
        def get_rawCount(self) -> int:
            """
            Retrieves the raw spectral intensity value as measured by the sensor, without any scaling or calibration.

            @return an integer

            On failure, throws an exception or returns YSpectralChannel.RAWCOUNT_INVALID.
            """
            return self._run(self._aio.get_rawCount())

    if not _DYNAMIC_HELPERS:
        def get_channelName(self) -> str:
            """
            Returns the target spectral band name.

            @return a string corresponding to the target spectral band name

            On failure, throws an exception or returns YSpectralChannel.CHANNELNAME_INVALID.
            """
            return self._run(self._aio.get_channelName())

    if not _DYNAMIC_HELPERS:
        def get_peakWavelength(self) -> int:
            """
            Returns the target spectral band peak wavelength, in nm.

            @return an integer corresponding to the target spectral band peak wavelength, in nm

            On failure, throws an exception or returns YSpectralChannel.PEAKWAVELENGTH_INVALID.
            """
            return self._run(self._aio.get_peakWavelength())

    if not _IS_MICROPYTHON:
        def registerValueCallback(self, callback: YSpectralChannelValueCallback) -> int:
            """
            Registers the callback function that is invoked on every change of advertised value.
            The callback is called once when it is registered, passing the current advertised value
            of the function, provided that it is not an empty string.
            The callback is then 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: YSpectralChannelTimedReportCallback) -> 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 YSpectralChannel implementation)

