# -*- coding: utf-8 -*-
# ********************************************************************
#
#  $Id: svn_id $
#
#  High-level API for YCurrent
#
#  - - - - - - - - - License information: - - - - - - - - -
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"""
Yoctopuce library: High-level API for YCurrent
version: PATCH_WITH_VERSION
requires: yocto_current_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_current_aio import YCurrent as YCurrent_aio
from .yocto_api import (
    YAPIContext, YAPI, YSensor, YMeasure
)

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

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

    """
    _aio: YCurrent_aio
    # --- (end of YCurrent class start)
    if not _IS_MICROPYTHON:
        # --- (YCurrent return codes)
        ENABLED_FALSE: Final[int] = 0
        ENABLED_TRUE: Final[int] = 1
        ENABLED_INVALID: Final[int] = -1
        # --- (end of YCurrent return codes)


    # --- (YCurrent implementation)

    @classmethod
    def FirstCurrent(cls) -> Union[YCurrent, None]:
        """
        Starts the enumeration of current sensors currently accessible.
        Use the method YCurrent.nextCurrent() to iterate on
        next current sensors.

        @return a pointer to a YCurrent object, corresponding to
                the first current sensor currently online, or a None pointer
                if there are none.
        """
        return cls._proxy(cls, YCurrent_aio.FirstCurrent())

    @classmethod
    def FirstCurrentInContext(cls, yctx: YAPIContext) -> Union[YCurrent, None]:
        """
        Starts the enumeration of current sensors currently accessible.
        Use the method YCurrent.nextCurrent() to iterate on
        next current sensors.

        @param yctx : a YAPI context.

        @return a pointer to a YCurrent object, corresponding to
                the first current sensor currently online, or a None pointer
                if there are none.
        """
        return cls._proxy(cls, YCurrent_aio.FirstCurrentInContext(yctx))

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

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

    if not _DYNAMIC_HELPERS:
        def get_enabled(self) -> int:
            """
            Returns the activation state of this input.

            @return either YCurrent.ENABLED_FALSE or YCurrent.ENABLED_TRUE, according to the activation state of this input

            On failure, throws an exception or returns YCurrent.ENABLED_INVALID.
            """
            return self._run(self._aio.get_enabled())

    if not _DYNAMIC_HELPERS:
        def set_enabled(self, newval: int) -> int:
            """
            Changes the activation state of this voltage input. When AC measurements are disabled,
            the device will always assume a DC signal, and vice-versa. When both AC and DC measurements
            are active, the device switches between AC and DC mode based on the relative amplitude
            of variations compared to the average value.
            Remember to call the saveToFlash()
            method of the module if the modification must be kept.

            @param newval : either YCurrent.ENABLED_FALSE or YCurrent.ENABLED_TRUE, according to the activation
            state of this voltage input

            @return YAPI.SUCCESS if the call succeeds.

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

    @classmethod
    def FindCurrent(cls, func: str) -> YCurrent:
        """
        Retrieves a current 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 current sensor is online at the time
        it is invoked. The returned object is nevertheless valid.
        Use the method YCurrent.isOnline() to test if the current sensor is
        indeed online at a given time. In case of ambiguity when looking for
        a current 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 current sensor, for instance
                YAMPMK01.current1.

        @return a YCurrent object allowing you to drive the current sensor.
        """
        return cls._proxy(cls, YCurrent_aio.FindCurrent(func))

    @classmethod
    def FindCurrentInContext(cls, yctx: YAPIContext, func: str) -> YCurrent:
        """
        Retrieves a current 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 current sensor is online at the time
        it is invoked. The returned object is nevertheless valid.
        Use the method YCurrent.isOnline() to test if the current sensor is
        indeed online at a given time. In case of ambiguity when looking for
        a current 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 current sensor, for instance
                YAMPMK01.current1.

        @return a YCurrent object allowing you to drive the current sensor.
        """
        return cls._proxy(cls, YCurrent_aio.FindCurrentInContext(yctx, func))

    if not _IS_MICROPYTHON:
        def registerValueCallback(self, callback: YCurrentValueCallback) -> 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: YCurrentTimedReportCallback) -> 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 YCurrent implementation)

