import * as React from 'react';
import { useFieldControlProps_unstable } from '@fluentui/react-field';
import { CircleFilled } from '@fluentui/react-icons';
import { Label } from '@fluentui/react-label';
import { useFocusWithin } from '@fluentui/react-tabster';
import { getPartitionedNativeProps, mergeCallbacks, useId, slot } from '@fluentui/react-utilities';
/**
 * Create the state required to render Switch.
 *
 * The returned state can be modified with hooks such as useSwitchStyles_unstable,
 * before being passed to renderSwitch_unstable.
 *
 * @param props - props from this instance of Switch
 * @param ref - reference to `<input>` element of Switch
 */ export const useSwitch_unstable = (props, ref)=>{
    // Merge props from surrounding <Field>, if any
    props = useFieldControlProps_unstable(props, {
        supportsLabelFor: true,
        supportsRequired: true
    });
    const { checked, defaultChecked, disabled, labelPosition = 'after', onChange, required } = props;
    const nativeProps = getPartitionedNativeProps({
        props,
        primarySlotTagName: 'input',
        excludedPropNames: [
            'checked',
            'defaultChecked',
            'onChange'
        ]
    });
    const id = useId('switch-', nativeProps.primary.id);
    const root = slot.always(props.root, {
        defaultProps: {
            ref: useFocusWithin(),
            ...nativeProps.root
        },
        elementType: 'div'
    });
    const indicator = slot.always(props.indicator, {
        defaultProps: {
            'aria-hidden': true,
            children: /*#__PURE__*/ React.createElement(CircleFilled, null)
        },
        elementType: 'div'
    });
    const input = slot.always(props.input, {
        defaultProps: {
            checked,
            defaultChecked,
            id,
            ref,
            role: 'switch',
            type: 'checkbox',
            ...nativeProps.primary
        },
        elementType: 'input'
    });
    input.onChange = mergeCallbacks(input.onChange, (ev)=>onChange === null || onChange === void 0 ? void 0 : onChange(ev, {
            checked: ev.currentTarget.checked
        }));
    const label = slot.optional(props.label, {
        defaultProps: {
            disabled,
            htmlFor: id,
            required,
            size: 'medium'
        },
        elementType: Label
    });
    return {
        labelPosition,
        components: {
            root: 'div',
            indicator: 'div',
            input: 'input',
            label: Label
        },
        root,
        indicator,
        input,
        label
    };
};