'use client';
import * as React from 'react';
import { getIntrinsicElementProps, useMergedRefs, slot } from '@fluentui/react-utilities';
import { useCardContext_unstable } from '../Card/CardContext';
import { cardPreviewClassNames } from './useCardPreviewStyles.styles';
/**
 * Create the state required to render CardPreview.
 *
 * The returned state can be modified with hooks such as useCardPreviewStyles_unstable,
 * before being passed to renderCardPreview_unstable.
 *
 * @param props - props from this instance of CardPreview
 * @param ref - reference to root HTMLElement of CardPreview
 */ export const useCardPreview_unstable = (props, ref)=>{
    return useCardPreviewBase_unstable(props, ref);
};
/**
 * Base hook for CardPreview component, which manages state related to slots structure
 * and the card's selectable accessibility label.
 * Note: CardPreview has no design props, so this is equivalent to useCardPreview_unstable.
 *
 * @param props - props from this instance of CardPreview
 * @param ref - reference to root HTMLElement of CardPreview
 */ export const useCardPreviewBase_unstable = (props, ref)=>{
    const { logo } = props;
    const { selectableA11yProps: { referenceLabel, referenceId, setReferenceLabel, setReferenceId } } = useCardContext_unstable();
    // FIXME:
    // `ref` is wrongly assigned to be `HTMLElement` instead of `HTMLDivElement`
    // but since it would be a breaking change to fix it, we are casting ref to it's proper type
    const previewRef = useMergedRefs(ref, React.useRef(null));
    React.useEffect(()=>{
        if (referenceLabel && referenceId) {
            return;
        }
        if (previewRef.current && previewRef.current.parentNode) {
            const img = previewRef.current.parentNode.querySelector(`.${cardPreviewClassNames.root} > img`);
            if (img) {
                const ariaLabel = img.getAttribute('aria-label');
                const ariaDescribedby = img.getAttribute('aria-describedby');
                if (ariaDescribedby) {
                    setReferenceId(ariaDescribedby);
                } else if (img.alt) {
                    setReferenceLabel(img.alt);
                } else if (ariaLabel) {
                    setReferenceLabel(ariaLabel);
                }
            }
        }
    }, [
        setReferenceLabel,
        referenceLabel,
        previewRef,
        referenceId,
        setReferenceId
    ]);
    return {
        components: {
            root: 'div',
            logo: 'div'
        },
        root: slot.always(getIntrinsicElementProps('div', {
            ref: previewRef,
            ...props
        }), {
            elementType: 'div'
        }),
        logo: slot.optional(logo, {
            elementType: 'div'
        })
    };
};