'use client';
import * as React from 'react';
import { getIntrinsicElementProps, useId, slot } from '@fluentui/react-utilities';
import { useCardContext_unstable } from '../Card/CardContext';
import { cardHeaderClassNames } from './useCardHeaderStyles.styles';
/**
 * Finds the first child of CardHeader with an id prop.
 *
 * @param header - the header prop of CardHeader
 */ function getChildWithId(header) {
    function isReactElementWithIdProp(element) {
        return React.isValidElement(element) && Boolean(element.props.id);
    }
    return React.Children.toArray(header).find(isReactElementWithIdProp);
}
/**
 * Returns the id to use for the CardHeader root element.
 *
 * @param headerId - the id prop of the CardHeader component
 * @param childWithId - the first child of the CardHeader component with an id prop
 * @param generatedId - a generated id
 *
 * @returns the id to use for the CardHeader root element
 */ function getReferenceId(headerId, childWithId, generatedId) {
    if (headerId) {
        return headerId;
    }
    if (childWithId === null || childWithId === void 0 ? void 0 : childWithId.props.id) {
        return childWithId.props.id;
    }
    return generatedId;
}
/**
 * Create the state required to render CardHeader.
 *
 * The returned state can be modified with hooks such as useCardHeaderStyles_unstable,
 * before being passed to renderCardHeader_unstable.
 *
 * @param props - props from this instance of CardHeader
 * @param ref - reference to root HTMLElement of CardHeader
 */ export const useCardHeader_unstable = (props, ref)=>{
    return useCardHeaderBase_unstable(props, ref);
};
/**
 * Base hook for CardHeader component, which manages state related to slots structure
 * and the card's selectable accessibility properties.
 * Note: CardHeader has no design props, so this is equivalent to useCardHeader_unstable.
 *
 * @param props - props from this instance of CardHeader
 * @param ref - reference to root HTMLElement of CardHeader
 */ export const useCardHeaderBase_unstable = (props, ref)=>{
    const { image, header, description, action } = props;
    const { selectableA11yProps: { referenceId, setReferenceId } } = useCardContext_unstable();
    const headerRef = React.useRef(null);
    const hasChildId = React.useRef(false);
    const generatedId = useId(cardHeaderClassNames.header, referenceId);
    const headerSlot = slot.optional(header, {
        renderByDefault: true,
        defaultProps: {
            ref: headerRef,
            id: !hasChildId.current ? referenceId : undefined
        },
        elementType: 'div'
    });
    React.useEffect(()=>{
        var _headerRef_current;
        const headerId = !hasChildId.current ? (_headerRef_current = headerRef.current) === null || _headerRef_current === void 0 ? void 0 : _headerRef_current.id : undefined;
        const childWithId = getChildWithId(headerSlot === null || headerSlot === void 0 ? void 0 : headerSlot.children);
        hasChildId.current = Boolean(childWithId);
        setReferenceId(getReferenceId(headerId, childWithId, generatedId));
    }, [
        generatedId,
        header,
        headerSlot,
        setReferenceId
    ]);
    return {
        components: {
            root: 'div',
            image: 'div',
            header: 'div',
            description: 'div',
            action: 'div'
        },
        root: slot.always(getIntrinsicElementProps('div', {
            // 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
            ref: ref,
            ...props
        }), {
            elementType: 'div'
        }),
        image: slot.optional(image, {
            elementType: 'div'
        }),
        header: headerSlot,
        description: slot.optional(description, {
            elementType: 'div'
        }),
        action: slot.optional(action, {
            elementType: 'div'
        })
    };
};