'use client';
import * as React from 'react';
import { useRootTree } from '../../hooks/useRootTree';
import { useEventCallback, useMergedRefs } from '@fluentui/react-utilities';
import { useFlatTreeNavigation } from '../../hooks/useFlatTreeNavigation';
import { useSubtree } from '../../hooks/useSubtree';
import { ImmutableSet } from '../../utils/ImmutableSet';
import { ImmutableMap } from '../../utils/ImmutableMap';
import { SubtreeContext } from '../../contexts/subtreeContext';
export const useFlatTree_unstable = (props, ref)=>{
    'use no memo';
    const isRoot = React.useContext(SubtreeContext) === undefined;
    // as level is static, this doesn't break rule of hooks
    // and if this becomes an issue later on, this can be easily converted
    // eslint-disable-next-line react-hooks/rules-of-hooks
    return isRoot ? useRootFlatTree(props, ref) : useSubFlatTree(props, ref);
};
function useRootFlatTree(props, ref) {
    const navigation = useFlatTreeNavigation(props.navigationMode);
    return Object.assign(useRootTree({
        ...props,
        onNavigation: useEventCallback((event, data)=>{
            var _props_onNavigation;
            (_props_onNavigation = props.onNavigation) === null || _props_onNavigation === void 0 ? void 0 : _props_onNavigation.call(props, event, data);
            if (!event.isDefaultPrevented()) {
                navigation.navigate(data);
            }
        })
    }, useMergedRefs(ref, navigation.rootRef)), {
        treeType: 'flat',
        forceUpdateRovingTabIndex: navigation.forceUpdateRovingTabIndex
    });
}
function useSubFlatTree(props, ref) {
    if (process.env.NODE_ENV === 'development') {
        throw new Error(`@fluentui/react-tree [useFlatTree]:
Subtrees are not allowed in a FlatTree!
You cannot use a <FlatTree> component inside of another <FlatTree> nor a <Tree> component!`);
    }
    return {
        ...useSubtree(props, ref),
        // ------ defaultTreeContextValue
        level: 0,
        contextType: 'root',
        treeType: 'nested',
        selectionMode: 'none',
        openItems: ImmutableSet.empty,
        checkedItems: ImmutableMap.empty,
        requestTreeResponse: noop,
        forceUpdateRovingTabIndex: noop,
        appearance: 'subtle',
        size: 'medium',
        // ------ defaultTreeContextValue
        open: false
    };
}
function noop() {
/* do nothing */ }