import { useCallback, useEffect } from 'react';
import { useQueryParams } from '@strapi/admin/strapi-admin';

const parseFolderIdFromQuery = (folder)=>{
    if (!folder) {
        return null;
    }
    const id = Number(folder);
    return Number.isFinite(id) ? id : null;
};
const useFolderNavigation = ()=>{
    const [{ query }, setQuery] = useQueryParams();
    const currentFolderId = parseFolderIdFromQuery(query?.folder);
    const navigateToFolder = (folder)=>{
        setQuery({
            folder: String(folder.id)
        });
    };
    /**
   * Move to the Media Library root by removing the `folder` query param.
   * `setQuery(_, 'remove')` deletes the keys present on the first argument
   * (value is ignored), so any other query state (filters, pagination, etc.)
   * is preserved.
   */ const navigateToRoot = useCallback(()=>{
        setQuery({
            folder: ''
        }, 'remove');
    }, [
        setQuery
    ]);
    // Malformed ?folder= values (e.g. abc) parse as null; strip the param from the URL.
    // Deleted/missing folders (404) are handled in AssetsPage — that needs a fetch.
    useEffect(()=>{
        if (query?.folder && currentFolderId === null) {
            navigateToRoot();
        }
    }, [
        query?.folder,
        currentFolderId,
        navigateToRoot
    ]);
    /**
   * Convenience for the FolderTree sidebar: a single entry point that handles
   * both "go home" and "go to folder X" without forcing the caller to know
   * whether to call navigateToFolder or navigateToRoot.
   */ const navigateToFolderId = (folderId)=>{
        if (folderId == null) {
            navigateToRoot();
        } else {
            setQuery({
                folder: String(folderId)
            });
        }
    };
    return {
        currentFolderId,
        navigateToFolder,
        navigateToRoot,
        navigateToFolderId
    };
};

export { useFolderNavigation };
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