import * as React from 'react';
import TreeView from '@mui/lab/TreeView';
import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
import ChevronRightIcon from '@mui/icons-material/ChevronRight';
import TreeItem from '@mui/lab/TreeItem';
import {useRouter} from 'next/router'
import {styled} from '@mui/material/styles';

const TCTreeItem = styled(TreeItem)(({theme}) => ({
    '& .MuiTreeItem-content': {
        '& .MuiTreeItem-label': {
            fontSize: '1rem',
            paddingLeft: '6px',
            fontFamily: '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif,',
            lineHeight: 2.0,
        },
    },
}))


export default function FolderTree(props) {
    const renderTree = (nodes) => (
        <TCTreeItem key={nodes.id} nodeId={nodes.id} label={nodes.name}>
            {Array.isArray(nodes.children)
                ? nodes.children.map((node) => renderTree(node))
                : null}
        </TCTreeItem>
    );

    const router = useRouter()
    // const childrenNodeIds = props.tree.children.map(aNode => {return aNode.id})
    const expandedNodes = [props.tree.id]
    return (
        <TreeView
            aria-label="rich object"
            defaultCollapseIcon={<ExpandMoreIcon/>}
            defaultExpanded={expandedNodes}
            defaultExpandIcon={<ChevronRightIcon/>}
            onNodeSelect={(event, nodIds) => {
                const currentNode = props.flattenNodes.find(aNode => {
                    return aNode.id === nodIds
                })
                // console.log(event)
                // console.log(currentNode)
                if (currentNode != null && currentNode.routePath != null) {
                    router.push(currentNode.routePath)
                    // router.reload()
                }
            }}
            sx={{flexGrow: 1, maxWidth: 400, overflowY: 'auto'}}
        >
            {renderTree(props.tree)}
        </TreeView>
    );
}