import * as React from 'react';
import {ConditionFunc} from './Node';
import {IconName} from '@unidata/icon';

type NodeKey = string;

export interface ITreeNode<T = {[key: string]: any}> {
    key: NodeKey; // member key
    expanded: boolean; // the flag is folded/deployed
    parent?: ITreeNode<T>; // the parent node
    children: Array<ITreeNode<T>> | null; // descendants
    row: T; // data to display
    path?: string; // path to the element todo Brauer Ilya as keys array from root
    type?: string; // todo Brauer Ilya what it is?
    icon?: IconName;
    root?: boolean; // is the node the parent node
    iconCls?: string;
    disabled?: boolean; // flag for displaying the node as " disabled"
    selected?: boolean; // flag for displaying the node as " selected"

    isEdited?: boolean | ConditionFunc<T>; // flag to show that cell is edited now

    //todo Brauer Ilya: for what?
    readOnly?: boolean;

    isLastInLevel?: boolean; // is node last in level
}


export interface ITreeColumn<T = any> {
    name: string;
    displayName: string;
    renderer?: (node: ITreeNode<T>) => React.ReactNode;
}

export interface IFlatListItem<T> {
    nodeId: string;
    path?: string;
    name: string;
    parentId: string | null;
    model: T;
}