/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
import { Uri } from "vscode";
import { RhamtConfiguration } from 'raas-core';

export declare class RhamtTreeDataProvider implements vscode.TreeDataProvider<IRhamtNode>, vscode.Disposable {
    public static readonly subscriptionContextValue: string;
    public onDidChangeTreeData: vscode.Event<IRhamtNode>;
    public onNodeCreate: vscode.Event<IRhamtNode>;
    constructor(resourceProvider: IChildProvider, loadMoreCommandId: string, rootTreeItems?: IRhamtParentTreeItem[]);
    public getTreeItem(node: IRhamtNode): vscode.TreeItem;
    public getChildren(node?: IRhamtParentNode): Promise<IRhamtNode[]>;
    public refresh(node?: IRhamtNode, clearCache?: boolean): Promise<void>;
    public loadMore(node: IRhamtNode): Promise<void>;
    public findNode(id: string): Promise<IRhamtNode | undefined>;
    public dispose(): void;
}

export interface IRhamtNode<T extends IRhamtTreeItem = IRhamtTreeItem> {
    readonly id: string;
    readonly treeItem: T;
    readonly parent?: IRhamtParentNode;
    readonly treeDataProvider: RhamtTreeDataProvider;
    refresh(): Promise<void>;
    deleteNode(): Promise<void>;
    run(description: string, callback: () => Promise<void>): Promise<void>;
}

export interface IRhamtParentNode<T extends IRhamtTreeItem = IRhamtTreeItem> extends IRhamtNode<T> {
    createChild(userOptions?: any): Promise<IRhamtNode>;
    getCachedChildren(): Promise<IRhamtNode[]>;
}

export interface IRhamtTreeItem {
    id?: string;
    label: string;
    description?: string;
    iconPath?: string | Uri | { light: string | Uri; dark: string | Uri };
    commandId?: string;
    contextValue: string;
    deleteTreeItem?(node: IRhamtNode): Promise<void>;
    refreshLabel?(node: IRhamtNode): Promise<void>;
    isAncestorOf?(contextValue: string): boolean;
}

export interface IChildProvider {
    readonly childTypeLabel?: string;
    loadMoreChildren(node: IRhamtNode, clearCache: boolean): Promise<IRhamtTreeItem[]>;
    hasMoreChildren(): boolean;
    createChild?(node: IRhamtNode, showCreatingNode: (label: string) => void, userOptions?: any): Promise<IRhamtTreeItem>;
    compareChildren?(node1: IRhamtNode, node2: IRhamtNode): number;
}

export interface IRhamtParentTreeItem extends IRhamtTreeItem, IChildProvider {
    pickTreeItem?(expectedContextValue: string): IRhamtTreeItem | undefined;
}