// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT License.

'use strict';

import { inject, injectable } from 'inversify';

import { Terminal } from 'vscode';

import { ITerminalManager, IWorkspaceService } from '../common/application/types';

import { ITerminalActivator } from '../common/terminal/types';

import { IDisposable, IDisposableRegistry } from '../common/types';

import { ITerminalAutoActivation } from './types';

@injectable()

export class TerminalAutoActivation implements ITerminalAutoActivation {

private handler?: IDisposable;

constructor(

@inject(ITerminalManager) private readonly terminalManager: ITerminalManager,

@inject(IDisposableRegistry) disposableRegistry: IDisposableRegistry,

@inject(ITerminalActivator) private readonly activator: ITerminalActivator,

@inject(IWorkspaceService) private readonly workspaceService: IWorkspaceService

) {

disposableRegistry.push(this);

}

public dispose() {

if (this.handler) {

this.handler.dispose();

this.handler = undefined;

}

}

public register() {

if (this.handler) {

return;

}

this.handler = this.terminalManager.onDidOpenTerminal(this.activateTerminal, this);

}

private async activateTerminal(terminal: Terminal): Promise<void> {

// If we have just one workspace, then pass that as the resource.

// Until upstream VSC issue is resolved https://github.com/Microsoft/vscode/issues/63052.

const workspaceFolder =

this.workspaceService.hasWorkspaceFolders && this.workspaceService.workspaceFolders!.length > 0

? this.workspaceService.workspaceFolders![0].uri

: undefined;

await this.activator.activateEnvironmentInTerminal(terminal, workspaceFolder);

}

}