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

// Licensed under the MIT License.

import { inject, injectable } from 'inversify';

import { Uri } from 'vscode';

import { IServiceContainer } from '../../ioc/types';

import { IWorkspaceService } from '../application/types';

import { TerminalService } from './service';

import { ITerminalService, ITerminalServiceFactory } from './types';

@injectable()

export class TerminalServiceFactory implements ITerminalServiceFactory {

private terminalServices: Map<string, ITerminalService>;

constructor(@inject(IServiceContainer) private serviceContainer: IServiceContainer) {

this.terminalServices = new Map<string, ITerminalService>();

}

public getTerminalService(resource?: Uri, title?: string): ITerminalService {

const terminalTitle = typeof title === 'string' && title.trim().length > 0 ? title.trim() : 'Python';

const id = this.getTerminalId(terminalTitle, resource);

if (!this.terminalServices.has(id)) {

const terminalService = new TerminalService(this.serviceContainer, resource, terminalTitle);

this.terminalServices.set(id, terminalService);

}

return this.terminalServices.get(id)!;

}

public createTerminalService(resource?: Uri, title?: string): ITerminalService {

const terminalTitle = typeof title === 'string' && title.trim().length > 0 ? title.trim() : 'Python';

return new TerminalService(this.serviceContainer, resource, terminalTitle);

}

private getTerminalId(title: string, resource?: Uri): string {

if (!resource) {

return title;

}

const workspaceFolder = this.serviceContainer.get<IWorkspaceService>(IWorkspaceService).getWorkspaceFolder(resource!);

return workspaceFolder ? `${title}:${workspaceFolder.uri.fsPath}` : title;

}

}