import { TestBed, inject } from '@angular/core/testing';

import { LinkService } from './link.service';
import { HttpClient } from '@angular/common/http';
import { HttpTestingController, HttpClientTestingModule } from '@angular/common/http/testing';
import { HttpServer } from './http-server.service';
import { Server } from '../models/server';
import { Node } from '../cartography/models/node';
import { Port } from '../models/port';
import { getTestServer } from './testing';
import { AppTestingModule } from '../testing/app-testing/app-testing.module';

describe('LinkService', () => {
  let httpClient: HttpClient;
  let httpTestingController: HttpTestingController;
  let httpServer: HttpServer;
  let server: Server;

  beforeEach(() => {
    TestBed.configureTestingModule({
      imports: [HttpClientTestingModule, AppTestingModule],
      providers: [HttpServer, LinkService]
    });

    httpClient = TestBed.get(HttpClient);
    httpTestingController = TestBed.get(HttpTestingController);
    httpServer = TestBed.get(HttpServer);
    server = getTestServer();
  });

  afterEach(() => {
    httpTestingController.verify();
  });

  it('should be created', inject([LinkService], (service: LinkService) => {
    expect(service).toBeTruthy();
  }));

  it('should create link', inject([LinkService], (service: LinkService) => {
    const sourceNode = new Node();
    sourceNode.project_id = 'myproject';
    sourceNode.node_id = 'sourceid';

    const sourcePort = new Port();
    sourcePort.port_number = 1;
    sourcePort.adapter_number = 2;

    const targetNode = new Node();
    targetNode.node_id = 'targetid';

    const targetPort = new Port();
    targetPort.port_number = 3;
    targetPort.adapter_number = 4;

    service.createLink(server, sourceNode, sourcePort, targetNode, targetPort, 0, 0, 10, 10).subscribe();

    const req = httpTestingController.expectOne('http://127.0.0.1:3080/v2/projects/myproject/links');
    expect(req.request.method).toEqual('POST');
    expect(req.request.body).toEqual({
      nodes: [
        {
          node_id: 'sourceid',
          port_number: 1,
          adapter_number: 2,
          label: {
            rotation: 0,
            style: "font-size: 10; font-style: Verdana",
            text: sourcePort.short_name,
            x: 0,
            y: 0
          }
        },
        {
          node_id: 'targetid',
          port_number: 3,
          adapter_number: 4,
          label: {
            rotation: 0,
            style: "font-size: 10; font-style: Verdana",
            text: sourcePort.short_name,
            x: 10,
            y: 10
          }
        }
      ]
    });
  }));
});