import { expect } from "chai";
import { FakeRequestBuilder } from "../fakeRequestBuilder";
import ExternalBlacklistStep from "../../../src/steps/externalBlacklist/externalBlacklist.step";
import { StepBuilder } from "../../../src/steps/stepBuilder";
import { ExternalBlacklistService } from "../../../src/services/ExternalBlacklist.service";
import { Step } from "../../../src/steps/step";
import { Campaign } from "../../../src/models";
import { FakeCampaign } from "../fake/Campaign";

describe("ExternalBlacklistStep", function () {
  let externalBlacklistStep: Step;
  let externalBlacklistService: ExternalBlacklistService;

  beforeEach(() => {
    externalBlacklistService = new ExternalBlacklistService(null as any, null as any, 0, "", "");

    externalBlacklistStep = new StepBuilder(
      new ExternalBlacklistStep(externalBlacklistService)
    ).build();
  });

  it("should pass all non-blacklisted campaigns", async function () {
    const campaigns: Campaign[] = [
      new FakeCampaign("1"),
      new FakeCampaign("2"),
      new FakeCampaign("3"),
    ];

    const request = new FakeRequestBuilder().withCampaigns(...campaigns).build();

    const result = await externalBlacklistStep.execute(request);

    expect(result.passedCampaigns.length).to.equal(3);
    expect(result.passedCampaigns.find((c) => c.id === "1")).not.to.be.undefined;
    expect(result.passedCampaigns.find((c) => c.id === "2")).not.to.be.undefined;
    expect(result.passedCampaigns.find((c) => c.id === "3")).not.to.be.undefined;
  });

  it("should filter out blacklisted campaigns", async function () {
    const campaigns: Campaign[] = [
      new FakeCampaign("1"),
      new FakeCampaign("2"),
      new FakeCampaign("3"),
    ];

    externalBlacklistService.blacklist = new Set(["1", "3"]);

    const request = new FakeRequestBuilder().withCampaigns(...campaigns).build();

    const result = await externalBlacklistStep.execute(request);

    expect(result.passedCampaigns.length).to.equal(1);
    expect(result.passedCampaigns.find((c) => c.id === "2")).not.to.be.undefined;
  });
});