import { describe, expect, it } from "vitest";
import type { DriverData } from "../view-data/LeagueStandingsViewData";
import { DriverViewModel } from "./DriverViewModel";

describe("DriverViewModel", () => {
  it("should create instance with all properties", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: "https://example.com/avatar.jpg",
      iracingId: "iracing-456",
      rating: 1500,
      country: "US",
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.id).toBe("driver-123");
    expect(viewModel.name).toBe("John Doe");
    expect(viewModel.avatarUrl).toBe("https://example.com/avatar.jpg");
    expect(viewModel.iracingId).toBe("iracing-456");
    expect(viewModel.rating).toBe(1500);
    expect(viewModel.country).toBe("US");
  });

  it("should create instance with only required properties", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.id).toBe("driver-123");
    expect(viewModel.name).toBe("John Doe");
    expect(viewModel.avatarUrl).toBeNull();
    expect(viewModel.iracingId).toBeUndefined();
    expect(viewModel.rating).toBeUndefined();
    expect(viewModel.country).toBeUndefined();
  });

  it("should return true for hasIracingId when iracingId exists", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
      iracingId: "iracing-456",
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.hasIracingId).toBe(true);
  });

  it("should return false for hasIracingId when iracingId is undefined", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.hasIracingId).toBe(false);
  });

  it("should return false for hasIracingId when iracingId is empty string", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
      iracingId: "",
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.hasIracingId).toBe(false);
  });

  it("should format rating correctly when rating exists", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
      rating: 1547.89,
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.formattedRating).toBe("1548");
  });

  it("should return \"Unrated\" when rating is undefined", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.formattedRating).toBe("Unrated");
  });

  it("should handle zero rating", () => {
    const viewData: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
      rating: 0,
    };

    const viewModel = new DriverViewModel(viewData);

    expect(viewModel.formattedRating).toBe("Unrated");
  });

  it("should round rating to nearest integer", () => {
    const viewData1: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
      rating: 1500.4,
    };
    const viewData2: DriverData = {
      id: "driver-123",
      name: "John Doe",
      avatarUrl: null,
      rating: 1500.6,
    };

    const viewModel1 = new DriverViewModel(viewData1);
    const viewModel2 = new DriverViewModel(viewData2);

    expect(viewModel1.formattedRating).toBe("1500");
    expect(viewModel2.formattedRating).toBe("1501");
  });
});