import { describe, expect, it } from "vitest";
import { createDurationData } from "../../../src/common/datetime/create_duration_data";

describe("createDurationData", () => {
  it("should return undefined for undefined input", () => {
    expect(createDurationData(undefined)).toBeUndefined();
  });

  it("should parse string duration correctly", () => {
    expect(createDurationData("1:30:15.001")).toEqual({
      hours: 1,
      minutes: 30,
      seconds: 15,
      milliseconds: 1,
    });

    expect(createDurationData("20")).toEqual({
      seconds: 20,
    });

    expect(createDurationData("3:00")).toEqual({
      hours: 3,
      minutes: 0,
      seconds: 0,
      milliseconds: 0,
    });
  });

  it("should negate the whole period for a negative string duration", () => {
    expect(createDurationData("-1:30:15.001")).toEqual({
      hours: -1,
      minutes: -30,
      seconds: -15,
      milliseconds: -1,
    });

    expect(createDurationData("-20")).toEqual({
      seconds: -20,
    });
  });

  it("should return undefined for invalid string duration", () => {
    expect(createDurationData("1:30:15:20")).toBeUndefined();
  });

  it("should parse number duration correctly", () => {
    expect(createDurationData(3600)).toEqual({ seconds: 3600 });
  });

  it("should parse decimal seconds correctly", () => {
    expect(createDurationData(0.5)).toEqual({ seconds: 0.5 });
    expect(createDurationData(0.2)).toEqual({ seconds: 0.2 });
    expect(createDurationData(1.25)).toEqual({ seconds: 1.25 });
  });

  it("should return object duration unchanged", () => {
    const duration = { hours: 1, minutes: 30 };
    expect(createDurationData(duration)).toEqual(duration);
  });

  it("should keep days in object duration", () => {
    const duration = { days: 1, hours: 1 };
    expect(createDurationData(duration)).toEqual(duration);
  });
});