import { describe, expect, it } from "vitest";
import { mitesPerDay, varroaLight } from "./rate";

describe("varroa rate", () => {
  it("computes mites per day like the backend", () => {
    expect(mitesPerDay(30, 4320)).toBe(10);
    expect(mitesPerDay(30, null)).toBeNull();
    expect(mitesPerDay(30, 0)).toBeNull();
    expect(mitesPerDay(null, 4320)).toBeNull();
  });

  it("derives the traffic light from the threshold", () => {
    expect(varroaLight(10, 10)).toBe("red");
    expect(varroaLight(5, 10)).toBe("yellow");
    expect(varroaLight(4.9, 10)).toBe("green");
    expect(varroaLight(10, null)).toBeNull();
    expect(varroaLight(null, 10)).toBeNull();
  });
});