import { describe, expect, it } from "vitest";
import type { AbilityEffect } from "./abilityCatalog";
import {
  wow335DeathKnightEpidemicDotEffect,
  wow335DeathKnightEpidemicDurationMs,
} from "./wow335DeathKnightEpidemicRuntime";

const frostFever: AbilityEffect = {
  kind: "dot",
  coefficient: 0.22,
  ticks: 5,
  intervalMs: 3_000,
  tag: "frost-fever",
};

describe("WoW Death Knight Epidemic", () => {
  it("uses the generated 3- and 6-second disease duration ranks", () => {
    expect([0, 1, 2].map(wow335DeathKnightEpidemicDurationMs)).toEqual([0, 3_000, 6_000]);
  });

  it("adds one periodic tick per three seconds to both Death Knight diseases", () => {
    expect(wow335DeathKnightEpidemicDotEffect(frostFever, 1)).toMatchObject({ ticks: 6 });
    expect(wow335DeathKnightEpidemicDotEffect({ ...frostFever, tag: "blood-plague" }, 2))
      .toMatchObject({ ticks: 7 });
  });

  it("leaves unrelated periodic effects and zero-rank diseases unchanged", () => {
    const unrelated = { ...frostFever, tag: "other-disease" } as AbilityEffect;
    expect(wow335DeathKnightEpidemicDotEffect(frostFever, 0)).toBe(frostFever);
    expect(wow335DeathKnightEpidemicDotEffect(unrelated, 2)).toBe(unrelated);
  });
});