import { describe, expect, it } from "vitest";
import { romPriestScoutSaintsBlessingDamageMultiplier } from "./romPriestScoutSaintsBlessingDamage";

const base = {
  primaryClassId: "rom-priest",
  secondaryClassId: "rom-scout",
  learnedPassiveSpellIds: [493_039],
};

describe("CoA Priest/Scout Saint's Blessing execute damage rider", () => {
  it("grants +28% damage below, but not at, the 30% target-health threshold", () => {
    expect(romPriestScoutSaintsBlessingDamageMultiplier({ ...base, targetHealthPercent: 0.299 }))
      .toBeCloseTo(1.28);
    expect(romPriestScoutSaintsBlessingDamageMultiplier({ ...base, targetHealthPercent: 0.3 }))
      .toBe(1);
  });

  it("requires the exact Priest-primary/Scout-secondary pair and learned passive", () => {
    expect(romPriestScoutSaintsBlessingDamageMultiplier({
      ...base,
      primaryClassId: "rom-scout",
      secondaryClassId: "rom-priest",
      targetHealthPercent: 0.1,
    })).toBe(1);
    expect(romPriestScoutSaintsBlessingDamageMultiplier({
      ...base,
      learnedPassiveSpellIds: [],
      targetHealthPercent: 0.1,
    })).toBe(1);
  });

  it("does not apply to dead, invalid, or full-health targets", () => {
    for (const targetHealthPercent of [0, 0.3, 1, Number.NaN, Number.POSITIVE_INFINITY]) {
      expect(romPriestScoutSaintsBlessingDamageMultiplier({ ...base, targetHealthPercent })).toBe(1);
    }
  });
});