import { describe, expect, it } from "vitest";
import { threatMeterRows, type ThreatMeterActor } from "./threatMeter";

const actors: readonly ThreatMeterActor[] = [
  { id: "__player__", name: "Player", role: "healer", alive: true },
  { id: "tank", name: "Tank", role: "tank", alive: true },
  { id: "dps-a", name: "DPS A", role: "damage", alive: true },
  { id: "downed", name: "Downed", role: "damage", alive: false },
];

describe("threat meter rows", () => {
  it("ranks living known actors and normalizes the leader to one hundred percent", () => {
    expect(threatMeterRows(
      { "__player__": 25, tank: 100, "dps-a": 50, downed: 999, stale: 500 },
      actors,
      "dps-a",
      null,
      1_000,
    )).toEqual([
      expect.objectContaining({ actorId: "tank", percentOfLeader: 100, currentTarget: false }),
      expect.objectContaining({ actorId: "dps-a", percentOfLeader: 50, currentTarget: true }),
      expect.objectContaining({ actorId: "__player__", percentOfLeader: 25 }),
    ]);
  });

  it("marks only an active forced target and limits the result", () => {
    const rows = threatMeterRows(
      { "__player__": 25, tank: 100, "dps-a": 50 },
      actors,
      "tank",
      { actorId: "tank", endsAt: 2_000 },
      1_999,
      2,
    );
    expect(rows).toHaveLength(2);
    expect(rows[0]).toMatchObject({ actorId: "tank", forced: true });
    expect(threatMeterRows(
      { tank: 100 },
      actors,
      "tank",
      { actorId: "tank", endsAt: 2_000 },
      2_000,
    )[0].forced).toBe(false);
  });
});