import { describe, expect, it } from "vitest";
import { MODE_COPY, selectRandomBoss, selectRandomBossPair } from "./data";

describe("game mode configuration", () => {
  it("separates randomized PVE from selectable Dungeons", () => {
    expect(MODE_COPY["roguelike-pve"].title).toBe("PVE");
    expect(MODE_COPY.dungeons.title).toBe("Dungeons");
  });

  it("selects a boss across the full encounter pool", () => {
    expect(selectRandomBoss(() => 0)).toBe("bulldrome");
    expect(selectRandomBoss(() => 0.34)).toBe("vexa");
    expect(selectRandomBoss(() => 0.99)).toBe("cindermaw");
  });

  it("selects two distinct bosses for PVE", () => {
    const values = [0, 0];
    const pair = selectRandomBossPair(() => values.shift() ?? 0);
    expect(pair).toEqual(["bulldrome", "vexa"]);
    expect(new Set(pair)).toHaveLength(2);
  });
});